Rafael Battisti

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Verified

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• BSc. in Agronomy and MS and PhD in Agricultural Systems Engineering
• Professor at Federal University of Goiás

Crop simulation models can help scientists, government agencies and growers to evaluate the best strategies to manage their crops in the field, according to the climate conditions. Currently, there are many crop models available to simulate soybean growth, development, and yield, with different levels of complexity and performance. Based on that, t...

Water deficit is a major factor responsible for soybean yield gap in Southern Brazil and tends to increase under climate change. An alternative to reduce such gap is to identify soybean cultivars with traits associated to drought tolerance. Thus, the aim of this study was to assess soybean adaptive traits to water deficit that can improve yield und...

Brazil is one of the most important soybean producers in the world. Soybean is a very important crop for the country as it is used for several purposes, from food to biodiesel production. The levels of soybean yield in the different growing regions of the country vary substantially, which results in yield gaps of considerable magnitude. The present...

Soybean-maize cropping system is highly dependent on climate condition, especially water deficit, across Brazil, affecting yield, food production and farmers profit. Based on that, the aim of this study was to evaluate the food production and economic viability for soybean and maize for single and soybean-maize off-season production system consider...

An accurate estimation of crop yield under climate change scenarios is essential to quantify our ability to feed a growing population and develop agronomic adaptations to meet future food demand. A coordinated evaluation of yield simulations from process-based eco-physiological models for climate change impact assessment is still missing for soybea...

This study evaluated the performance of the SAFER and METRIC algorithms to estimate the actual evapotranspiration (ETa) of irrigated tomato crops for industrial processing in the south-central region of Goiás, Brazil. The research was conducted in eight tomato-producing areas using center-pivot irrigation during the 2018 and 2019 harvests. Landsat...

Climate change is reshaping the global climate patterns with varying effects, necessitating a thorough analysis of historical precipitation trends. This study aimed to assess precipitation trends over 60 years in Goiás State and the Federal District of Brazil using data from 21 precipitation gauges maintained by the National Water and Basic Sanitat...

Na 6° edição do Boletim Agronômico apresentamos: 1 - Produção de sementes de soja na safrinha; 2 - Yield gap: convergência de informações para a máxima eficiência na agricultura; 3 - Boas práticas para manejar a brusone no arroz irrigado.

Full plant growth and development require, among others, air temperatures and water availability at levels appropriate to each crop. The effect of temperature on plant development can be represented by the thermal sum, which requires the lower basal temperature for each plant species. However, plant responses may be different when associated with d...

The tomato crop is almost totally irrigated. Among the irrigation methods utilized, mechanized sprinkling by center pivot stands out in tomato cultivation. A cultural treatment used in the tomato is the synchronization of the irrigations with the applications of the pesticides since with the leaf wetting the plants become unprotected and susceptibl...

There is an uncertainty in accurate simulations of soybean models in response to high atmospheric CO2 [CO2]. There is, therefore, an opportunity to reduce model uncertainty by evaluating models using experimental data conducted under elevated [CO2]. We coordinated an initiative to evaluate, quantify, and improve multi-model simulations of soybean (...

Evapotranspiration (ET) estimation by remote sensing is an innovative and promising option, due to its low cost and operation. It is an important tool for estimating ET and can be used to support decision-making. The origin and quality of images are fundamental for quality of information, as low spatial and temporal resolution of satellites directl...

The increasing demand for water resources has resulted in environmental degradation and conficting interests among diverse users. This research aimed to scrutinize the causes and repercussions of land use exploitation and degradation within the Samambaia River Basin (SRB), focusing on potential environmental impacts linked to the management of irri...

Variations in rainfall patterns in the Northeast region of Brazil (NEB) are high and multiscalar, increasing susceptibility to extreme drought and/or flood events. The objective of this study was to characterize rainfall patterns and monthly dry-wet periods using the Standardized Precipitation Index (SPI) from 1990 to 2019 in the South Coast of NEB...

This study investigates the meteorological variables exerting the most significant influence on the growth and productivity of four tomato hybrids cultivated for industrial processing in the Brazilian Savannah of Goiás State. Data on morphological and meteorological variables were collected in five locations (Hidrolândia, Itaberaí, Palmeiras de Goi...

The sustainability of irrigated agricultural systems depends on the water use efficiency based on management. The efficiency is reach first by an adequate estimation of crop water demand. However, the lack of weather data is a limitation to plan and estimation irrigation demand in Brazil. This way, the aim of this study was to investigate NASAPOWER...

