不同施锌方式对水稻生长的影响

摘要：

为研究不同施锌方式对水稻生长的影响,本研究在浙江省稻田试验点开展试验。试验分别就不同施肥量、不同水稻品种、不同肥料种类对水稻施锌效果的影响开展研究,以不施锌肥处理为对照,对比不同处理对水稻生长、籽粒产量及养分含量的影响。结果表明,适量施用锌肥可以促进水稻生长,增加水稻产量及籽粒养分含量,但过量施锌会导致肥效下降。施锌增产效果还受水稻品种、施肥方式的影响,无机锌肥适宜作基肥,有机锌肥适宜以叶面肥形式追施,基施与叶面喷施组合施用增产效果最佳。

关键词: 锌肥, 水稻, 产量

Abstract:

In order to study the effects of different zinc application methods on rice growth, experiments were carried out in three paddy field experimental sites in Zhejiang Province. The effects of different fertilization rates, different rice varieties and different fertilizers on the zinc application in rice were studied, and the effects of different treatments on rice growth, grain yield and nutrient content were compared with the treatment without zinc fertilizer. The results showed that the appropriate application of zinc fertilizer could promote the growth of rice, increase the yield and nutrient content of rice, but excessive zinc application would lead to the decrease of fertilizer efficiency. The effect of zinc application to increase yield was also affected by rice varieties and fertilization methods, inorganic zinc fertilizer was suitable for basal fertilizer, organic zinc fertilizer was suitable for foliar fertilizer application, and the combination of basal application and foliar spraying had the best effect on yield increase.

Key words: zinc fertilizer, rice, yield

中图分类号: 

S511.5

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