摘要
１９８８年在宁夏西吉县设立草地改良试验示范区，依据草地立地条件，结合春季抢墒播种，选用多年生优良牧草，改良干草原草地，分别建植成红豆草草地、沙打旺草地、老芒麦草地三种人工草地及半人工草地，共计１５００亩，大幅度提高了草地初级生产力，生态经济效益显著。
The exemplary areas for experiment were esteblished in Xiji County,Ningxia in 1988,according to the condition for esteblishing grassland,in combination with rushplant in damp soil of spring, selecting the good perennial grass to improve desert grassland esteblishes the grassland of sainfoin,sedge and siberian wilddrye,three artificial and semiartificial grasslands,counting up to 100 ha.The primary productivity of grassland had been raised greatly,the evological economic benifit was significant.
出处
《宁夏农学院学报》
1996年第1期57-61,共5页
Journal of Ningxia Agricultural College
关键词
干草原
草地改良
人工草地
初级生产力
dry grassland
improvement of grassland
artificial grassland
semiartificial grassland
primary productibility of grassland