Tomato crop for industrial processing is very sensitive to weather variations. Therefore, the objective of this research was to quantify the duration (days and thermal sum) of each developmental stage of different hybrids in two different planting date. For this, 12 commercial hybrids were evaluated: H-1301, BS-P0033, CVR-8161, HM-7885, CVR-6116, H...

Fruit growing, especially in family farming, has a significant income potential in small areas, but climate change is a major challenge. This study aimed to quantify the irrigation requirements for citrus, papaya, mango and passion fruit, in the Vão do Paranã region, Goiás state, Brazil. The climate data encompassed the observed periods from 1961 t...

• First soybean multi-model evaluation for simulation of in-season growth dynamics. • Evidence of high variability in simulated leaf area, reproductive growth, and partitioning. • Opportunities to improve model processes to resemble soybean reproductive growth. • Description of processes that can benefit from further model improvement. • Recomm...

This study aimed to characterize the development of Pinus caribaea var. hondurensis and Pinus taeda grown under two fertilization regimes (fertilized and control treatments) at field-grown condition. The growth, climate-growth relation, and intrinsic water use efficiency (WUEi) of the trees were assessed by a combined analysis of cross-sectional ar...

Understanding sugarcane water demand is important for planting planning, yield estimation, irrigation management, forecasting and water resources management. The purpose of this study was to estimate the evapotranspiration of the variety RB985476 in 2nd. re-grow, from August/2017 to September/2018, in a mechanized harvest area and with straw distri...

Sugarcane is an important crop in Brazilian agribusiness due to its diversified use. Crop forecast models are important tools for planning and making decisions regarding crop management. These models can be simple or complex, and choosing them will depend on the knowledge level of those using them. Thus, this study aimed to compare different method...

Sugarcane is grown in all Brazilian states; however, water stress is the main limiting factor of crop productivity in most farming environments (FEN). Thus, the objective was to verify the water availability factor in the soil (factor f) between FEN and sugarcane varieties. The assay was conducted in the Central and Southern Regions of Goiano, in R...

The State of Goiás is the second-largest producer of sugarcane in Brazil. However, it still faces low productivity, primarily due to the lack of sugarcane varieties adapted to this region and its typical water deficit. Therefore, the objective of this work is to evaluate the performance of two sugarcane varieties subjected to different irrigation m...

Edaphoclimatic variables play a crucial role in shaping both the growth and yield of sugarcane. This study aimed to evaluate the intricate relationships among plant variables, agrometeorological factors, and water stress conditions in three successive crop cycles of sugarcane (cane plant, ratoon 1, and ratoon 2). The investigated plant variables in...

Rainfall is a fundamental component of agricultural production, and knowing its potential and variability can ensure the success of this activity. However, the number of meteorological stations is still small, even in states with agricultural aptitude, such as Goiás. Geoprocessing techniques can be used to overcome this problem. Thus, this study ai...

Bamboo species, size, and soil water define the dynamics of available photosynthetic active solar radiation for intercrops in the Brazilian savanna biome Abstract Bamboo has many potential applications in agroforestry systems. This study evaluated the photosynthetic active solar radiation available (PAR) to intercrops in three bamboo species as a f...

Brazil is one of the largest soybean producers in the world, however, there are still yield gaps in crops, mainly linked to weather conditions. Based on it, this paper quantifies the spatial variability of rainfall based on two dense networks of rain gauges and analyzes the influence on the attainable productivity (Ya) of the soybean crop. The stud...

The European Union is highly dependent on soybean imports from overseas to meet its protein demands. Individual Member States have been quick to declare self‐sufficiency targets for plant‐based proteins, but detailed strategies are still lacking. Rising global temperatures have painted an image of a bright future for soybean production in Europe, b...

The present work aims to conduct a brief discussion about intercrops in the bamboo production, based on the experiences of researchers and farmers from the Brazilian Cerrado region.

The Amazon basin includes 550 Mha covered with rainforests, and 60% of this area is in Brazil. The conversion of rainforest for soybean production raises concerns about how Brazil can reconcile production and environmental goals. Here we investigated the degree to which intensification could help Brazil produce more soybean without further encroach...

Large-scale assessment of crop yields plays a fundamental role for agricultural planning and to achieve food security goals. In this study, we evaluated the robustness of data-driven models for estimating soybean yields at 120 days after sow (DAS) in the main producing regions in Brazil; and evaluated the reliability of the "best" data-driven model...

