In recent years, the attention of commercial organic fertilizers has been increasing, because on the one hand, the production process of commercial organic fertilizers has become more and more advanced, and the efficacy of fertilizers has been greatly improved; on the other hand, the use of organic fertilizers has improved the physical and chemical conditions of the soil and improved the absorption and utilization rate of various nutrients.
Adhering to the use of commercial organic fertilizers in vegetable planting can effectively maintain the health of the soil, and in the soil improvement of new sheds or old sheds for many years, commercial organic fertilizers have more advantages.
First, commercial organic manure is "less harmful" than manure.
The key difference between the two fertilizers is "decomposed" and "harmless". Compared with commercial organic fertilizers, manure has many disadvantages:
First, it contains more salt, which makes it easy to salinize the soil.
The second is that manure contains a large number of pathogens and insect eggs, causing diseases, insects and weeds in the shed;
The third is that the nutrient content of manure is unstable, and reasonable fertilizer supplementation cannot be achieved.
Fourth, if the manure contains harmful substances and heavy metals, it cannot be removed by high temperature fermentation alone.
Commercial organic fertilizer:
First, it is rich in beneficial microbial flora, with strong environmental adaptability and easy to play a population advantage.
The second is rich in physiological active substances, such as indoleacetic acid, gibberellin, a variety of vitamins and amino acids, nucleic acids, auxin and so on.
Commercial organic fertilizer is different from manure, and the use method should be changed
Although commercial organic fertilizer and manure can also improve soil, the method of use is different. The reporter learned in an interview that some vegetable farmers feel less effective than manure after using commercial organic fertilizer, which is because the method of use has not changed.
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