Francisco Mesquita

• PhD in Agronomy
• Researcher at National Institute of Semi-Árid - INSA.

Silicon has emerged as a beneficial element in mitigating water deficit in various crops, although the underlying mechanisms still require further investigation. This study evaluated the foliar content of nutrients (N, P, K, and Ca) and proline, antioxidant activity, growth, water use efficiency, and yield of cowpea cultivars subjected to two irrig...

O reuso de águas residuárias na agricultura é uma prática crescente, sendo a qualidade da água um dos principais desafios para o desenvolvimento das plantas. Este estudo avaliou os efeitos de diferentes lâminas de irrigação com águas residuárias na formação de mudas de Mimosa verrucosa (jurema branca) e Caesalpinia pyramidalis (catingueira). O expe...

In semiarid regions, water availability is a limiting factor for agriculture, demanding the adoption of efficient strategies to make the most of this resource. The use of treated wastewater from domestic sewage represents a viable alternative, as long as appropriate precautions are taken. The objective of this research was to evaluate the effect of...

Silicon has emerged as a beneficial element in mitigating water deficit in various crops, although the underlying mechanisms still require further investigation. This study evaluated the foliar content of nutrients (N, P, K, and Ca) and proline, antioxidant activity, growth, water use efficiency, and yield of cowpea cultivars subjected to two irrig...

A contaminação do solo por metais pesados é uma preocupação global, existindo milhões de locais em todo o mundo que possuem solos contaminados. Este aspecto rementem a necessidade de regulamentação das investigações de qualidade do solo. O objetivo deste estudo foi determinar o valor natural de metais pesados nos horizontes de perfis de solo de ref...

The objective of this study was to investigate the role of native caatinga plants in the ecological restoration of degraded ecosystems through bibliographic studies or literature reviews. For the methodological process, was carried out an in-depth critical analysis of articles published in national and international journals, dissertations and thes...

Os solos nas regiões semiáridas geralmente apresentam baixos níveis de matéria orgânica, devido a factores pedogenéticos do solo, e é notável que a aplicação de fertilizantes orgânicos ao solo aumenta a sua fertilidade e o rendimento das culturas. Assim, o objetivo desta pesquisa foi avaliar os efeitos da adubação orgânica do solo nos atributos quí...

Wastewater is an alternative water source with the potential to guarantee agricultural productivity in semi-arid regions, where quantitative and qualitative scarcity is a limiting factor. This study aimed to analyze the effects of the application of dairy effluent dilutions on the alterations of sodium, calcium, magnesium, and nitrogen contents alo...

Water reuse is necessary for industrial, commercial and domestic activities, being a reality in several countries, but not yet widespread in Brazil, an efficient instrument for managing water resources and minimizing water scarcity in the semi-arid region. The aim is to monitor a compact gray water treatment and agricultural use station, consisting...

The state of Paraíba, specifically in the alto sertão of Paraíba, is characterized by the spatial and temporal variability of rainfall, of temperature and evapotranspiration, coming from the semi-arid climate that is inserted in the region, and yet, the performance of different meteorological systems. The objective was to quantify the rainfall, tem...

O uso de silício associado com matéria orgânica é uma alternativa na fruticultura que está associada aos efeitos no crescimento, nas características físico-químicos dos frutos e na produção, visando atender padrões de qualidade exigidos para o consumo in natura ou para o processamento. Esse estudo visa avaliar a influenciam do silício associado a a...

Water availability is a limiting factor for the cultivation of sour passion fruit. Soil management techniques and the use of water-retaining polymers can increase soil water retention, reducing the frequency of irrigation in the crop. In this context, the objective of the research was to evaluate the gas exchange, the chlorophyll index, and the yie...

Artigo recebido em 09/10/2023 e aceito em 25/12/2023 R E S U M O O uso de silício associado com matéria orgânica é uma alternativa na fruticultura que está associada aos efeitos no crescimento, na produção e nas características físico-químicos dos frutos, visando atender padrões de qualidade exigidos para o consumo in natura ou para o processamento...

