杨树平衡施肥效应研究

Study on Effect of Balance Fertilization for Populus. sp

摘要:

在江汉平原进行了杨树人工林平衡施肥试验、示范及经济效益分析,结果表明:平衡施肥能明显促进杨树生长,不同施肥配方间,以N150P50K100施用效果最好,与对照相比,其材积增幅达到了83.1%,示范林平均净增收达6 177.00元/hm2,经济效益十分可观.

Abstract:

The balance fertilization test,demonstration and economic benefits trees in Jianghan plain were carried out. The results showed that the balance analysis on Populus artificial fertilization can promote the growth of Populus remarkably,N150 P50 K100 applied were the best one among different fertilization formula. Applying the best formula, Populus timber volume increased 83.1% compared with CK,average net income of the demonstrate forests increased 6 177.8 yuan per hm^2 with significant economic benefits.