How to Identity Soil Fertility
The capability of soil to provide and coordinate nutrient substance and environmental conditions for plants’ normal growth is called soil fertility. When it comes to formula fertilization, the first need is to realize the soil fertility. Soil fertility is the comprehensive performance of physical, chemical, biological and environmental factor. By now there is not an exact quantity index to express soil’s fertility, nor one or several factor numbers to generalize soil fertility, so it is […]