志丹水土保持型优良牧草引种试验生长状况调查

摘要

本文对从美国、加拿大、中国内蒙古引进的25种牧草品种在志丹县的生长状况进行了比较研究,目的在于确定各种牧草的适应性,评定牧草的产量和质量,从而筛选出适合当地生长的优良牧草,既满足生产需要,为建立大面积高产、优质的人工牧草提供依据,同时又为水土保持造林种草提供优良品种。研究结果表明：经过多年驯化筛选,这25个牧草品种均表现出良好的生长趋势或生态作用,同时具有良好的牲畜适口性,值得进一步推广种植。%The comparative study on the growth conditions of 25 varieties of pasture species introduced from the United States,Canada,and Inner Mongolia to Zhidan county were carried out for the purpose of determining the adaptability and assessing the output and quality of various pastures so as to select the proper pastures to meet the production of good quality.The experiment result showed that that the 25 varieties of pasture species performed good both in growth palatability for livestock