【摘要】 对山地中不同坡位板栗林进行施肥量、土壤养分、板栗株产量的相关关系进行研究,结果表明:有机质、速氮、速磷和速钾4个土壤养分因子对板栗株产都有显著的相关关系,其中以有机质对板栗株产量影响最为显著;4种土壤养分因子之间存在着相互联系、相互影响、相互作用的关系;复合肥的施用对板栗株产影响达显著水平,其中,复合肥1.5kg/株施用量的板栗株产是空白对照的4.25倍,适宜的施肥量为0.75~1.00kg/株;坡位对板栗产量影响明显,其产量高低次序为中坡>下坡>上坡。更多还原

【Abstract】 Relationship was analyzed between fertilizer,soil nutrient and chestnut yield of Castanea mollissima stand at different slope positions.The result showed that organic matter,nitrogen,phosphorus and potassium had significant correlation with chestnut yield,especially organic matter.These four nutrient factors had interrelation and interaction effect.Application of compound fertilizer had evident effect on chestnut yield.Tree fertilized with 1.5 kg compound fertilizer had 4.25 time yield of the control.The result indicated that the optimal fertilization was 0.75-1.0kg/tree.Slope positions had evident effect on chestnut yield,ordered by middle slope>lower slope>upper slope.更多还原