寒地黑土农区紫花苜蓿生产与品质对施肥和刈割频次的响应及效益分析

巩皓,杨柳,李丹丹,刘国富,肖知新,吴清莹,崔国文

Response of Alfalfa Production and Quality to Fertilization and Cutting Frequency and Benefit Analysis in Mollisol Agricultural Area in Cold Region

GONG Hao,YANG Liu,LI DanDan,LIU GuoFu,XIAO ZhiXin,WU QingYing,CUI GuoWen

表5 施肥和刈割频次对紫花苜蓿营养品质影响的双因素方差分析

Table 5 Two-way ANOVA on the effects of fertilizing and cutting frequency on the nutritional quality of alfalfa

粗蛋白 CP (%) 中性洗涤纤维 NDF (%) 酸性洗涤纤维 ADF (%) 钙 Ca (%) 粗脂肪 EE (%) 粗灰分 Ash (%) 施肥Fertilizer <0.001*** <0.001*** <0.001*** <0.001*** <0.001*** <0.001*** 刈割频次Cutting frequency 0.052ns 0.064ns 0.259ns <0.001*** <0.001*** 0.012* 施肥×刈割频次Fertilizer×cutting frequency 0.534ns 0.024* 0.004** 0.07ns 0.393ns 0.503ns