种草养畜、禽，可降低饲养成本，有利于建立粮经饲三元种植结构。发展种草养畜，可推广种植的主要牧草品种有：①多花黑麦草。又称一年生黑麦草，它生长快，产量高，当年播种，当年利用。生长及利用季节为当年１１月前后至来年６月下旬，耐刈割３～５次，亩产５０００～６００? Grass raising livestock, poultry, can reduce the cost of feeding, is conducive to the establishment of grain-growing ternary planting structure. The development of grass and livestock breeding, can promote the planting of the main forage varieties are: ① ryegrass. Also known as annual ryegrass, it grows fast, high yield, then planting, then use. Growth and utilization of the season in November of that year before and after the arrival of the next year in late June, mowing 3 to 5 times, 5000 to 600 per mu?