摘要
通过研究提出了三江平原瘠薄白浆土壤退耕还牧、种植多年生牧草建立人工草场的有效途径为确定适宜的优良草种、适宜的刈割时期和合理施肥。明确了种植多年生牧草尤其是豆科牧草改良瘠薄白浆土的效果及其后效。分析了牧草─奶牛─粪肥这一生态体系的经济效益。
In this paper,in accordance with the situation of poor lessive soil in Sanjiang Plain,Suggestion was put forward planting perennial forages and establishing artificial grass-land by selecting suitable forages suitable cutting time and rational application of fertiliz-er.It had been cleared that effects of planting perennial forages,particularly legumes,to improve the soil and increase yield of following crop.The economic effects of such e-cosystem was analysed.
出处
《中国草地》
CSCD
1994年第6期16-20,共5页
Grassland of China
基金
国家"七五"科技攻关项目
