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1990～ 1993年在阿勒泰对北疆苜蓿进行的头茬打草二茬收种的试验结果表明 ,在初花期打草后其再生草苜蓿种子仍可成熟 ,而且 2 0cm行距苜蓿再生草种子产量显著高于 15cm行距苜蓿
The results of the first stubble planting of alfalfa in northern Altay from 1990 to 1993 showed that the seeds of the regenerated alfalfa were still mature at the first flowering stage and the seed yield of 20% Higher than 15cm row spacing alfalfa