T. L. Neelima

• Ph.D.
• Agriculture at Professor Jayashankar Telangana State Agricultural University

The study was conducted from June, 2020 to January, 2021 in two villages namely; Chinna Tandrapadu and Mandoddi of Ieeja Mandal, Gadwal district, Telangana, India to assess the lodged crop using the sentinel-I data with two polarizations and two cross polarisations backscatter values. The two major methods were direct Seeding and transplanting. In...

The investigation on influence of different crop establishment methods and irrigation scheduling on phenology and nutrient studies of rice (Oryza sativa L.) was carried out in sandy clay soils at Agriculture Research Station, Kampasagar, Nalgonda district for two kharif seasons of 2021 & 2022. The experiment was laid out in split plot design with t...

Background: The current view of agroforestry is not as a collection of technologies, but of trees included in agricultural landscapes. India’s sub-national climate change action plans acknowledge agroforestry’s potential for climate change adaptation and mitigation. Understanding the extent and distribution of trees on agricultural land, at the lan...

As global populations rise and the demand for both food and energy intensify, the concept of agrivoltaic systems-integrating solar energy production with agriculture-has emerged as a pioneering solution. Agrivoltaics, also known as agrophotovoltaics (APV), allow for the simultaneous use of land for farming and solar power generation. This dual-purp...

By using the AVIRIS NG Hyperspectral data, analyzed the relationship between the soil spectral re lectance and various degree of salt affectedness and waterlogged soils from the soil sampling sites from Nagarjuna Sagar Left Bank Command area, Nalgonda district, Telangana, India. The individual AVIRIS NG Hyperspectral image scenes were processed wit...

By using the AVIRIS NG Hyperspectral data, analyzed the relationship between the soil spectral reflectance and various degree of salt affectedness and waterlogged soils from the soil sampling sites from Nagarjuna Sagar Left Bank Command area, Nalgonda district, Telangana, India. The individual AVIRIS NG Hyperspectral image scenes were processed wit...

A study was conducted to estimate soil organic carbon pools and the carbon sequestration of major agroforestry tree species in semiarid region of Telangana during the year, 2022. Major agroforestry tree species studied were eucalyptus, malabar neem, sandal wood, red sanders, teak, subabul, malabar neem + sandal wood, red sanders + sandalwood and ba...

Aim: This study aimed to analyse the trends and changes in long-term monthly and annual temperature patterns in Telangana state, India. For this study monthly temperature data of Telangana state from January 1960 to December 2022 was collected from the IMD website. The linear regression trend line and the non-parametric tests, such as Mann-Kendall...

A field experiment was laid on sandy loam soils during the rabi season 2020-21 by farmers field’s of Raikode village, Narwa mandal of Narayanapet district to study the nutrient uptake and quality parameters of groundnut as influenced by the effect of gypsum and CaMS super application.The effect of different levels of gypsum and CaMS super on nutrie...

The Evapotranspiration (ET) is the major component of the terrestrial hydrological cycle. The ET is sensitive to the deficiency in soil moisture and can be used in water productivity and drought studies. A study was conducted at the Maize Research Center, Professor Jayashankar Telangana State Agricultural University (PJTSAU), aimed to estimate crop...

Rice is one of the important cereal crops grown throughout the world. There are various factors like climate, soil, variety and management are influencing the growth and yields of rice. Selection of best performing cultivar, proper irrigation scheduling and nutrient management techniques can play a key role in improving the productivity of rice. To...

The immense demand on India’s energy resources caused by its sustained economic expansion is expected to continue in the future. India’s energy system is currently primarily supported by coal, petroleum, and biomass. India’s per-capita energy consumption, however, is just around one-third of the global average (Bianchini et. al. 2016). As its commi...

The study conducted at the Maize Research Centre, Agriculture Research Institute, Professor Jayashankar Telangana State Agricultural University (PJTSAU), Rajendranagar, Hyderabad, from November, 2022 to March, 2023 aimed to compute the crop evapotranspiration (ETc) of maize crop under two different irrigation treatments using the weather data gener...

