Research on the Apply Fertilizer Technique of Reserved Maternal Plant Culture of Asparagus in South China

The reserved maternal plant culture of asparagus was applied by N P K.Its econo-reasonable rates were N 52kg,P2O5 13 kg and K2O 47 kg.N : P2O5 : K2O is 1 : 0.25: 0.9 in raing and high temperate climate in wet sand soil in asparagus garden plot.30% total application was applied before and stop of picking asparagus respectively.40% of total topdressing is best in picking period.This fertilizer of N P K gives biggest effectivity on asparagus yield.It can gain best economic effect.