直播经济
直播经济-
水稻直播经济效益比插秧水稻增加收入100元/667m~2以上，说明水稻直播在北方稻区是可行的。
The profit of direct sowing is higher above 100 yuan / 667 m2 than that of rice transplant , and shows rice direct sowing is feasible in North rice areas .
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淮北地区直播稻田杂草经济防除阈值为20-24株/m2。
The threshold of economic control in direct-seeding rice field of Huai Bei was 20 to 24 plant per square metre .