Soil degradation caused by poor land management practices is a major impediment to optimal land productivity. Soil spatial variability is required for agricultural productivity, food safety and environmental modeling. Rice is one of the important food resources for most of the world's population, especially in India and feeds more than 60 per cent...

In the year 2019-20, a field trial was conducted at the Horticulture farm, College of Agriculture, Rajendranagar, Hyderabad, Telangana. The aim was to investigate the impact of N and K fertigation on the growth of coloured Capsicum hybrids cultivated under shade net conditions in sandy loam soils. The trial encompassed four primary plot treatments...

Soil erosion poses a significant environmental challenge worldwide, causing the depletion of fertile topsoil, reduced crop productivity, and heightened sedimentation in water bodies. The extent of erosion depends on factors such as rainfall intensity, land slope, soil type, land use, and management practices. Accurate assessment of soil loss, consi...

Soil erosion is a major environmental challenge that affects agricultural productivity, water quality, and land management. To address this issue, accurate estimation and spatial mapping of soil erosion rates are essential for effective soil conservation planning and management. This study focuses on utilizing the Revised Universal Soil Loss Equati...

A field experiment was conducted at College farm, Water Technology Centre, Professor Jayashankar Telangana State Agriculture University (PJTSAU), Rajendranagar, Hyderabad during 2018 to 2019 to study the effect of differential drip irrigation and fertigation schedules on yield and economics of summer sesame. The experiment was framed with ten treat...

Early-season agricultural drought is frequent over South Asian region due to delayed or deficient monsoon rainfall. These drought events often cause delay in sowing and can even result in crop failure. The present study focuses on monitoring early-season agricultural drought in a semi-arid region of India over 5-year period (2016–2020). It utilizes...

A study was conducted to assess the influence of various agroforestry systems on soil physicochemical and chemical parameters in the erstwhile Warangal district, Telangana during the year, 2022. Soil samples were collected from 0-20 cm and 20-40 cm depths of different agroforestry land use systems (Eucalyptus, Malabar neem, Sandal wood, Red sanders...

A field experiment was conducted in red sandy loam soils at College Farm, Professor Jayashankar Telangana State Agricultural University (PJTSAU), Telangana, India during the rabi seasons of 2018-19 and 2019-20. The objective of the experiment was to investigate the impact of drip irrigation regimes and fertigation levels on the yield and economic a...

Identification and demarcation of management zones (MZs) are required to maximize profit, reduce environmental damage, and enhance soil and crop health. The management zone with uniform spatial homogeneity and production potential may solve the problem of sustainable soil nutrient management. Hence, this current investigation was carried out to eva...

Groundnut (Arachis hypogea L.) is the most important oil seed crop in India. The cultivated area in Telangana state under groundnut is around 0.79 lakh ha with a production of 3.73 lakh tonnes in rabi 2022-23. Enough Ca and S content in the soil around the peanut pods leads to increased yield, seed oil and protein contents. Gypsum and CaMS super (C...

A field experiment was conducted at research farm of Agricultural Research Institute, P.J.T.S.A.U, Hyder-abad during rabi 2019-20. The treatments comprising of three irrigation scheduling at 60% DASM (I 1), 40% DASM (I 2) and 20% DASM (I 3) as main plots and three nitrogen levels viz., 90 (N 1), 180 (N 2) and 240 kg (N 3) N ha-1 as sub-plots replic...

China aster (Callistephus chinensis L. Nees) is a half hardy annual flowering plant and is grown for cut as well as for loose flowers. The cut flowers are used in flower arrangements, vases, bouquets, for interior decorations, etc. The loose flowers are widely used for making garlands, for decorations, for worship and are also used in social functi...

An investigation was carried in the erstwhile Mahabubnagar district of Telangana during rabi 2019-20 aiming the estimation of groundnut crop acreage and yield. The crop area was estimated using the satellite images of Landsat-8-OLI sensor from September to February covering the entire crop growth period by performing an unsupervised image classific...

A field experiment was conducted at research farm of Agricultural Research Institute, P.J.T.S.A.U, Hyder-abad during rabi 2019-20. The treatments comprising of three irrigation scheduling at 60% DASM (I 1), 40% DASM (I 2) and 20% DASM (I 3) as main plots and three nitrogen levels viz., 90 (N 1), 180 (N 2) and 240 kg (N 3) N ha-1 as sub-plots replic...