Studies on soils and their interrelationships with land use in the context of the semi-arid region of Brazil are still scarce, even though they have the potential to assist in understanding the use and management of soil and agricultural crops. From this perspective, this study investigated four land uses in different locations of the Apodi Plateau...

In semiarid regions of Brazil, water and/or soil salinity is one of the limiting factors for sour passion fruit production. Low rainfall rates combined with edaphic conditions (high concentrations of soluble salts) intensify deleterious effects on plants. Thus, strategies that minimize the effects of salt stress, e.g., grafting with tolerant specie...

RESUMEN: El objetivo fue evaluar los efectos de la salinidad del agua de riego en la formación de plántulas de maracuyá amarillas utilizando biofertilizantes bovinos comunes y enriquecidos, respectivamente. En este sentido, se realizó un experimento en un invernadero, en la ubicación del Centro de Ciencias Agrícolas y de Biodiversidad CCAB / UFCA,...

The use of treated effluents (UTE) for irrigation has grown considerably in recent years, especially in arid and semi-arid regions. The objective of this research was to evaluate the effect of soil fertility under cultivation with forage cactus intercropped with different legumes. The experiment was conducted over a period of two years in a researc...

Type 2 diabetes is a lifelong disease that causes a substantial increase of sugar (glucose) in the blood. Nowadays, diabetes type 2 is a major public worldwide health challenge. Therefore, it is necessary to automate the process of predicting diseases. The dataset used was the “PIMA Indians Diabetes Data Set”. This dataset is imbalanced. Consequent...

Irregular rainfall in the semiarid region of Brazil and in the world exerts a limiting action on agricultural production, in general, including fruit species. Under these conditions, irrigation is the input that keeps the production system both economically and socially viable. This study was carried out from 2012 to 2014, in the municipality of Re...

Resumo - Objetivou-se com este trabalho avaliar os impactos ambientais negativos na saúde da população, oriundos da poluição sonora das unidades de saúde do município de Catolé do Rocha-PB. O presente trabalho foi realizado em todas as unidades de saúde públicas e algumas particulares, no município de Catolé do Rocha – PB, sendo eles - Hospital Reg...

Water scarcity and water quality is a subject of constant debate around the world, with the accumulation of salts in water and on soils causing a negative impact on food production, man and herds, especially in the arid and semi-arid regions. The use of bovine manure biofertilizers that potentiate the use of brackish water, normally restricted in a...

Earth dams are structures built for countless purposes, however, the most common is the accumulation of water for agriculture and human supply. The large volume of water stored, forming a large reservoir, generates indisputable benefits for the population, as well as risks, if it is not well built, which can harm the lives of people, goods and the...

The species C. madagascariensis occurs in humid and arid areas, thus, the species has been standing out as an invasive plant. An experiment was developed in greenhouse with the objective of evaluating the leaf contents (nutritional status) of plants of these invasive plants subjected to different levels of salinity and humidity. The treatments were...

This research was proposed to evaluate the results under different spacing and densities arrangements on growth, development and productivity of peanut plants, cultivate BR-1, in an agricultural area on the banks of the Piranhas River, located in the municipality of Pombal-PB. Therefore, the study was developed in the experimental field, of the Agr...

An experiment was carried out in a greenhouse, from march to april/2018, in Crato-CE to evaluate the effects of biofertilizers (common and chemically rich) in substrate irrigated with different saline compositions on phytomass production of yellow pepper seedlings, success variety (952). The experiment was developed using a material or substrate fr...

The water reuse in agriculture offers several social, economic and mainly environmental benefits. The fertigation process helps to minimize problems related to waste and environmental degradation when linked to the use of drip irrigation systems. However, it is a system that offers a high risk of obstruction due to the formation of colonies generat...

The landfill percolate (LP) has appreciable amounts of nutrients that can be used in the production of biomass for energy purposes and serves as parameters to study the performance of irrigation systems. The objective of this work is to analyze the drip performance indicators applying diluted landfill percolate, well as the main obstruction factors...

p> Resumo : Este trabalho foi conduzido em casa de vegetação com vistas a avaliar os efeitos da salinidade nas características químicas de dois tipos de solo, bem como sobre a emergência e desenvolvimento inicial de plantas de Cryptostegia madagascariensis . Primeiramente, o material de um Neossolo Flúvico e de um Vertissolo foi irrigado com água s...