The morphological characteristics of the xylem elements influence water ascent in the plants. Few models determine the physical process of water movement in the vascular system of plants based on the hydraulic architecture. This study aims to determine the anatomical characteristics of the xylem and potential hydraulic conductivity at different pos...

The Amazon basin includes 550 M ha covered with rainforests, with 60% of this area being in Brazil. Conversion of rainforest for soybean production raises concerns about the degree to which Brazil can reconcile production and environmental goals. Here we investigated the degree to which intensification could help Brazil produce more soybean without...

The Amazon basin includes 550 M ha covered with rainforests, with 60% of this area being in Brazil. Conversion of rainforest for soybean production raises concerns about the degree to which Brazil can reconcile production and environmental goals. Here we investigated the degree to which intensification could help Brazil produce more soybean without...

Process-based models (PBM) are important tools for understanding the benefits of Integrated Crop-Livestock Systems (ICLS), such as increasing land productivity and improving environmental conditions. PBM can provide insights into the contribution of agricultural production to climate change and help identify potential greenhouse gas (GHG) mitigatio...

The state of Rio Grande do Sul, Brazil, has a low maize production when compared to the total demand, particularly under water deficit conditions. This study aimed to estimate the yield gain of maize using irrigation. The FAO Agroecological zone model was used to simulate the yield after previous calibration and evaluation, following an experimenta...

The application of nitrogen soil fertilization is one of the factors that leads to high yields in common bean crops. Therefore, the aim of this work is to evaluate in silico the effects of nitrogen rates and topdressing dates on common bean yield in three different sowing dates and three growing seasons in Goiás State, Brazil. The CSM-CROPGRO-DRYBE...

In recent years, there has been an increase in studies suggesting that gridded weather database (GWD) is a suitable source for simulating crop yield. Brazil has low geospatial coverage by measured weather database (MWD). Based on that, this study aimed to compare two different GWD sources, Daily Gridded (DG) and NASA/POWER (NP), on the simulated yi...

Climate is one of the main limiting factors for agricultural productivity, where climate change may increase the risk for food production. Based on that, the aim of this study was to evaluate the impacts of climate change on rainfed and irrigated soybean yield in the MATOPIBA region, the new agricultural frontier in Brazil. The DSSAT CSM-CROPGRO-So...

The hydraulic architecture is the anatomic structural aspect of significant influence on the flow of water in plants. However, there are few models for determining the physical process of water movement in the vascular system of plants. Given the scarcity of information on the hydraulic architecture of important agronomic species, the aim of this s...

The animal production system has been affected in the Rio Grande do Sul State by low maize production, mainly non-ruminants. The total demand is not well known and official data are inaccurate and underestimated. This research characterized and analyzed the maize grain demand and supply for animal feed in the last 15 years at the Rio Grande do Sul...

Computational fluid dynamic (CFD) can be used to quantify the internal flow variables of xylem conducting vessels. This study aims to analyze through numerical simulations the xylem water ascent of African mahogany (Khaya grandifoliola) cultivated under different irrigation regimes. We determined a geometric model, defined through the variability o...

The Cerrado is under full expansion of sugarcane cultivation. However, the climate of this biome limits the production of sugarcane due to a marked water deficit. Therefore, the objective of this study is to evaluate different varieties of sugarcane in two cultivation cycles in response to irrigation levels in the Cerrado. The experiment was conduc...

Chickpea (Cicer arietinum L.) is a very important legume crop mainly due to its nutritional properties, being cultivated in several countries. However, parameters on water consumption and crop coefficient (Kc) are limited by cultivar for irrigation management. Thus, this study aimed to determine the water requirements and Kc for three chickpea cult...

The aim of this study is to determine the water demand of the varieties RB867515, IAC91-1099, and IAC87-3396 of sugarcane using weighing lysimetry in the environmental conditions of the Cerrado of Goiás, Brazil. The experiment was conducted in Goiânia, GO, Brazil, from March 2016 to March 2018 during the cycles of plant-cane and ratoon cane, lastin...

Crop models can be used to explain yield variations associated with management practices, environment and genotype. This study aimed to assess the effect of plant densities using CSM-CROPGRO-Soybean for low latitudes. The crop model was calibrated and evaluated using data from field experiments, including plant densities (10, 20, 30 and 40 plants p...

