论文部分内容阅读
大棚蔬菜水分管理与病害控制近几年来大棚蔬菜生产发展很快,对于解决冬春蔬菜供应淡季,丰富城乡人民菜篮子,增加农民经济收入发挥了非常重要的作用。但随生产的发展,蔬菜病害日趋严重,农药投入逐年增加,而防治的效果却不十分理想,不仅加大了生产成本,还使产品污染...
Greenhouse vegetable water management and disease control In recent years, the production of greenhouse vegetable has developed rapidly, which is very important for solving the shortage of supply of winter and spring vegetables, enriching the vegetable basket for urban and rural residents and increasing the economic income of farmers. However, with the development of production, vegetable diseases are becoming more and more serious, the input of pesticides is increasing year by year, and the effect of prevention and treatment is not very satisfactory, which not only increases the production cost but also pollutes the products.