Rice is the principal food crop mostly grown during kharif season in India. The persistent cloud cover during kharif season makes the rice phenology monitoring complicated using optical remote sensing. In this scenario, microwave data has been shown to be a reliable form to acquire cloud free data. This study utilized the temporal Sentinel-1 SAR an...

Soil variability is major factor behind the less yield, higher cost of cultivation and minimum profit. Geostatistics, principal component analysis and Fuzz C mean cluster algorithms are used to check soil spatial variability and help in reduction of spatial variability by diving field in to different management zone. Spatial variability of soil of...

Carbon is an essential element for crop growth and development. It exists in the form of CO2 in the atmosphere. It is the primary greenhouse gas (GHG) emitted due to anthropogenic activities and biological processes. Burning of fossil fuels such as coal, natural gas and oil, agricultural activities, land use changes and other natural processes...

Rice area estimation in Nizamabad dist using SARex model

Discrimination of Transplanted rice and Direct seeded rice using Sentinel1 SAR data

Traditional rice cultivation with huge water consumption and judicious fertilizer application had a gloomy effect on environment. Rice although being an important staple crop, its cultivation has become difficult in light of climate change. Sustainable strategies for rice cultivation under climate change scenario is gaining importance and factors w...

The spatial distribution of heavy metals content in soils could help identify the hot-spot areas of contamination and potential sources of pollutants. A study was conducted at the Jeedimetla Industrial belt, located in the northwest part of Hyderabad, Telangana, to assess the spatial variability of soil DTPA ex-tractable manganese (Mn) content. A t...

Rice is a widely cultivated cereal crop that is traditionally grown in a flooded system under transplanted conditions due to its semi aquatic nature. Planting methods, water and nutrient management has a significant effect on growth and yield of crop. Crop growth rate was influenced by intercepted radiation and provide base for assimilation of phot...

The research was conducted at the Regional Agricultural Research Station, Palem during yasangi (rabi) 2020-21 to assess the impact of irrigation regimes on yield, water productivity, and economics of groundnut varieties. The experiment was laid out in a split plot design and comprising of three irrigation levels viz., irrigation at IW/CPE ratios of...

An investigation was performed to characterize the irrigation water quality of the groundnut belt in the erstwhile Mahabubnagar district, Telangana for which 35 irrigation water samples from both canal and groundwater sources from the study area were collected through a preliminary survey in the selected farmer’s fields. The samples which were anal...

A study was conducted to identify suitable spectral bands related to soil properties of major soils of Telangana using hyperspectral data. A total of 200 surface soil samples were collected from district of Sangareddy (20 soil samples), Yadadri Bhuvangiri (20 soil samples), Nizamabad (20 soil samples), Adilabad (20 soil samples), Jayashankar Bhupal...

Abstract

Abstract

Irrigation water has a major influence on crop growth and yield. Groundnut being an important rabi season crop grown in the erstwhile Mahabubnagar district is an irrigated crop for which irrigation is provided through both groundwater and canal water sources. The present study was taken up to evaluate the quality of irrigation water in groundnut cr...

Extended Summary

Maize is a short duration crop. Accurate and up-to-date assessment of the spatial distribution of cultivated area and its production is a key information requirement for all stakeholders including policy makers, farmers and consumers. The study utilized Sentinel-2A/2B satellite based NDVI (Normalized Difference Vegetation Index) data to study yield...

The study explained comparison of the biophysical parameters with in the two rice cultures. Study was conducted in the farmers field at Jogulamba Gadwal District of Telangana under same management practices. The biophysical parameters were recorded during the crop growth stages like Vegetative, Maximum Tillering, Panicle initiation, Flowering and M...

The present study was conducted during rabi season of 2019-20 based on the crop colonies concept, where the highly and marginally potential regions for groundnut were delineated with an objective of soil fertility assessment in the crop area in order to determine the yield gaps and constraints for low yields in marginally potential areas. Soil samp...

The present study was carried out to know the fertility status of Patancheru area of Sanga Reddy district, Telangana state by using GPS-GIS technology during the year 2020-2021. Total 132 soil samples from soil surface (0-20 cm) collected from the study area and analyzed for the soil physico-chemical properties (pH, EC, OC), available macronutrient...

