Book of Extended summaries ISDA

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &
Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad
acetic acid (MAA). It contains both thio and carboxylic acid functional groups. It is used in salt forms
including calcium thioglycolate and sodium thioglycolate. Farming situation is irrigated and soil is
sandy loam in Jhunjhunu district. The sowing of wheat crop was done from second week to last week
of November under irrigated condition. Two foliar spray of TGA agrochemical (100 ppm) on 15
days interval for two times at first and second fortnight in February month was done by knapsack
/power sprayer. Crop was harvested during first/ second week of April. The data analyzed revealed
that the average gross return and net return was `107636 and `96495; `59111 and `49043 of foliar
spray demonstration and local check, respectively. It could be concluded that average production
(12.11 %) and net profit of wheat crop (20.52%) were increased by foliar spray of TGA under field
conditions. The total cost of TGA agro-chemical material along with two foliar spray cost was about
`500/ha. Hence, two foliar spray of TGA agro-chemical at tillering and milking stage in wheat crop
could be added in package of practices and motivate the farmers for adoption of new techniques for
stress management in wheat crop and getting economic returns.
T5-11P-1024
Effect of Foliar Application of Different Nanofertilizers on Performance of
Rainfed Maize in Southern Telangana
K. A. Gopinath 1 , V. Visha Kumari 1 , K. Sammi Reddy 1 , V. K. Singh 1 ,
G. Ravindra Chary 1 , A. K. Shanker 1 , S. Kundu 1 , M.R. Krupashankar 2 ,
Tarunendu Singh 2 and B. Rajkumar 1
1 ICAR-Central Research Institute for Dryland Agriculture, Hyderabad, Telangana 500 059, India;
2 Indian Farmers Fertilizer Cooperative Limited, IFFCO Sadan, New Delhi 110 017, India
Limited nutrient use efficiency and environmental constraints associated with the use of
chemical fertilizers remain a hindrance for achieving reasonable sustainability in agriculture.
Additionally, cost increases resulting from over-application of chemical fertilizers reduce
profit margins for growers. Several strategies have been proposed to increase fertilizer use
efficiency, such as the use of precision fertilization, split or localized application, fertigation,
and the use of nanofertilizers. Studies have revealed that some nanofertilizers have the potential
to increase crop productivity by enhancing seed germination, seedling growth, photosynthesis,
nitrogen metabolism, and protein and carbohydrate synthesis, aside from improving stress
tolerance. However, there is scarcity of information especially on effect of nanofertilizers on
growth and yield of rainfed crops, nutrient use efficiency and on soil properties.
Methodology
A field experiment was conducted during kharif, 2021 at Gunegal Research Farm (GRF) of
ICAR-CRIDA, Hyderabad to study the effect of nano-N, nano-Zn and Nano-Cu alone and in
combinations with different doses of recommended NPK on rainfed maize (cv. DHM 111).
Soil of the experimental site was sandy loam; slightly acidic in reaction (pH 6.51), EC was in
Emerging approaches (RS, AI, ML, Drones etc) for crop management &assessment
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