控释肥简化施肥技术在早稻上的应用

Application of the Controlled-Release Fertilizer Simplified Fertilization Technology on Early Rice

为探索控释肥在早稻简化施肥方面的有效性,实现化肥施用减量、施肥次数减少而农作物不减产,农户生产节本增效,对控释肥简化施肥技术在早稻上的应用进行研究。结果表明,控释肥不同基肥施用量对水稻分蘖产生不同结果,而其肥效期较长又使得水稻生长后期肥效供应有保障,从而对提高结实率和千粒重有促进作用。茂施控释肥底肥一次性施用600 kg/hm^(2),能实现单位面积增产4.9%,增收约1 235.88元/hm^(2),且单位重量稻谷施肥成本最低。

In order to explore the effectiveness of controlled-release fertilizer in simplified fertilization of early rice,reduce the application ofchemical fertilizer and the times of fertilization without reducing the yield of crops,and save the cost and increase the efficiency of farmers’ production,the application of controlled-release fertilizer simplified fertilization technique on early rice was studied.The results showed that con-trolled-release fertilizer had different effects on rice tillers under different basal fertilizer application rates,and its long period of fertilizer effi-ciency ensured the supply of fertilizer efficiency at the later growth stage of rice,which promoted the improvement of seed setting rate and1 000-grain weight.Maoshi brand controlled-release fertilizer can increase yield by 4.9% per unit area,increase income by 1 235.88 yuan/hm^(2),and the cost of applying fertilizer per unit weight of rice is the lowest.