Effects of Single Basal Fertilizer Application on Yield and Nutrient Absorption of Rice

doi:10.11924/j.issn.1000-6850.casb15080078

Abstract

Abstract: A field experiment was conducted to determine the effects of single basal fertilizer application on growth of rice, and then to clarify whether single basal fertilizer application could achieve high-yield production as conventional split fertilization and its mechanism. The effects of single basal application of conventional quick-acting fertilizer, nitrification inhibitor DCD type stable fertilizer, nitrification inhibitor DMPP type stable fertilizer and resin-coated controlled-release fertilizer on yield, components of yield, dynamic of tiller, photosynthetic rate during grain filling stage and the contents of N, P and K in the main growth stages of rice were studied in this experiment, and the conventional split fertilization was served as the control. The results showed that single basal application of slow/controlled-release fertilizers satisfied the absorption of N, P, and K in different growth stages, increased tiller number, panicles, grain number, photosynthetic rate and carbon-nitrogen metabolism, thus improved or maintained the normal grain yield. The results showed that single basal application of slow/controlled-release fertilizers could improve or maintain normal yield as split fertilization due to the increase or maintenance of panicles and grain number on the basis of ensuring normal 1000-grain weight and setting rate.

CLC Number:

S 145.5

Zhang Mu,Tang Shuanhu,Huang Xu,Li Ping and Fu Hongting. Effects of Single Basal Fertilizer Application on Yield and Nutrient Absorption of Rice[J]. Chinese Agricultural Science Bulletin, 2016, 32(3): 1-7.

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