Book of Extended summaries ISDA

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &
Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad
loppings+25 kg N ha -1 –urea
SE+ 0.56 1.63 -- -- 2219.1 -- --
CD at 5% 1.69 4.88 -- -- 6644.5 -- --
Effect of treatments on soil chemical properties at harvest (2021-22).
Treatments pH EC Available Nutrients
(kg/ha)
DTPA extractable
micronutrients (ppm)
N P K Fe Mn Zn Cu
0 kg N ha -1 –control 7.96 0.47 119.00 16.18 681.00 2.55 4.29 0.18 0.52
25 kg N ha -1 –urea 7.78 0.56 159.67 21.78 819.33 3.48 5.90 0.38 1.36
50 kg N ha -1 –urea 7.95 0.58 168.67 24.38 883.00 4.34 6.45 0.32 1.26
25 kg N ha -1 –CR 7.42 0.61 180.00 34.57 951.00 4.46 6.58 0.45 1.34
25 kg N ha -1 –FYM 7.31 0.66 184.00 30.83 969.00 4.47 7.59 0.47 1.37
25 kg N ha -1 -CR +25 kg N ha -1
–urea
25 kg N ha -1 - FYM +25 kg N ha -
1
urea
25 kg N ha -1 –CR +25 kg N ha -1
–Leucaena loppings
7.20 0.68 190.00 31.43 974.33 4.65 7.65 0.60 1.49
7.22 0.70 203.00 35.22 993.00 4.81 7.64 0.61 1.51
7.20 0.74 203.67 39.31 996.00 4.72 8.00 0.63 1.54
25 kg N ha -1 -Leucaena loppings 7.28 0.71 180.00 31.30 868.67 4.40 7.94 0.51 1.32
25 kg N ha -1 -Leucaena loppings
+25 kg N ha -1 –urea
7.30 0.72 189.00 33.66 885.67 3.79 7.43 0.49 1.23
SE+ 0.01 0.01 0.79 0.45 2.04 0.02 0.02 0.01 0.01
CD at 5% NS NS 2.29 1.31 5.89 NS NS NS NS
Initial Values (2013-14) 8.1 0.49 137 11.5 592 2.95 12.6 0.49 0.50
References
Nishimura, Y. 1994. An improved technology of rainfed farming in the semi arid tropics.
Japanese J. Trop. Agri. 38:103
Reddy, G. S., Venkateshwaralu, B., and. Vittal, K. P. R. 1991. Effect of substitution of
fertilizer nitrogen with subabul (Leucaena leucocephela) leaves on growth and yield of
sorghum (Sorghum bicolor) in an alfisol. Indian J. Agril. Sci. 61:316.
Sharma, R. A. 1992. Efficient water use and sustainable production of rainfed soybean and
safflower through conjunctive use of organic and fertilizers. Crop. Res.181.
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