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Journal of the Indian Society of Soil Science
Year : 1980, Volume : 28, Issue : 2
First page : ( 162) Last page : ( 169)
Print ISSN : 0019-638X. Online ISSN : 0974-0228.

Green-manuring in Combination with Fertilizer Nitrogen on Rice under Double Cropping System in an Alluvial Soil

Tiwari K.N., Paihak A.N., Ram Hari

Department of Soils and Agricultural Chemistry, C.S. Azad University of Agriculture and Technology, Kanpur, (Uttar Pradesh)

Received:  October,  1978; Accepted:  December,  1979.

Abstract

The direct and carryover effect of green-manuring on upland rice under rice-wheat rotation in a light textured alluvial soil was studied for two years. Beneficial effect of green-manuring alone and in combination with fertilizer N on grain yield and uptake of N, P and K by rice and also availability of these nutrients in soil was noticed. Green-manuring plus 40 kg N/ha compared well with 120 kg N/ha alone. Transplanting rice just after ploughing down the green-manure crop or after 15 days' time allowed for decomposition did not make significant difference. Residual fertility due to green-manuring increased yield of the succeeding wheat crop significantly.

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Keywords

Green-manuring, nitrogen fertilization, rice-wheat cropping sequence, nutrient availability in soil.

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