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Title: Integrated nutrient management in rice (Oryza sativa)-wheat (Triticum aestivum) cropping system
Authors: Kumar, Vijay
Singh, O P
Kumar, Virendra
Issue Date: Dec-2007
Publisher: CSIR
Abstract: To study the effect of organic manures and chemical fertilizers in rice under western Uttar Pradesh conditions a field experiment was conducted at the research farm of Janta Vedic College, Baraut, District Bagpat (U.P.) during the rainy and winter seasons of 2003-04 and 2004-05 with rice-wheat cropping system Incorporation of organic manures (FYM, poultry manure and FYM + poultry manure) significantly recorded higher crop growth, yield and yield attributes of rice as compared to control Organic manures increased the mean grain yield of rice by 16.1 to 18.8% over control. However, farm yard manure, poultry manure and FYM + poultry manure produced growth and yield of rice at par. Results revealed that the combined use of farm yard and poultry manure fetched maximum mean net returns of Rs 14,755 in rice cultivation. In reference to chemical fertilizers the maximum mean grain yield of rice (45.4 q/ha) was observed with N₁₂₀P₆₀Zn₂₅ kg/ha. Based on two years experiments, maximum mean nitrogen uptake (94.9 kg/ha) was recorded under combined use of farm yard and poultry manures. Incorporation of organic manures caused improvement in organic carbon and available nitrogen content of soil after crop harvest as compared to control.
Page(s): 37-43
ISSN: 0771-7706
Source:BVAAP Vol.15(1) [June 2007]

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