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2001•Indian Journal of AgronomyOpen access

Effect of irrigation and fertilizer on yield, water-use efficiency and nutrient uptake of summer groundnut (Arachis hypogaea)

VlNOD KUMAR, Bidhan Ghosh, RAVl BHAT, S. Karmakar

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Abstract

. An experiment conducted was during summer 1993 and 1994 at Kharagpur, to study the influence of fertilizer and,water on yield, water-use-efficiency and nutrient uptake In J 1 1 groundnut (Arachis hypogaea L.). Signlficant Increase In pod yleld was recorded at IW : CPE ratio 0.60, with an average yield of 1,903 kg/ ha. Among the fertilizer treatments, the crop responded signlflcantly at fertilizer level of 30 kg N, 60 kg P20, and 30 kg K20/ha and increase in yleld was 30% hlgher than lower level. Water-use efficiency was also Increased at IW : CPE -- ratio of 0.60 and nutrient level of 30 kg N, 60 kg P205 and 30 kg &O/ha. Uptake of NPK was higher up to 0.8 lW :CPE ratio and fert~l~zer level of 30 kg N, 60 kg P20, and 30 kg &O/ha.

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. An experiment conducted was during summer 1993 and 1994 at Kharagpur, to study the influence of fertilizer and,water on yield, water-use-efficiency and nutrient uptake In J 1 1 groundnut (Arachis hypogaea L.). Signlficant Increase In pod yleld was recorded at IW : CPE ratio 0.60, with an average yield of 1,903 kg/ ha. Among the fertilizer treatments, the crop responded signlflcantly at fertilizer level of 30 kg N, 60 kg P20, and 30 kg K20/ha and increase in yleld was 30% hlgher than lower level. Water-use efficiency was also Increased at IW : CPE -- ratio of 0.60 and nutrient level of 30 kg N, 60 kg P205 and 30 kg &O/ha. Uptake of NPK was higher up to 0.8 lW :CPE ratio and fert~l~zer level of 30 kg N, 60 kg P20, and 30 kg &O/ha.

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Available abstract

. An experiment conducted was during summer 1993 and 1994 at Kharagpur, to study the influence of fertilizer and,water on yield, water-use-efficiency and nutrient uptake In J 1 1 groundnut (Arachis hypogaea L.). Signlficant Increase In pod yleld was recorded at IW : CPE ratio 0.60, with an average yield of 1,903 kg/ ha. Among the fertilizer treatments, the crop responded signlflcantly at fertilizer level of 30 kg N, 60 kg P20, and 30 kg K20/ha and increase in yleld was 30% hlgher than lower level. Water-use efficiency was also Increased at IW : CPE -- ratio of 0.60 and nutrient level of 30 kg N, 60 kg P205 and 30 kg &O/ha. Uptake of NPK was higher up to 0.8 lW :CPE ratio and fert~l~zer level of 30 kg N, 60 kg P20, and 30 kg &O/ha.

Key concepts: Arachis hypogaea, Agronomy, Irrigation, Nutrient, Yield (engineering), Fertilizer, Environmental science, Biology

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