[Analysis and evaluation on the nutrition components of Huaiyang Medicago polymorpha with different mowing crops].

Objective: Analyze and evaluate systematically on the nutrient component variations of Huaiyang Medicago polymorpha cultivated in autumn greenhouse with different mowing crops.

Methods: Cultivated all the Medicago polymorpha grops in six greenhouses in November 2013, mowed totally six times with every 30 days, finally collected all the mature part of the whole grass on the ground (seeds before and after threshing) and straws which amount to nine crops. After vacuum dried at low temperature then grinded into superfine powder.