In recent years, there has been an increase in studies suggesting that gridded weather database (GWD) is a suitable source for simulating crop yield. Brazil has low geospatial coverage by measured weather database (MWD). Based on that, this study aimed to compare two different GWD sources, Daily Gridded (DG) and NASA/POWER (NP), on the simulated yi...

Soybean is the main crop grown in Brazil and is important to quantify the capacity of increase in yield by crop production intensification and management. This study aims to quantify yield gap and agricultural efficiency (AE) for soybean in Central Cerrado biome, Brazil. Yield gap by management (YG MG) and water deficit (YG WD) and AE and climate e...

The planning of planting/harvest operations improves yield and economic returns of sugarcane production systems. This study aims to define homogenous regions and optimum planting dates for sugarcane using simulated water-limited yield in the state of Goiás, Brazil. Yw was simulated using crop model and 24 planting dates across the year, including g...

The beneficial effects of silicon (Si) on plants have been widely reported for its fruit qualitative improvements, growth gains, and protection against abiotic and biotic stresses. This study aimed to evaluate the combined effect of soil water potential (Ψs) (−30 and −60 kPa) and the foliar application of Si (0.0 (control), 1.0, 2.0, 3.0, and 4.0 g...

The great extension of the cultivated area, associated with the low water availability to supply the sugarcane demand in the periods of drought and the high evapotranspiration demand, requires varieties adapted to these specific conditions. The aim of this study was to assess 16 sugarcane varieties regarding the efficiency in water use (EWU) and in...

O déficit hídrico é o principal fator de quebra de produtividade da cultura da soja no Brasil. Assim, este trabalho teve como objetivo avaliar a resposta da produtividade da cultura da soja utilizando manejos de irrigação no período chuvoso para o Cerrado. O estudo foi realizado para Rio Verde, GO, Cristalina, GO, Barreiras, BA e Peixe, TO, com sér...

Grass production has gained importance over the years, noted for its large-scale use in the composition of green areas, gardens and sports fields. However, in the cerrado region, the use of irrigation during the dry season (April to September) is essentialto ensure vigorous lawns throughout the year. However, with the restriction of water use, espe...

EVAPOTRANSPIRAÇÃO DA CANA-DE-AÇÚCAR ESTIMADA PELO ALGORITMO SAFER RODOLFO FERNANDES MUSSI 1; JOSÉ ALVES JÚNIOR2; ADÃO WAGNER PEGO EVANGELISTA2; DERBLAI CASAROLI2 E RAFAEL BATTISTI2 1 Mestre em Agronomia: Escola de Agronomia, Universidade Federal de Goiás - UFG, Av. Esperança s/n, Campus Samambaia, CEP 74.690-900, Goiânia, Goiás, Brasil, e-mail: rod...

A precisão dos sensores capacitivos utilizados na estimativa do teor de água no solo são dependentes das características do solo, necessitando de calibração para sua correção. O objetivo deste estudo foi calibrar o sensor capacitivo EC-5 para a estimativa do conteúdo de água no solo em relação a diferentes granulometria do solo do cerrado. Em condi...

Sugarcane (Saccharum officinarum L.) yield is affected by climate, soil and management. The main approach used in Brazil defines the suitable area for growth considering soil and climate data, without considering the capacity of local management in reducing yield-limiting factors. Thus, the aim of this study is to characterize homogenous areas usin...

The assessment of crop management can help to improve yield across different climate and soil conditions. Soybean is the main crop in Central Brazil, where sowing date, maturity group, and irrigation management are an important decision need to be taken by farmers to get higher yields. This way, the aim of this study was to assess the total product...

Water deficit (WD) is the main yield gap for sugarcane in Midwest Brazil. Thus, WD detection is essential to quantify yield losses, but field detection requires measurement of soil water content over large areas. In this study, we tested leaf temperature (T L) and land surface temperature (T S) to detect WD in a commercial sugarcane area. The area...

The double-crop season soybean-maize (DC) is widely used by farmers in central Brazil, with short cycle and sowing dates outward than the best for single crop season (SC). The aim of this study was to quantify the yield and net profit of DC in comparison with SC for soybean-maize in Central Brazil. The yield was simulated using a crop model calibra...

O uso de sensores de umidade do solo é uma importante ferramenta no manejo de irrigação, entretanto devido a variabilidade física do solo requer calibrações locais, a fim de se aumentar a sua acurácia. Assim, este estudo teve como objetivo calibrar o sensor DSMM500, da General Tools, para um Latossolo Vermelho distrófico, de textura argilosa, para...

