How to combine organic fertilizer with inorganic fertilizer to give full play to greater advantages?
The characteristic of chemical fertilizer is high nutrient and quick effect, but the nutrient is single and the duration is short. If a single fertilizer is used for a long time, it is easy to cause too much or too little acid-base of the soil, which will cause soil hardening and burn seedlings. If it is mixed with organic fertilizer, it can learn from each other, because the humus in organic fertilizer can supplement the nutrition of the soil, change the acid-base of the soil, improve the soil structure, and relieve the problem of soil hardening.
1. The combination of chemical fertilizer and organic fertilizer can meet the nutrient needs of plants in each growth period.
2. Organic fertilizer can improve fertilizer efficiency. After chemical fertilizer is applied to the soil, some nutrients will be absorbed and fixed by the soil, but not by crops. After mixed application with farmyard manure, the contact surface between fertilizer and soil can be reduced, so as to reduce the proportion of fertilizer fixed by soil. Expanding melon type foliar fertilizer can improve the availability of nutrients. Humus in organic fertilizer has the function of dissolving phosphorus and potassium, and has the function of slow release for soil fixed nutrients, prolonging the fertilizer efficiency and improving the utilization rate of fertilizer.
3. Organic fertilizer can store nutrients, while foliar fertilizer can reduce the loss of chemical fertilizer elements and improve the absorption of nutrients by crops. Fertilizer application will affect the absorption of nutrients and water, and accelerate the loss of nutrients and water. If combined with organic fertilizer, it can promote the absorption of nutrients and water.
4. Humus can increase the nutrients in the soil and improve the soil activity. Farm manure is the energy source of microbial life, and chemical fertilizer is the source of inorganic nutrition for microbial growth and development. Mixed use of the two can promote the activities of microorganisms, and then promote the decomposition of chemical fertilizer. The activities of soil microorganisms can increase soil nutrients, improve soil activity and promote the growth of crops.
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