Why treating soil acidity crop by crop is no longer enough for prairie farmers
To protect their future harvests, Western Canadian farmers need to manage soil acidity across their entire multiyear rotation rather than crop by crop, long-term research from the University of Alberta suggests.
该研究用1980—2020年Breton Plots数据证明,对豆科牧草施石灰可通过提升固氮间接惠及后茬谷物,提示酸化治理应放在多年轮作尺度上核算投入产出。