一、前言一般都认为苜蓿的饲料价值显著优于其它牧草。第一年种植苜蓿时需施氮肥40—50公斤/公顷,以后则不必再施氮肥。而种植鸭茅每年要施氮肥120—200公斤,种植猫尾草要施100—128公斤。从经济性和节省能源的角度看,种植苜蓿为最好。而且苜蓿比红 First, the preamble Generally considered the value of alfalfa feed significantly better than other pastures. Nitrogen fertilizer 40-50 kg / ha is required for planting alfalfa in the first year, and nitrogen fertilizer will not be needed in the future. The planting of Dandong nitrogen fertilizer every year 120-200 kg, planting Timothy to apply 100-128 kg. From the perspective of economy and energy saving, planting alfalfa is the best. And alfalfa than red