O algodoeiro é atacado por pragas sugadoras que têm sido controladas com inseticidas químicos, causando problemas à saúde do aplicador e poluição do meio ambiente, mas o uso de produtos botânicos como o nim vem sendo estudado nos últimos anos. O efeito do intervalo de aplicação do inseticida Azamax® foi avaliado sobre pragas sugadoras e seus inimig...

The genus Eugenia presents one of the most important in Myrtaceae family, expressing a potential nutritional high and in drugs obtaining. The plants are resist and resist disease, their hardwood has been used to produce posts, stakes, poles, firewood and charcoal. The objective of this present work was to conduct a survey of the population structur...

O algodoeiro é atacado por pragas sugadoras que têm sido controladas com inseticidas químicos, causando problemas à saúde do aplicador e poluição do meio ambiente, mas o uso de produtos botânicos como o nim vem sendo estudado nos últimos anos. O efeito do intervalo de aplicação do inseticida Azamax® foi avaliado sobre pragas sugadoras e seus inimig...

1 RESUMO O objetivo do presente trabalho foi avaliar o biofertilizante bovino como atenuador na formação de mudas de jaqueira irrigadas com água salina em ambiente protegido, no Centro de Ciências Agrárias, Universidade Federal da Paraíba, Areia, Paraíba, Brasil. O delineamento experimental foi inteiramente casualizado, com cinco repetições, em esq...

The yellow passion fruit is a plant climbing botanically that has a good geographical distribution in Brazil, with more than 150 species in the country. The presence of salts in soil and irrigation water is one of the main obstacles in agriculture in the world, caused by low rainfall and high evapotranspirative rates causing the salts to accumulate...

The growing need to increase food production constitutes a serious scientific-technological challenge, requiring the expansion of cultivated sites also with the utilization of degraded areas, such as soils affected by salts. In order to achieve that, alternatives to mitigate such limitations have been pursued, such as the use of biofertilizers in t...

The present work aims to diagnose the perception of the farmers of the community of Community Riacho da Serra, in São José do Sabugi-PB, regarding the degree of education, education, salary range and employment and income generation with the culture of Umbu. Initially visits were made in the community with the intention of exposing the idea and per...

Zucchini (Cucurbita pepo L.) is a horticultural crop of great socioeconomic importance in Brazil and in the world. However, inappropriate fertilization management, such as over-fertilization of soils, may become a limiting factor for its development. Thus, the aim of this study was to evaluate the morpho-physiological behavior of zucchini submitted...

Aiming to verify the insecticidal potential of 16 native plants from the Araripe National Forest (ANFO) on L3 Aedes aegypti larvae in laboratory conditions, were researches performed in controlled conditions of temperature, air relative humidity and photophase, in a type B.O.D. climatized chamber, executed in period from August/2016 to May/2017. Th...

O reúso da água é uma importante ação da gestão integrada dos recursos hídricos que possibilita a convivência com a escassez hídrica no semiárido brasileiro. O sistema de irrigação por gotejamento é o mais adequado para aplicação de esgoto sanitário tratado, entretanto o entupimento de emissores consiste no principal obstáculo à adoção desta tecnol...

An experiment was performed, during the period from January to July, 2016, in a screened environment of the Department of Soils and Rural Engineering of the Agrarian Sciences Center, Federal University of Paraiba (UFPB), Areia, Paraiba, Brazil, with the purpose of evaluating the effects of supplementary irrigation with saline waters over the relati...

The objective of this study was to evaluate the effects of the biofertilizers (common and enriched) in substrate irrigated with saline waters on the quality of the seedlings evaluated by the phytomass from yellow Passiflora edullis. In this sense, an experiment was carried in a greenhouse at the Center of Agricultural Sciences and Biodiversity CCAB...

The salinity is considered one of the main obstacles to agriculture worldwide, constituting one of the limiting factors to the growth and development of the plants. The objective of this study was to evaluate the effects of salinity of irrigation water in the formation of seedlings two varieties of jackfruits, and with the application of common bov...

