长汀烟区植烟土壤肥力适宜性综合评价及空间分布研究

张瑛, 王海洋, 姜林, 郭学清, 钟小丽, 张星, 卢敏娇, 姬小明, 杨晓朋, 吴树松

Comprehensive Evaluation and Spatial Distribution of Soil Fertility Suitability in Changting Tobacco-Growing Area

Zhang Ying, Wang Haiyang, Jiang Lin, Guo Xueqing, Zhong Xiaoli, Zhang Xing, Lu Minjiao, Ji Xiaoming, Yang Xiaopeng, Wu Shusong

表9 土壤肥力评价指标权重

Table 9 Weight of soil fertility evaluation indicators

指标 Index 抛物线型Parabola-type S型S-type pH 有机质 Organic matter (g/kg) 碱解氮 Alkali-hydrolyzable N (mg/kg) 水溶性氯 Water soluble Cl (mg/kg) 速效磷 Available P (mg/kg) 速效钾 Available K (mg/kg) 交换性钙 Exchangeable Ca (mg/kg) 交换性镁 Exchangeable Mg (mg/kg) 公因子方差 Common factor variance 0.518 0.703 0.803 0.706 0.608 0.552 0.764 0.608 权重Weight (%) 14.13 11.44 12.55 14.29 11.70 9.25 13.41 13.22