抚育施肥措施对毛竹林笋产量的影响及效益分析

在毛竹林5个区组内分别采取劈杂(X2)、劈杂+施肥(X3)、劈杂+深翻+施肥(X4)和对照(X1)4种处理措施,翌年测定各处理小区春笋产量并进行经济效益分析。结果表明,竹笋产量在各处理间有极显著差异,在各区组间差异不显著。4种处理措施中,X4、X3与X1、X2之间竹笋产量差异极显著,X4与X3之间差异显著、X1与X2之间差异不显著,表明劈杂对竹笋产量影响有限,施肥和深翻均能显著促进竹笋增产。经济收益以X4为最大,每公顷可增加收益3475.5元,明显高于X3和X2,说明抚育施肥可以取得显著的经济效益。

Effect of tending fertilization on the shoot yield of mao bamboo plantation and its benefits analysis

Four treatments such as brush cutting(X2),brush cutting plus fertilization(X3),brush cutting plus deep tillage plus fertilization(X4) and the control(X1) were conducted respectively in the 5 blocks of mao bamboo,Phyuostachys heterocycla,plantation.In the next spring,the shoot yields in the blocks were measured and their economic effects were analyzed.The results showed that the shoot yields were extremely significantly different between treatments but insignificantly different between blocks.Among 4 treatme...