The growing need to increase food production constitutes a serious scientific-technological challenge, requiring the expansion of cultivated sites also with the utilization of degraded areas, such as soils affected by salts. In order to achieve that, alternatives to mitigate such limitations have been pursued, such as the use of biofertilizers in t...

Objetivou-se avaliar a qualidade do solo, em áreas da Caatinga submetidas a diferentes sistemas de manejo, tendo como parâmetros os atributos físicos do solo. As formas de manejo adotadas foram: (1) área de manejo sustentável da Caatinga; (2) área de Caatinga com manejo convencional; e (3) área de Caatinga considerada mata nativa. Decorridos 5 anos...

We studied the behavior for neem seedlings subjected to irrigation water salinity and bovine biofertilizer and soil drainage. An experiment was carried during the period of January to June/2016 in greenhouse with plants grown in pots. The experimental design was a randomized block with factorial scheme 5×2×2 and four repetitions. The factors consis...

p style="text-align: justify;">A introdução, acidental ou deliberada, de espécies exóticas por diferentes vetores é atualmente uma das principais mudanças globais, resultando em uma série de problemas. Embora nem todas as introduções de espécies não nativas possuam efeitos negativos, muitos desses táxons podem desencadear efeitos indesejáveis sobre...

Soil salinity and sodicity are global problems since both promote the physical, chemical and biological degradation of soil, jeopardising the productive capacity of agricultural fields. Inorganic correctives or organic inputs are applied as an attempt to reduce the problem, alongside the use of salt-tolerant plants. This study aimed at evaluating t...

Soil compaction is one of the main constraints imposed to growth of sugar cane root system, with consequences as reduction on plant ability to absorb water and nutrients. In this context, this study had as objective to identify regions in the field with different compaction levels, allowing the adoption of site specific management. The work was car...

Landfill leachates have considerable amounts of organic matter and mineral nutrients and, when applied in environmentally adequate amounts, show fertilizing potential for the soil-plant system. This study aimed to analyze the effect of landfill leachate (LFL) and the public-supply water (PSW) depths on the contents of trace elements in an Ultisol....

Water used for irrigation in semiarid regions of the world is not always of good quality, and may contain salts levels that inhibit plants growth. This study was conducted to evaluate the growth of papaya (Carica papaya L.) ‘Golden’ seedlings irrigated with saline water in soil with and without bovine biofertilizer produced by anaerobic fermentatio...

The objective of this work was to develop empirical models for hydraulic performance of drippers operating with cashew nut processing wastewater depending on operating time, operating pressure and effluent quality. The experiment consisted of two factors, types of drippers (D1=1.65 L h-1, D2=2.00 L h-1 and D3=4.00 L h-1), and operating pressures (7...

The use of water with a high salt content is seen as an alternative in global agricultural production; but there is a need for technologies that reduce the impact on soil and crop yields, such as employing leaching of salts from the soil or the use of salt-tolerant species. With this in mind, the aim of this work was to evaluate the growth of the n...

Drip irrigation systems stand out for the use of wastewater, by minimizing water losses and risks to the environment and public health, however, the clogging of emitters is a potential problem in this technology. The objective of this study was to evaluate the flow coefficient of variation (FCV) and the coefficient of statistical uniformity (CSU) o...

The landfill leachate has appreciable amounts of nutrients that can be used to produce biomass for energy purposes. The objective of this work is to analyze the drip performance indicators applying diluted leachate landfill well as the main obstruction factors and the leachate quality. The experiment was set up on split-plot scheme with kind drippe...

O pepino é uma importante hortaliça amplamente cultivada por pequenos e médios produtores no semiárido do Brasil. O experimento foi desenvolvido com o objetivo de avaliar os efeitos de diferentes soluções nutritivas do pepino cultivados em substrato de fibra de coco sob o crescimento e composição mineral de folhas. O delineamento experimental foi o...

Cucumber is an important horticultural crop widely cultivated for small and medium growers in semiarid regions of the Brazil. In order to evaluate the nutrient solution effect on development and mineral composition of cucumber grown in coconut fiber substrate, an experimental was carried out using completely randomized design with four replications...

