有机质施用量对马铃薯产量及氮、磷、钾养分吸收利用的影响

阳新月, 向颖, 陈子恒, 林茜, 邓振鹏, 周克友, 李明聪, 王季春

Effects of Organic Matter Application Rate on Yield and Nitrogen, Phosphorus and Potassium Nutrient Absorption and Utilization in Potato

Yang Xinyue, Xiang Ying, Chen Ziheng, Lin Qian, Deng Zhenpeng, Zhou Keyou, Li Mingcong, Wang Jichun

表1 试验地土壤基础肥力状况

Table 1 Soil basic fertility in experimental field

地点 Site 土壤类型 Soil type 碱解氮 Alkaline-hydrolytic N (mg/kg) 有效磷 Available P (mg/kg) 速效钾 Available K (mg/kg) 有机质 Organic matter (g/kg) pH 歇马Xiema 沙壤土 96.13 95.49 130.33 34.51 5.48 尖山Jianshan 沙壤土 22.63 7.29 67.92 9.28 6.52