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为了扩大蔗田肥源,1973年我们在福建仙游蔗区,曾进行了在甘蔗最后一次培土后套种紫云英的试验。试验是在当地蔗田间套种习惯,即早春套种黄、绿豆,接着套田菁的基础上进行的。经初步试验证明,在甘蔗最后一次培土后套种紫云英,不仅对当年甘蔗未有不良影响,而且可得亩产鲜草968斤,收种子14.7斤。通过实践,我们认为这项技术是可行的。套种时,紫云英可提前在8月中、下旬,在每畦蔗田中满播,并加施磷钾肥,注意田间管理,紫云英收获量还可大大提高。
In order to expand the fertility of sugarcane fields, in 1973 we were in Fujian Xiangyu sugarcane area, had carried out in the sugar cane after the last soil intercropping astragalus test. The experiment is in the intercropping habit of local sugarcane fields, that is, early spring intercropping yellow, green beans, followed by sets of cyanine on the basis of. Preliminary tests show that, after the last earthworm Intercropped astigmats, not only had no adverse impact on sugar cane, but also yield 968 pounds of fresh grass per mu, received seeds 14.7 pounds. By practice, we think this technique is feasible. Interplanting, Astragalus can be early in mid-August, late in every cane field full of sowing, and the application of phosphorus and potassium fertilizer, pay attention to field management, Astragalus harvest can be greatly enhanced.