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通过对于田县麦田杂草的普查,明确了麦田杂草主要种类有5科8种,其中以灰藜和播娘蒿为优势种杂草,发现了麦田杂草的发生危害有冬前和春季两个高峰期,并受降雨、温度、覆土深度、播期和肥力的影响。
Through the census of weed in wheat field in Yutian County, it is clear that there are 5 families and 8 species of weed in the field. Among them, Weed and Artemisia annua are the dominant species of weeds, we found that the occurrence of weed in wheat field is pre-winter and spring The two peaks are affected by rainfall, temperature, depth of cover, sowing date and fertility.