施肥对珍珠番石榴生理性状和产量的影响

Effects of fertilization on the yield and physiologic character of Pearl-Guava

对二年生树龄的珍珠番石榴配方施肥试验研究,结果表明:施肥处理可以增加梢长、提早开花、增加花蕾数、提高座果率和显著的增产效果。本试验中以有机肥和无机肥配合效果较好,即鸡粪5 kg+尿素0.26 kg+钙镁磷肥1.1 kg+氯化钾0.34 kg配比为较好。

The study focuses on the fertilizer prescription for Pearl-guava （Psidium guava L. ） of two years old. The results are as follows.it can lengthen the branches, make blossoms flower earlier, increase the number of bud, raise fruitage rate and enhance a remarkable yield. According to the trial, the fertilizer prescription of “dung of chicken 5 kg, urea 0.26 kg, Ca-Mg-P 1.1 kg, Potassium chloride 0.34 kg/plant” is the best.