improved grassland

基本解释

The results indicate:1. In alpine region, the productivity of the grassland can be improved by establishing mixture grassland of cultivated perennial grasses.
结果表明：1．在高寒地区，通过建植多年生混播禾草人工草地可达到提高草地生产力的目的。
In this study, the genetic polymorphism of Grassland Red Cattle(GLRC) and its improved hybrid by Limousine(LM)in 8 Microsatellite loci were analyzed with the techniques of molecular biology.
运用分子生物学技术，分析了草原红牛、草原红牛与利木赞杂交后代群体在8个微卫星座位的遗传多态性。
Bright spots were also identified in the study in cases where land is being used sustainably (19% of cropland) or is showing improved quality and productivity (10% of forests and 19% of grassland).
该项研究亦发现了一些亮点，即土地得到可持续利用（19%的农田）或质量和生产力有所改善（10%的森林和19%的草原）的。