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水稻旱种田杂草种类多,密度大(每平方米有杂草270—360株),水旱生兼有,直接影响水稻旱种的成败。1984—1986年对不同除草剂的混用进行了试验。
Dry weeds in paddy fields have many types of weeds, with large density (270-360 weeds per square meter), and both drought and drought, which directly affect the success or failure of dry cultivation of rice. 1984-1986 mixed herbicides were tested.