On one hand fertilizer rate must be in accordance with soil fertility and crop's nutrient property; on the other application should abide by the principle of combining the organic manure with inorganic nutrients and primary with secondary and micro-nutrie
On one hand fertilizer rate must be in accordance with soil fertility and crop's nutrient property; on the other application should abide by the principle of combining the organic manure with inorganic nutrients and primary with secondary and micro-nutrie
一方面施肥量必须与土壤肥力和作物养分特征一致；另一方面应当有机肥与无机养分配合施用，大量元素、中量元素和微量元素配合施用。