The experiment was conducted from January to June 2010, in a greenhouse at DSER/CCA/UFPB, Areia, PB to evaluate the effect of irrigation water salinity and bovine biofertilizer on NIM seedling formation in soil with drainage systems. A completely randomized and factorial (5x2x2) design was used with four replicates concerning 5 levels of saline irr...

The experiment was conducted from January to June 2010, in a greenhouse at DSER/CCA/UFPB, Areia, PB to evaluate the effect of irrigation water salinity and bovine biofertilizer on nim seedling formation in soil with drainage systems. A completely randomized and factorial (5x2x2) design was used with four replicates concerning 5 levels of saline irr...

Organic compounds have shown to exercise a mitigating action on salts in plants and they promote growth and development in salt stress environments. In this sense, an experiment was carried out in order to evaluate the effects of saline water irrigation and bovine biofertilizer on yield and biomass allocation by the various organs of noni plants. T...

In decade of 50's and 60's, the sugar sector began a major advance economically. The utilization of vinasse through of the fertirrigation it’s a one of the most important practices in sugarcane farming systems, because process it’s of rational use of the fertigation in soils fertile, thus giving a correct destination of this product. From this corr...

The use of landfill leachate (PAS) in the production of biomass for energy is an alternative that minimizes environmental degradation. This study aimed to analyze the effect of different doses of PAS in elephant grass production (Pennisetum purpureum Schum.). For this, the experiment was set up in a randomized block design with five treatments (T1...

The plants mineral nutrition is essential to increase the productivity and improve the fruit quality, including yellow passion fruit. In this direction an experiment was conducted in Remigio county, Paraíba State, Brazil, in order to evaluate effects of sources and doses of calcium applied route foliar on production components and mineral compositi...

A compactação do solo influencia todas as fases de desenvolvimento das culturas, porém, em muitas áreas com baixa produção de cana-de-açúcar são ignorados valores críticos e efeitos da compactação do solo, razão por que é importante conhecer a localização e a intensidade da compactação do solo, para descompactá-lo. Neste sentido o trabalho visou ap...

O uso do percolado de aterro sanitário (PAS) na produção de biomassa para fins energéticos é uma alternativa que minimiza a degradação ambiental. O presente trabalho objetivou analisar o efeito de distintas doses de PAS na produção de capim elefante (Pennisetum purpureum Schum.). Para isso, montou-se o experimento no delineamento em blocos casualiz...

RESUMO: Diversos fatores podem influenciar a formação de mudas. Entre as causas de insucesso, encontram-se a dificuldade de manutenção de drenagem e qualidade da água de irrigação. O objetivo do trabalho foi avaliar os efeitos do biofertilizante bovino e salinidade da água de irrigação na formação de mudas de nim. O delineamento experimental foi em...

Diversos fatores podem influenciar a formacao de mudas. Entre as causas de insucesso, encontram-se a dificuldade de manutencao de drenagem e qualidade da agua de irrigacao. O objetivo do trabalho foi avaliar os efeitos do biofertilizante bovino e salinidade da agua de irrigacao na formacao de mudas de nim. O delineamento experimental foi em blocos...

RESUMO: Têm sido evidenciado que os compostos orgânicos exercem ação mitigadora dos efeitos tóxicos dos sais às plantas, promovendo maior crescimento e desenvolvimento em solos com excesso de sais. Nessa direção, um experimento foi desenvolvido para avaliar os efeitos do biofertilizante bovino na produção de frutos e alocação de biomassa pelos dive...

Organic compounds have shown to exercise a mitigating action on salts in plants and they promote growth and development in salt stress environments. In this sense, an experiment was carried out in order to evaluate the effects of saline water irrigation and bovine biofertilizer on yield and biomass allocation by the various organs of noni plants. T...

The salinity is a problem that affects many crops, especially in semiarid regions. The study aimed to evaluate the effect of salinity of irrigation water and the application of biofertilizers enriched chemically on the relative growth of papaya seedlings cv Golden. The experiment was conducted in Agrarian Sciences Center of Federal University of Pa...

