Integrated Technique to Obtain the High Yield of Seed Production for Chinese Milk Vetch(Astragalus sinicus)

The integrated technique was experimented to get the high yield of seed production in chinese rnilk vetch(Astragalus sinicu)et.Varieties Mingzhi No.1,2,3,4.The key methods were showed as follow:(1)the optimum sowing time and rate,(2)using the trace elements at the seed soaking and the plant flowering,(3)adding the fertilizer of P and K for the poor soil,(4)controlling the elongation of stems by using PP333,(5)suppressing the pest and disease,(6)cutting the vigorous vegetation.The pest harvesting tirne for seed production was discussed.