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

Article Id: ARCC3716 | Page : 79 - 86
Citation :- EFFECf OF ORGANIC AND INORGANIC SOURCE OF NITROGEN ON GROWfH, YIElD AND NUTRIENTS UPTAKE UNDER COWPEA-UNSEED CROPPING SYSTEM.Legume Research-An International Journal.2005.(28):79 - 86
V.K. Sharma· and B. Dayal
Address : Department of Agricultural Chemistry aud Soil Science, RBSCollege, Bichpuri, Agra - 283 lOS,lndia

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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