A study was carried out using the temporal Sentinel-1B microwave data (June to November at 12 days interval) and Sentinel-2A/2B optical data (June to November) to discriminate the maize crop from other competing crops rice and cotton in Siddipet district, Telangana state, India during kharif, 2019 (June to November). The study utilized the data...

A study was carried out using the temporal Sentinel-1B microwave data (June to November at 12 days interval) and Sentinel-2A/2B optical data (June to November) to discriminate the maize crop from other competing crops rice and cotton in Siddipet district, Telangana state, India during kharif, 2019 (June to November). The study utilized the data fro...

Groundwater is the most important natural resource in arid and semiarid areas. Ground water quality assessment is essential to maintain the soil and crop productivity to higher level without damaging the soil health. Groundwater samples collected from wells and borewells across Guntur district, Andhra Pradesh were analyzed for physico-chemical prop...

Erstwhile Mahabubnagar district of Telangana accounts for 60.0 per cent of the total area of the Groundnut crop. Recent developments in aerospace survey technology, digital image processing, modelling of the crop production process, and geographic information systems have created promising opportunities for upgrading agriculture statistical systems...

A field experiment was conducted at Agro Climate Research Center, Agricultural Research Institute, P.J.T.S Agricultural University, Rajendranagar, Hyderabad, India during rabi 2019-20. The field experiment was laid out in a split plot design with three replications. The treatments comprising of three irrigation scheduling based on (Depletion of Ava...

A 4-year field study (2013–14 to 2016–17) was conducted at Palem, Telangana, to understand the impact of selective mechanization practices (SMPs), viz. motorized power spray, mechanical interculture, harvesting using secateurs and mechanical castor shelling, and conventional practices (CPs) like knapsack sprayer, bullock-drawn blade, manual harvest...

A field investigation was carried out to study the influence of zinc and iron micronutrients on the performance of rainfed castor, in Professor Jayashankar Telangana State Agricultural University, Telangana state, India for three consecutive years during kharif 2011-12, 2012-13 and 2013-14. There were nine treatments viz., Control (no micronutrient...

A field study was executed to understand the impact of phosphate solubilizing micro-organisms on the performance of castor crop. The pooled data results showed that application of 20 kg P2 O5 ha-1+ seed treatment with phosphate solubilizing bacteria (PSB) (T5 ) and 20 kg P2 O5 ha-1+bean treatment with bio-phos (T1 ) have produced 35.7 and 26.0% hig...

A field experiment was conducted for yield maximisation through best management practices in castor at RARS,Palem during kharif, 2018. The results revealed that adoption of Best Management Practices (BMPs) in rainfed castor resulted in significantly higher growth and yield attributes such as plant height, effective spike length thus significantly h...

A field experiment was conducted during kharif season

The field experiment was conducted at College Farm, College of Agriculture, Rajendranagar, Hyderabad during kharif, 2004. The experimental site was of sandy loam in nature with pH 7.2, organic carbon 0.31 per cent and 207, 23 and 258 kg ha-1 of available N, P2O5 and K2O respectively. The experiment was laid out in a split plot design with four main...

Fertigation @ 30 kg N during 10-55 DAS; 40-50 kg N during 56-85 DAS; 20-30 kg N during 86-115 DAS and 20 kg N/ha during 116-145 DAS resulted in significantly seed yield of castor (3351 to 3356 kg/ha), higher water use efficiency (8.79-8.82 kg/ha/mm) and nitrogen use efficiency (27.9 kg/ha) as compared to that of uniform dose through fertigation (30...

Best Management Practices in rainfed castor gave higher yield (1555 kg/ha) and net returns and BC ratio as compared to that of farmers practice

Soybean is a high economic value oilseed crop, mostly grown in the kharif season in India. The persistent cloud cover during this season makes the soybean crop acreage estimation complicated using space-borne remote sensing. Microwave remote sensing can help in resolving the problem, owing to its capability toacquire images in cloudy condition. The...

