有机肥与土壤调理剂对连作甘薯生长发育及土壤肥力的影响

刘亚军, 逯昀, 王文静, 胡启国, 储凤丽, 李志杰

Effects of Organic Fertilizer and Soil Conditioner on the Growth and Development of Continuous Cropping Sweet Potato and Soil Fertility

Liu Yajun, Lu Yun, Wang Wenjing, Hu Qiguo, Chu Fengli, Li Zhijie

表5 鲜薯产量及光合特性指标与土壤酶活性之间的相关分析

Table 5 Correlation analysis between fresh sweet potato yield, photosynthetic characteristics indicators and soil enzyme activities

指标 Index 产量 Yield SPAD Pn Ure CAT Suc Apho 产量 Yield 1.000 SPAD 0.862** 1.000 Pn 0.894** 0.930** 1.000 Ure 0.732* 0.857** 0.904** 1.000 CAT 0.594 0.728* 0.718* 0.506 1.000 Suc 0.607 0.413 0.474 0.451 0.390 1.000 Apho 0.529 0.705* 0.601 0.578 0.538 0.418 1.000