A viabilidade econômica de um empreendimento agrícola como a irrigação é influenciada pelos custos de implantação e manutenção do sistema. Estes, por sua vez, variam em função das lâminas de projeto e manejo de irrigação ao longo do ciclo. Diante do exposto, o objetivo desse trabalho verificar a viabilidade financeira do pinhão manso irrigado por m...

The answers to when and how much to irrigate orchards can be obtained based on the measurements of plants' transpiration and leaf temperature. This study aims to determine the leaf temperature and sap flow of the pequi tree (Caryocar brasiliense Camb.), both with and without water restriction. Further, the leaf temperature was measured by infrared...

Irrigation improves yield, but can create conflicts with other water uses during dry periods. Based on this, the aim of this study is to assess the economic returns provided by irrigation of common beans during the rainfed season in Central Brazil. Common bean yield was simulated for 30 growing seasons using the crop model DSSAT-CROPGRO-Drybean, wi...

The use of specific crop management in a growing region according to its climate can reduce the yield gap caused by water deficit, the main cause of soybean yield gap in Brazil. Therefore, this study aimed to characterize the Brazilian soybean-growing regions based on attainable yield and water deficit patterns. The attainable yields were estimated...

Given the current water scarcity and aiming at sustainable agricultural development, it is necessary to identify and apply the most appropriate practices for water saving, also considering yield and water productivity improvement. Tomato is a high-water-demand vegetable crop, and excessive use of irrigation water generally leads to overexploitation...

The objective of this experiment was to evaluate the effect of the application of irrigation and potassic fertilization levels on canopy growth of the Jatropha trees. The experimental design was in randomized blocks with subdivided plots and four replicates. The plots consisted of application of four irrigation levels (0, 40, 80, and 120% of the ev...

The region of study was MATOPIBA, located in the north of Brazilian Savanna biome (Cerrado), encompassing part of north/northeast of Brazil. The region has been gaining prominence in the last years due to the expansion of agricultural over this area. The aims of this study were: to adjust parameters for rainfall intensity-duration-frequency; and to...

Soya bean yield gap can be caused by different factors resulting in uncertainties when the objective is to use such information for farm decision-making and reference yield determination. Thus, this study aimed to quantify the soya bean yield gap for four sites, located in Southern and Midwestern Brazil, as well as the uncertainties of that related...

Bamboo has a huge potential for several uses; however, there are many species with numerous climatic growth requirements. This makes it difficult to characterize the agroclimatic bamboo demands, in order to define areas suitable for its cultivation. This study aimed to quantify the bamboo agroclimatic requirements, as well as to define areas suitab...

A high-density, well-distributed, and consistent historical weather data series is of major importance for agricultural planning and climatic risk evaluation. A possible option for regions where weather station network is irregular is the use of gridded weather data (GWD), which can be downloaded online from different sources. Based on that, the ai...

A variabilidade interanual da produtividade de soja no Rio Grande do Sul tem como principal causa a deficiência hídrica e a irrigação suplementar é uma das alternativas para estabilizar a produtividade. Assim, o objetivo deste trabalho foi quantificar a demanda de irrigação suplementar e a eficiência climática para a soja no estado do Rio Grande do...

Soybean yield is mainly influenced by the interaction among genotype, environmental conditions and management practices. Based on that, the aim of this study was to quantify the soybean yield gap caused by water deficit (YGWD) and sub-optimum crop management (YGCM), considering data from the areas of soybean yield contest in Brazil. Potential (Yp)...

In Cerrado, due to the dry season, the use of irrigation is fundamental to guarantee up to 3 harvests per year. However, it is a technique with a high cost of equipment implantation and maintenance. Thus, the researches with new technologies to reduce these costs must be constant. It is known that the use of straw on soil surface reduces water evap...

Management is the most important handle to improve crop yield and resilience under climate change. The aim of this study was to evaluate how irrigation, sowing date, cultivar maturity group and planting density can contribute for increasing the resilience of soybean (Glycine max (L.) Merr.) under future climate in southern Brazil. Five sites were s...

Crop growth models have many uncertainties that affect the yield response to climate change. Based on that, the aim of this study was to evaluate the sensitivity of crop models to systematic changes in climate for simulating soybean attainable yield in Southern Brazil. Four crop models were used to simulate yields: AQUACROP, MONICA, DSSAT, and APSI...