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蔬菜专用复肥是一种养分完全,施用方便的好肥料,它与通用型肥料(N:P_2O_5:K_2O为1:1:1)相比,能适应施肥地区特定作物的营养要求与土壤供肥特点。为使专用复肥充分发挥肥效,还须研究相适应的施肥技术(包括施肥量、施肥时期和施肥深度等),以使施肥技术融合于专用复肥之中,随肥料一起送到农民手里。 1984年以来,上海郊区试验推广了多品种的蔬菜专用复肥深施技术,颇受郊区广大群众欢迎,通过上海、嘉定、宝山、川沙四个县十二个乡对卷心菜、番茄、黄瓜、土豆等12个品种完成的多点试验,在等养分条件
Vegetable special compound fertilizer is a kind of good fertilizer with complete nutrition and convenient application. Compared with general fertilizer (N: P 2 O 5: K 2 O 1: 1: 1), vegetable special compound fertilizer can adapt to the nutrient requirements of specific crops in fertilization area and soil supply Fertilizer features. In order to make full use of special compound fertilizer effect, but also to study the appropriate fertilization techniques (including the amount of fertilizer, fertilization period and fertilization depth, etc.), so fertilization technology into special compound fertilizer, with the fertilizer to the hands of farmers . Since 1984, Shanghai Suburban Trial has popularized many kinds of deep-seeding technologies for vegetable special compound fertilizers, which are very popular among the suburbs. Through the 12 townships in four counties of Shanghai, Jiading, Baoshan and Chuansha, the technologies of cabbage, tomato, cucumber, Potato and other varieties completed more than 12 trials, and other nutrient conditions