棉花死苗的原因及防治措施

• 作 者: 谷艳云
• 机 构: 临西县河西镇人民政府,
• 出 处: 河北农业
• 发表日期: 2013年02期
• 关键词: 缺苗断垄 重茬地 经济作物 死苗原因 重茬 苗期病害 地膜棉 播前整地 抗虫棉品种 棉种

棉花是我县主要经济作物之一,也是广大棉农经济收入的主要来源。近年,棉花死苗问题时常困扰着广大棉农,每年都有部分棉田出现严重的烂籽、烂芽,造成缺苗断垄,甚至大片死苗,补种、毁种面积较大,增加了棉农植棉成本,降低了棉田的效益。一、棉花死苗原因分析1、连年重茬棉田大部分为重茬地,土壤里积累了大量包括棉

Cotton is one of the major cash crops in our county and the main source of cotton farmers’ economic income. In recent years, the problem of dead cotton seedling often plagued the majority of cotton farmers. Every year, some cotton fields have serious rotten seeds and rotten buds, resulting in lack of seedling and broken ridges, even large-scale dead seedlings, replanting, Cotton costs, reducing the effectiveness of cotton fields. First, the reasons for dead cotton seedlings 1, successive years of continuous cropping cotton fields are mostly stubble, the soil has accumulated a large number of cotton