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番茄大白菜专用肥料介绍播前、大白菜专用肥是兰州市农科所根据番茄、大白菜两种作物的生理特性和需肥规律，结合兰州地区土壤养分状况，经多年、多点肥料试验研制出的最佳施肥配方肥料。１．番茄专用肥：为浅灰色颗粒，粒径２～４ｍｍ，总养分含量４０．７％，为高浓度Ｎ...
Tomato cabbage special fertilizer Introduction Before sowing, cabbage special fertilizer is Lanzhou City, according to the Institute of Agricultural Sciences, tomato and Chinese cabbage physiological characteristics of two crops and the law of fertility, Lanzhou area combined with soil nutrients, after years of trial development of fertilizer The best fertilization formula fertilizers. 1. Tomato fertilizer: light gray particles, particle size 2 ~ 4mm, total nutrient content 40.7%, high concentration N ...