为解决市场粮价升高与禽畜养殖业的矛盾，人们开始注意起牧草种植来。近几年来，以传统的苜蓿为主的牧草品种已不能满足人们对牧草种植业多样化的期望，为适应这一发展趋势，我国先后从国外引进了松香草、籽粒苋，最近又引种成功了牧草新品种———饲料菜。据调查统计，俄... In order to solve the contradiction between the rising grain prices and the livestock breeding industry, people began to pay attention to forage cultivation. In recent years, traditional alfalfa-based forage varieties have failed to meet the people’s expectations for the diversification of forage grasses. In order to meet the development trend, China has successively introduced pine herbs and grain amaranth from abroad, and recently introduced it successfully New forage species --- feed dishes. According to the survey statistics, Russia ...