| abstract |
The invention discloses rice mechanical transplanting rice seedling bed broadcast applications disposably to close herbicide and method, 5-7 days after rice transplanting, it mixes damp fine earth using 90~100 milliliters of oxadiazon butachlor EW of 80-100 grams of different grand third chlorine pyrrole wettable powder of 10~12 milliliter+47% of suspending agent of sulphur grass amine of 19% fluorine ketone or 35% propine evil per acre and spreads fertilizer over the fields, or it combines fertilising for the first time to mix fertilizer and spreads fertilizer over the fields, spread fertilizer over the fields preceding field discharge water holding do not flood subject to rice shoot lobus cardiacus, it is retained 2~5 days after spreading fertilizer over the fields, a season once closes weeding.The present invention becomes " two envelopes one benefit " operation or " secondary to close down ", " envelope one is killed ", " one kills a benefit " secondary operation three times, once to close control time of infertility crop smothering, and " spray-on process " drawback is overcome in conjunction with broadcast application, it is easy to operate, medication condition is loose, dispersing field and large area, field is applicable in flakes, is not influenced by weather condition. |