化肥减量配施有机肥对植烟土壤及烤烟根系生长的影响

钟国兴, 杨欣, 张少搏, 郭维, 杨启航, 李淮源, 陈建军, 陈晓恒, 黄瑞寅, 邓世媛

Effects of Chemical Fertilizer Reduction Combined with Organic Fertilizer on Tobacco-Planting Soil and Root Growth of Flue-Cured Tobacco

Zhong Guoxing, Yang Xin, Zhang Shaobo, Guo Wei, Yang Qihang, Li Huaiyuan, Chen Jianjun, Chen Xiaoheng, Huang Ruiyin, Deng Shiyuan

表1 试验设计及施肥量

Table 1 Experimental design and fertilization amount kg/hm2

处理 Treatment N P2O5 K2O 芝麻饼肥 Sesame cake fertilizer 腐殖酸肥 Humic acid fertilizer CK 147.0 142.0 483.0 0.0 0.0 T1 132.3 127.8 434.7 0.0 0.0 T2 132.3 127.8 434.7 600.0 0.0 T3 132.3 127.8 434.7 0.0 450.0 T4 132.3 127.8 434.7 600.0 450.0