论文部分内容阅读
营养配方肥是根据各种作物从土壤中吸收的营养元素种类、数量不同，以及土壤中营养元素含量的丰缺情况的差异，应用配方的办法把多种营养元素按适当的比例配制成营养配方专用肥。因此，只要使用营养配方专用肥就能满足作物对多种营养元素的需要，以简化施肥方法，提高施肥...
Nutritional formula fertilizer is based on a variety of crops from the soil to absorb nutrient elements of different types, quantity and nutrient content of the abundance of the difference between the situation, the application of formula approach to a variety of nutrients in the appropriate proportion formulated into nutritional formula Special fertilizer. Therefore, as long as the use of nutritional formula fertilizer can meet the needs of crops on a variety of nutrients, in order to simplify fertilization methods and improve fertilization ...