Effect of integrated nutrient management on soil and physiological properties in pearl millet-wheat cropping system
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Date
2011
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Publisher
CCSHAU
Abstract
The field experiment entitled “Effect of integrated nutrient management on soil and
physiological properties in pearl millet-wheat cropping system” was conducted during the year 2010-
11 at Agronomy Research Farm of CCS Haryana Agricultural University, Hisar (India). The
experiment consisting of twelve treatments was laid out in randomized block design with four
replications. Soil fertility status was observed better with integrated nutrient management treatments
particularly where 50% N was substituted with FYM in pearl millet and 100 RD-NPK in wheat as
compared to chemical fertilizer treatments. In pearl millet crop, treatment T6 (50% RD-NPK + 50% N
through FYM in pearl millet and 100% RD-NPK in wheat) exhibitedhighest photochemical quantum
yield and chlorophyll content in leaves. Yield contributing characters and in yields (grain and straw)
were also recorded highest in treatment T6. Grain and stover yields of pearl millet increased with
progressive increase in inorganic fertilizer dose. In pearl millet-wheat cropping system total N,P and K
uptake by both grain and straw in pearl millet was higher in integrated nutrient management treatments
as compared to inorganic fertilizer treatments.In wheat crop, treatment T6 exhibitedhighest
photochemical quantum yield and chlorophyll content in leaves. Yield contributing characters and
yields (grain and straw) were also recorded highest in treatment T6. Grain and straw yields of wheat
increased with progressive increase in inorganic fertilizer dose. In pearl millet-wheat cropping
sequence total N, P and K uptake by both grain and straw in wheat was higher in integrated nutrient
management treatments as compared to inorganic fertilizer treatments.
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Keywords
Pearl millet, Wheat, Cropping system, Nutrients, Physiological properties, Yield, Nutrient uptake