Legume Research

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Legume Research, volume 28 issue 2 (june 2005) : 79 - 86

EFFECf OF ORGANIC AND INORGANIC SOURCE OF NITROGEN ON GROWfH, YIElD AND NUTRIENTS UPTAKE UNDER COWPEA-UNSEED CROPPING SYSTEM

V.K. Sharma·, B. Dayal
1Department of Agricultural Chemistry aud Soil Science, RBSCollege, Bichpuri, Agra - 283 lOS,lndia

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Cite article:- Sharma· V.K., Dayal B. (2024). EFFECf OF ORGANIC AND INORGANIC SOURCE OF NITROGEN ON GROWfH, YIElD AND NUTRIENTS UPTAKE UNDER COWPEA-UNSEED CROPPING SYSTEM. Legume Research. 28(2): 79 - 86. doi: .

ABSTRACT

The field experiment was conducted to study the effect of organic manures on crop performance and soil properties. The maximum piant height at 45 days, number of branches/plant, and dry matter yield of cowpea were recorded with treatment CT4 (37.5 kg N/ha) in 1992 and CT16 (22.5 kg N/ha) in 1993. The maximum plant height at 45 days, number of tillers/plant, capsules/plant, dry matter production and grain and straw yield of linseed crop were recorded with LT16 (FYM 7.5 t + 37.5 kg N/ha) in 1992–93 and 1993–94. The maximum uptake of N, P and K by cowpea plant was noted with CT4 (37.5 kg N/ha) in 1992 and CT16 (22.5 kg N/ha) in 1993. But, sulphur uptake by cowpea plant was the highest under CT4 (37.5 kg N/ha) in 1992 and 1993. The maximum uptake of N (grain and strawl, P and K by straw of linseed was recorded with LT16 (FYM 7.5 t + 37.5 kg N/ha) in 1992–93 and 1993–94. Whereas, uptake of sulphur by linseed was the highest with LT16 (FYM 7.5 t + 37.5 kg N/ha) in 1992–93 and LT4 (75 kg N/ha) in 1993–94. Although, the uptake of P and K was similar in linseed grain with the treatment LT13(FYM 6 t +30 kg N/ha) and LT(FYM 7.5 t + 37.5 kg N/ha) in 1992–93. FYM was found superior to dhaincha and subabul.

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