The study was carried out to know the soil fertility status of Nagarjuna Sagar Left Bank Command area, of Nalgonda district, Telangana by using GPS-GIS technology during the year 2020-2021. The pH of soils of Nagarjuna Sagar Left Bank Command area varied from 6.21 to 9.62, most of the soils were found to be moderately alkaline to very alkaline (78....

The present study represents the quality of ground water from Kaleshwaram project command area of Nizamabad district of Telangana state, India during year 2019-2020. Total 72 ground water samples from bore wells were collected randomly from Nizamabad periodically in two seasons i.e. pre-monsoon season (May, 2019) and post-monsoon-season (January, 2...

C astor (Ricinus communis L.) is a well known non-edible and industrially highly valued crop. Traditionally different parts of castor plant are being used in various sectors such as domestic, medical, agriculture, industry and of late ornamental. In the recent days, efforts are on for utilization of castor oil in biofuel programmes in different cou...

A field experiment was conducted at Agro Climate Research Center, Rajendranagar, Hyderabad, India during post monsoon season of 2019-20 with an objective to optimize the nitrogen dose under varied degrees of water stress environment. The experiment was laid out in split plot design replicated thrice with three irrigation scheduling (60%DASM, 40%DAS...

A field experiment was conducted at Agro Climate Research Center, Rajendranagar, Hyderabad, India during post monsoon season of 2019-20 with an objective to optimize the nitrogen dose under varied degrees of water stress environment. The experiment was laid out in split plot design replicated thrice with three irrigation scheduling (60%DASM, 40%DAS...

An investigation on “Irrigation performance assessment of Jurala irrigation project command area using remote sensing and GIS” was executed in Mahaboobnagar district of Andhra Pradesh to estimate the area under major crops using remote sensing data, assess the yield of rice and to evaluate the overall performance of the irrigated command area durin...

Farm pond technology has been in practice since time immemorial, however, it has become very important now a days due to increase in extreme events like drought and floods. They are to used collect and store run-off following heavy rain fall. Many studies across the country revealed yield advantage to the tune of 29-114% due to scheduling of life s...

Introduction Irrigation is the backbone of agriculture, irrespective of size of holding. Tremendous efforts have been made in the past to increase the irrigated area through construction of large number of surface irrigation projects and through ground water resources since the first five year plan. As a result, the irrigated area has increased by...

Castor is the second most important oilseed crop next to groundnut in tenns of acreage and economy in Andhra Pradesh. The productivity of castor during kharifseason in the state is low and varies from 500-675 kg ha'. It is far below than that ofGujarat (1978 kg ha'), Haryana (1600 kg ha"), national average (1512 kg ha') and Rajastan (1417 kg ha")....

Various phytoremdiation strategies have to be employed depending on the necessity to remove harmful/hazardous metals from from soil and water to avoid their entry into food chain. Selection of approporiate soil type, plant/tree species/cultivars and agronomic management have to be used to reduce metal transfer to the food chain.

A field experiment was carried out at Jaguli Instructional Farm under Bidhan Chandra Krishi Viswavidyalya, West Bengal during summer season of20 I0 and 2011 in order to evaluate the effect of integrated nutrient management and organic nutrient practice on Sesame + Greengram intercropping system. The experiment was laid out in split plot design keep...

The indication of c imate change, in a gi~i"JClce, is manifested through abnormal changes in climatic behaviour. Being a very high rainfall region, the North Eastern part ofIndia has least coefficient of variation of rainfall in the country during the kharif crop season. But, the ever increasing pressure on natural resources, generated through huma...

Farm ponds can be used to harvest and store the run-off water and reuse the same during long dry spells for successful crop production in rain shadow areas

A field experiment was conducted during kharif 2013 and 2014 to study the effect of row spacing and sowing time on seed yield, galactomannan and protein content and nutrient uptake of guar in semi arid climate of Southern Telangana. The crop sown at row spacing of 30 cm recorded significantly higher seed yield than that of 45 cm and 60 cm spacing....

An experiment was conducted with the objective of understanding the response of pigeonpea varieties to N levels under different method of planting. It consisted of 16 treatments with four methods of planting in main plots, two varieties and two N levels in double split plot (DSP) design. The results of pooled data indicated that significantly highe...