This study aimed to analyze the effects of irrigation time with swine wastewater (ARS) and water supply (AA) on alteration of hydraulic performance indicators in irrigation systems with three models drippers (G1 - non pressure compensating for 2.0 L h-1, G2 – non pressure compensating for 1.7 h L-1and G3 - pressure compensating for 3.6 h L-1). The...

Este trabalho objetivou analisar a remoção de nitrogênio e fósforo em biofiltros preenchidos com lixo compostado, bagaço de cana-de-açúcar e serragem de madeira, submetidos às taxas de aplicação de 0,5, 1,0 e 1,5 m3m-2d-1 em Viçosa-MG. Para tal, foi montada uma banca experimental constituída de 27 biofiltros em área experimental da Universidade Fed...

PRECIPITACOES MAXIMAS PARA O MUNICIPIO DE MOSSORO DE 1964 A 2011 PELA DISTRIBUICAO DE GUMBEL WESLEY DE OLIVEIRA SANTOS 1 ; FRANCICO DE OLIVEIRA MESQUITA 1 ; BEN DEIVIDE DE OLIVEIRA BATISTA 2 ; RAFAEL OLIVEIRA BATISTA 3 E ANAILSON DE SOUSA ALVES 1 1 Doutorando em Manejo de Solo e Agua, Universidade Federal Rural do Semi-Arido, UFERSA/RN, wesley_ufer...

A fruticultura ocupa lugar de destaque na agricultura mundial, especialmente pelo alto valor que atingem os produtos oriundos da atividade, que vem ganhando destaque pelo reconhecimento do valor alimentício das frutas, principalmente entre a comunidade científica e a imprensa mundial. Agronegócio ou agribusiness, significa o conjunto das empresas p...

Objetivou-se, com este trabalho, analisar o efeito da aplicação de percolado de aterro sanitário diluído em água de abastecimento (três parte de água de abastecimento para uma parte de percolado de aterro sanitário) na vazão de gotejadores. O experimento foi conduzido sob delineamento inteiramente casualizado no esquema de parcelas subdivididas, te...

For planning both urban and rural hydraulic systems, knowing the expected precipitation is essential, so that the planned structure be able to resist properly. Time series of maximum daily precipitation values of a 48-year time series (1964 to 2011) from records of the Jerônimo Rosado meteorological station of UFERSA in Mossoró/RN were evaluated, a...

Salt excess in soil and water used for irrigation can cause significant loss of production and growth in cultivated plants. Among some options for reduction of negative effects of salts to plants in cultivated areas, fermented bio fertilizer has been used to grow vegetables and fruit tree irrigated with saline water. The study aimed at evaluating t...

An experiment was carried out during the period of January to July/2010, in municipality of Areia, Paraiba State, Brazil, in order to evaluate effects of the irrigation with saline water, bovine biofertilizer and drainage of the soil on water consumption and growth of neem seedlings. The experimental design was in randomized blocks using factorial...

A dendeicultura é uma atividade que representa grande potencial para a produção de biocombustíveis. Uma das diretrizes que pautou a produção de biocombustíveis, porém, foi o movimento mundial de redução do impacto ambiental causado pelos combustíveis fósseis. Assim, para que os biocombustíveis apresentem vantagens ambientais é necessário que, além...

An experiment was carried out in the greenhouse of the Soil and Rural Engineering Department of CCA - UFPB, located in Areia county, State of Paraiba in Brazil, during the period of October to February, 2010, in order to evaluate the effects two types of bovine biofertilizers in the growth of tomatoes cherry plants under saline water irrigation. Th...

Salt excess in soil and water used for irrigation can cause significant loss of production and growth in cultivated plants. Among some options for reduction of negative effects of salts to plants in cultivated areas, fermented bio fertilizer has been used to grow vegetables and fruit tree irrigated with saline water. The study aimed at evaluating t...

The experiment was carried out in the Remígio County, Paraiba State, Brazil, in order to evaluate the effects of bovine biofertilizer applied to soil in liquid form in the absence and presence of potassium chloride (KCl), on the leaves contents of macronutrients and micronutrients of the yellow passion fruit plants. The treatments were arranged in...