Optimum study of sown pasture sheep systems Ⅲ Introduction and cultivation of several winter survival soiling crops;

In this paper,the effect of annual forage in mono and mixed cultivatoin in high latitude and cold area on grass biomass and feed crops quality and The effect of fertilizer and harvest time on grass were summarized.

The development trend, introduction and breeding of forages and feed crops;

New varieties selection of forage crops suitable to the crossing zone of agriculture-animal husbandry of Inner Mongolia;