水稻基肥不同施肥方法对产量影响

Impacts of Basal Fertilization Methods on Yield in Rice

对水稻基肥不同施肥方法进行了试验研究,结果表明:旱整地全层施基肥与氮肥比例(基肥∶蘖肥)4∶3的互作增产效果明显,能合理、持久、有效保持土壤供肥能力,提高肥料利用率,满足水稻各生育阶段对养分的吸收,获得了9870kg/hm2的产量,较其它互作组合增产389～2657kg/hm2,增产幅度4.1%～37%。

An experiment of different basal fertilization method in rice was conducted and the results showed that the interaction had a significant yield increase when the ratio of whole plough layer basal fertilization with dry tilling to additional nitrogen application at tillering stage was 4： 3. This kind of fertilization method could increase reasonable, lasting and effective soil fertility maintenance ability, enhance fertilizer utilizing efficiency, and meet the nutrient absorption requirement at different rice growth stage. The yield by this method reached 9 870 kg/hm^2 and was more than those of other interaction combination by 389-2 657 kg/hm^2 with increase by 4.1%-37%.