EFFECT OF BLACK GRAM GENOTYPES AND NITROGEN LEVELS ON PERFORMANCE OF MAIZE + BLACK GRAM INTERCROPPING SYSTEM UNDER MID-HILL CONDITIONS OF HIMACHAL PRADESH
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Date
2018
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CSKHPKV, Palampur
Abstract
A field experiment was conducted during Kharif season of 2017 to study the effect of black gram genotypes and nitrogen levels on performance of maize + black gram intercropping system at the Research Farm, Department of Agronomy, Forages and Grassland Management, CSKHPKV, Palampur. The experiment was laid out in randomized block design comprising of five genotypes (Him mash-1, DKU-118, DKU-82, DKU-98and DKU-99), two nitrogen levels (50 % and 100% recommended dose of nitrogen) and two sole crops (maize and black gram). Experimental site was silty clay loam in texture, acidic in reaction, low in available nitrogen, and medium in available phosphorus and potassium. Significantly higher absolute growth rate and plant height of maize were recorded in maize + DKU-118 followed by maize + Him mash-1 intercropping system. The highest dry matter accumulation, number of cobs per plant, grain yield, stover yield and biological yield of maize was recorded in maize + Him mash-1intercropping system. Maize + Him mash-1 intercropping system also resulted in significantly higher values of plant height, absolute growth rate, dry matter accumulation, relative growth rate, number of seeds per pod, grain yield, straw yield and biological yield of black gram. The treatment 100 % recommended dose of nitrogen recorded significantly higher values of growth & yield attributes and yields. Maize + Him mash-1+100 % recommended dose of nitrogen significantly resulted in higher maize equivalent yield, land equivalent ratio, productivity, gross returns, net returns, B:C ratio and profitability followed by maize + DKU-99 + 100 % recommended dose of nitrogen. Him mash-1 and DKU-99 were found to be equally good for intercropping with maize under mid-hill conditions of Himachal Pradesh.
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