荞麦属一年生蓼科植物，是经济价值较高的小杂粮。荞麦不择土地，平地和山坡地均可种植。荞麦在我国北方的生育期，一般只需７０～９０天，适宜播期约在七月上、中旬，所以在早霜来临时，大部分种子已经成熟了，故能保产保收。荞麦在北方的品种，分为大棱和小棱两种类型，... Buckwheat is an annual polygonaceae plant, is a higher economic value of small grains. Buckwheat does not choose land, flat and hillside can be planted. The growth period of buckwheat in northern China is generally only 70 to 90 days, suitable for sowing in July and mid-July, so when the early frost comes, most of the seeds have already matured, so it can keep yield and save. Buckwheat varieties in the north, divided into two types of big edges and small edges, ...