毛竹低产林施肥效果研究

Effects of fertilization in low-yielding forests of Phyllostachys pubescens

研究通过对低产毛竹林进行不同氮、磷、钾比例配方施肥试验,结果显示:(1)和未施肥的相比,施肥的毛竹林春笋产量极显著增加;(2)每667㎡施复合肥50㎏的产量最高,达到419kg;(3)从效益测评看,6种不同氮、磷、钾配比施肥均能取得较好的效益,其中氮、磷、钾配比为5:2:1时效益最高,每667㎡可增加收入655元,投入产出效益最明显,具有显著的经济效益。

In this study, we use different nitrogen, phosphorus and potassium proportion formulafertilization experiment on low yield bamboo forest. The results showed that:(1) compared with nofertilization, fertilization significantly increased the yield of bamboo shoots. (2) The highest yield isfertilizer with 50kg compound fertilizer per 667 m2, Reached 419kg.(3) From the benefit evaluation, 6different kinds of nitrogen, phosphorus and potassium ratio can obtain good benefits, the highestbenefit is when the ratio of nitrogen, phosphorus and potassium is 5:2:1, In this condition, the Input andoutput efficiency is the most obvious and has significant economic benefits that every 667 m2 canincrease the income of 655 RMB.