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为摸索单季直播稻田杂草发生规律，科学制订杂草防除对策，我们于1996－1997年对单季直播稻田杂草进行调查和定点观察，初步明确了单季直播稻田杂草的发生特点，以及相应的防除技术。（一）单季直播稻田杂草发生特点1．杂草种类多据湖州市1996～1997年调查，单季直播稻田杂草种
In order to explore the law of weeds in single season seeding direct seeding weeds and formulate weed control measures scientifically, we surveyed and observed the weeds in single seasons direct seeding rice fields in 1996-1997, initially identified the occurrence characteristics of weeds in single seasons direct seeding rice fields, And the corresponding control technology. (A) the characteristics of single season seeding weeds in rice 1. According to the investigation of Huzhou City from 1996 to 1997, the weed species were mostly single-season direct seeding weeds