紫花苜蓿草地综合防除杂草技术的研究

The studies on the techniques of comprehensive controlof weeds grown in alfafa field

针对紫花苜蓿生长早期杂草危害较大的现象 ,经过多年的试验和研究 ,提出了根据苜蓿的生长规律以及杂草危害特点进行综合防除的基本措施。结果表明 ,播前精细整地、早秋适时播种、窄行条播、间播多年生禾本科牧草以及和刈割期及时清除杂草 ,能有效地防除紫花苜蓿田间杂草。

Based on general phenomena of more weeds existed in early growth of alfafa. This paper have made a serial trials for many years and put forword the basic measures to control and eliminate weeds comprehensively in alfafa (Medicago sativa)field according to the growing pattern of alfafa as well as the characteristics of weeds harmful to alfafa . The trials came to the conclusion that more effective way to control weed were showed as following : soil preparation before sowing meticulously, narrow drilling alfafa in early Autumn in time,intercropping with perennial grasses, clearing weeds during every cutting utilization contemporaneously.