中国农业大学资源与环境学院教授陈清介绍,目前灌溉施肥在果类蔬菜上应用较多,按果类蔬菜各个生育时期需肥规律进行滴灌施肥建议如下:其一,苗期需肥量少,自开花至结果需肥量逐渐增加,采收期养分吸收量约占全生育期养分量的60%以上。其二,定植后前5周,吸氮量高于钾;第6~10周,吸 China Agricultural University, Professor Chen Qing Resources and Environment University introduced at present irrigation and fertilization in the application of more fruits and vegetables, fruits and vegetables according to the law of fertilization at various growth stages of the drip irrigation recommended as follows: First, the seedling need less fertilizer, Since the flowering to the results of the need to increase the amount of fat, harvested during the nutrient uptake accounted for more than 60% of the whole growth period of the amount of nutrients. Second, the first 5 weeks after planting, nitrogen uptake is higher than potassium; 6 to 10 weeks, suction