Effects of Degradable Mulching Film and Controlled-release Fertilizer on Growth and Yield of Ratoon Rice

doi:10.11924/j.issn.1000-6850.casb16030146

Abstract

Abstract: The objective is to explore cleaner and more efficient rice film mulching cultivation technology. The plot experiment method was carried out to study the optimal combination of the degradable mulching film replacing conventional plastic film, one-time application of different dosages of controlled release fertilizer with“middle-season rice ratoon rice”. The results showed that the effect of degradation mulching film and ordinary non-degradable film on the yield of two-season rice was not significantly different. The yield of main crop under the treatment of 150 kg/hm2 N was the highest using controlled-release fertilizer by single basal application, while the total yield of the middle-season rice ratoon rice reached the maximum at 225 kg/hm2 N. Therefore, the new rice cultivation technology involving degradable mulching film, controlled-release nitrogen fertilizer and ratoon rice is a clean one which could achieve high-yield and high-efficiency.

CLC Number:

S511

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