日本宫崎大学教授续荣治发现，用养麦秆为原料制成的粒状肥料能够抑制水田里杂草的生长，效果与化学除草剂相当。据这位科学家介绍，他是从荞麦田里杂草少这一现象，推断荞麦中可能含有某种抑制杂草生长的物质。通过实验发现，荞麦秆中含有植物相克物质，如阿魏酸和咖啡酸等， Japan Miyazaki University professor continued Rong rule found that with wheat straw as raw material granular fertilizer can inhibit the growth of weeds in paddy fields, the effect is equivalent to chemical herbicides. According to the scientist, he learned from the phenomenon of less weeds in buckwheat fields and concluded that buckwheat may contain some substance that inhibits the growth of weeds. The experiment found that buckwheat stalk contains plant phase g material, such as ferulic acid and caffeic acid, etc.,