【作者】 孙洪仁； 曹影； 刘琳； 吴雅娜； 杨晓洁； 赵雅晴；

【Author】 SUN;Hong-ren;CAO Ying;LIU Lin;WU Ya-na;YANG Xiao-jie;ZHAO Ya-qing;Institute of Grassland Science,China Agricultural University;

【机构】 中国农业大学草地研究所；

【摘要】 本文系统地阐述了紫花苜蓿施肥的理论与技术,内容包括紫花苜蓿养分需求规律、土壤养分供应规律、肥料养分含量、肥料当季利用率、施肥量确定方法、紫花苜蓿土壤养分丰缺指标体系、测土定肥、施肥原则、施肥时期、施肥次数、施肥方法等。更多还原

【Abstract】 The fertilization theory and technology of alfalfa were systematically explained in this paper.The content include nutrients requirement law of alfalfa,nutrients supply law of soil,nutrient contents of fertilizer,fertilizer use efficiency in current season,determining method of fertilizer application rate,soil nutrient abundance-deficiency index system for alfalfa,soil testing and fertilizer recommendation,fertilization principle,fertilization period,fertilization frequency,fertilization method,etc.更多还原