There are a great number of sheep and grass demands in Wulatezhong County, so planting alfalfa can defend soil to fly, fat soil, renew ecosystem environment, raise the productivity of lands.

Advances in research on biology of alfalfa seeds;

Theadvancesinseed shape,nutritioncomponent,efects onthephysiologyand theralationshipofyieldandother characters of alfalfa seed are discussed.

The current research progress on alfalfa seed production in terms of yield components and the factors,such as climate,topography,planting density,irrigation,fertilization,pollination,plant growth,weeds and harvest time in China was discussed,and the problems existing in research work were analyzed as well.

Preliminary report on the Medicago sativa varieties comparison trial in the Sanxia reservoir region;

Resistance mechanism of 10 Medicago sativa varieties were observed and analyzed.

The salt tolerances of 9 varieties of Alfalfa Cultivars in the stagesof seed germination and seedling have been studied by imitating the saltscomponents in the elbow area of the Yellow River, Inner Mongolia.

Determination of canavanine in the alfalfa seeds;