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京郊广大菜农对蔬菜茬口安排有比较丰富的经验,但面对千变万化的蔬菜市场,也常感到无所适从,笔者认为应从以下五方面来衡量茬口安排是否合理:第一,种植茬口安排是否获得理想的经济效益;第二,是否充分利用种植设施和光照;第三,是否有利于土壤改良和土壤肥力提高,从而实现可持续生产;第四,是否有利于减轻病虫害的发生;第五,能否吸引市民来观光采摘,获得较
The majority of vegetable farmers in Beijing suburbs have rich experience in the arrangement of vegetable stubble. However, in the face of the ever-changing vegetable market, they often feel they are at a loss. The author believes that whether or not stubble arrangement is reasonable should be measured in the following five aspects. First, Economic benefits; secondly, whether to make full use of planting facilities and light; thirdly, whether it is conducive to soil improvement and soil fertility improvement in order to achieve sustainable production; fourthly, whether it is conducive to mitigate the occurrence of pests and diseases; Citizens to tourism picking, access to more