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国内外研究资料表明,人工种植优良牧草,是改良退化草地工省效宏的有力措施,对发展牧业,壮大农村经济有着不可低估的作用。我们在黑龙江省西部地区进行了退化草地的改良研究工作。一、引种选适于当地生长条件的优质牧草品种进行引种。在退化草地上划区,设牧草品种鉴定圃,对新疆大叶苜蓿、三叶草、草木樨、沙打旺、狐毛草、羊草进行产量和抗逆性能鉴
Domestic and foreign research data show that artificial planting fine forage is a powerful measure to improve macroeconomic efficiency of degraded grassland, which can not underestimate the development of animal husbandry and rural economy. We conducted a study on the improvement of degraded grassland in the western region of Heilongjiang Province. First, the introduction of selected suitable for the growth of local conditions for the introduction of high quality forage species. In degenerated grassland zoning, identification of forage species nursery, Xinjiang leaf clover, clover, grass mulberry, Astragalus adsurgens, Fox grass, Leymus chinensis yield and resistance performance