【摘要】 采用苜蓿平地机在苜蓿返青前进行平整土地,调查平地机平地处理对杂草的防除效果。结果表明,采用平地机平地处理的苜蓿地杂草种类、株数和重量比未处理的苜蓿地有明显减少,防治效果达到55.2%。更多还原

【Abstract】 By carrying out land leveling with grader before the green up of alfalfa, its effect on weed control was investigated.The results showed that the species, number of plants and weight of weed in treated alfalfa field were all significantly less than that of untreated one, and the control efficiency reached 55.2%.更多还原