How to realize water saving and fertilizer saving by water fertilizer integration? Dayou agricultural technology takes you to know:
Crops can absorb nutrients with two "mouths", one is the root system, the other is the leaves. The root is "big mouth" and the leaf is "small mouth". A large number of nutrients are absorbed through the root system. Foliar fertilizer spraying can only play a supplementary role. How can the fertilizer applied to the soil be sent to the "mouth" of the crop? That is, fertilizer must be dissolved before it can be sent to the "mouth" of crops. Insoluble fertilizer crops are "inedible", which is equivalent to white application.
Water and fertilizer integration technology is to dissolve fertilizer into the water according to the law and quantity of fertilizer and water demand of crops, transport it directly to the soil area with the most concentrated crop roots regularly and quantitatively, and send water and nutrients directly to the "mouth" of crops at any time, so that crops can drink when they are thirsty and eat when they are hungry; It can also reduce the waste of water and fertilizer caused by volatilization and leaching, so as to greatly improve the utilization rate of water and fertilizer.
Underground, when the fertilizer is dissolved and enters the soil solution, the nutrients near the crop roots are absorbed and the concentration decreases. When the concentration of the soil solution away from the roots is relatively high, it will spread near the crop roots, and the nutrients will move and finally be absorbed by the crops. On the ground, when plants have sunshine, the leaf stomata open for transpiration, resulting in water loss. The root system must continuously absorb water to supplement the water lost by leaf transpiration. Therefore, the nutrients dissolved in water will be transported to all parts of the plant with the absorption and flow of water. The root is the "mouth" of the crop, and the water is the "leg" of the fertilizer. Without the "leg", the fertilizer will not "enter" the mouth of the crop.