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Research on Crops
Year : 2018, Volume : 19, Issue : 2
First page : ( 163) Last page : ( 168)
Print ISSN : 0972-3226. Online ISSN : 2348-7542.
Article DOI : 10.5958/2348-7542.2018.00025.6

Studies on nutrient uptake of crop and residual soil fertility affected by planting time, organic sources of nutrient and LCC based N application under SRI

Sen Dhiman*, Maity Swapan Kumar, Mukhopadhyay Prabir1

Department of Agronomy, Institute of Agriculture Visva-Bharati, Sriniketan-731 236 (West Bengal), India

1Department of Soil Science & Agricultural Chemistry, Uttarbanga Krishi Viswavidyalaya, Pundibari-736 165, Cooch Behar (West Bengal), India

*e-mail: sendhiman@rediffmail.com

Online published on 18 July, 2018.


Current study was set up to find out how nutrient uptake and residual soil fertility responded to planting time, organic sources of nutrient and LCC based N application. There were total 20 treatments. Eighteen treatments were comprised of factorial combinations of two planting times (i. e. at two-leaved stage and three to four-leaved stage), three organic sources (FYM 10 t/ha, FYM 5 t/ha, FYM 5 t/ha+Azospirillum) and three N applications (blanket split, LCC at 3 and at 4). There were two absolute controls under each planting stage. Uptakes of N, P and K were significantly higher under two leaved stage treatment. In respect of nutrient uptake, FYM 10 t/ha was observed better than half of its doses with or without Azospirillum through application of Azospirillum with FYM 5 t/ha was responded positively than FYM 5 t/ha alone. There was positive response from LCC based N management to obtain higher N, P and K uptakes. Soil pH, organic carbon and available N were not significantly influenced by planting time and methods of N application treatments. Organic carbon was also not influenced by organic sources. Available P2O5 and K2O significantly responded to planting time, organic sources and methods of N application.



N management, nutrient uptake, organic sources, planting time, soil fertility, SRI.


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