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2 试验处理及施肥量

Table 2 Experimental treatments and fertilization amount kg/hm2

处理 Treatment 施用量Application amount 总有效养分量折算Total effective nutrient conversion 有机肥Organic fertilizer N P2O5 K2O 有机质Organic matter N P2O5 K2O T0 0 0 0 0 0 0 0 0 T1 0 225 113 300 0 225 113 300 T2 1875 214 84 298 975 225 113 300 T3 3750 203 56 296 1950 225 113 300 T4 5625 191 28 294 2925 225 113 300 T5 7500 180 0 293 3900 225 113 300