What are the advantages of applying organic fertilizer? What are the benefits of applying organic fe

The biggest advantage is undoubtedly that it is more environmentally friendly and has a high utilization rate.

1 Complete nutrients. Organic fertilizer is a complete fertilizer, containing abundant carbon, nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, silicon and other large and medium elements and a certain amount of iron, copper, zinc, manganese, boron, molybdenum and other trace elements required for the growth and development of crops.

2 Improve the soil. Organic fertilizer contains a large amount of organic matter, and long-term application can improve soil organic matter, improve soil aggregate structure, promote the reproduction of soil microorganisms, make the soil loose and aerate, easy to drain and cultivate.

3. Retain fertilizer and water. The application of organic fertilizer can enhance the fertilizer retention and buffering capacity of the soil. Humus is an organic colloid, although the particles are small, but the surface area is large, the ability to absorb water is more than 100 times larger than that of inorganic colloids, and the amount of substitution is 4 times larger.

Long-term application of organic fertilizer can increase the organic and incorporeal composite colloids, closely integrate the soil, and enhance the ability of water retention, fertilizer retention and fertilizer supply.

4. Promote crop growth. The main component of humus in organic fertilizer is humic acid, which can promote seed germination, root growth and nutrient absorption. The application of organic fertilizer can also increase the concentration of carbon dioxide, an important raw material for photosynthesis, by several times to dozens of times.

5. Improve fertilizer utilization. The combination of organic fertilizer and chemical fertilizer can help each other, complement each other's short and long, and promote each other. The acid produced during the decomposition of organic fertilizer can promote the dissolution of mineral nutrients.

6. Improve the quality of agricultural products.

There are two main advantages: first, organic fertilizer can decompose and release carbon dioxide, which can help plants photosynthesize; Second, it can prevent environmental pollution caused by ordinary chemical fertilizers.

The large use of chemical fertilizers in agricultural production, although the yield of agricultural products has been greatly improved, but also brings problems such as the decline in the quality of agricultural products, soil compaction, polluted water sources, and these are caused by the long-term lack of organic matter in the soil and the excessive use of chemical fertilizers, and the most fundamental way to solve these problems is to reduce the use of chemical fertilizers and increase soil organic matter.

1. Increase the content of soil organic matter.

Regular application of organic fertilizer can significantly increase the content of soil organic matter, which is conducive to maintaining the stability of soil organic matter and improving the physical and chemical properties of soil.

2. Promote the formation of soil aggregate structure.

Soil organic matter, calcium carbonate and polysaccharides have a good effect on the stability of soil structure. The application of organic fertilizer can increase the content of soil organic matter more than the application of manure, especially the production of more five-carbon sugars, six-carbon sugars and polysaccharides. This is particularly beneficial for the formation of water-stable aggregates, such as a significant increase in water-stable aggregates that are larger than them.

3. Provide nutrients.

Organic fertilizer contains various nutrients required by crops, and the use of organic fertilizer can significantly increase the content of nutrients in the cultivated soil, especially potassium. In 1995, the Ministry of Agriculture surveyed the cultivated land in 12 provinces across the country, and found that the phosphorus content in the cultivated land increased compared with before 1990, while the cultivated land area lacking potassium and trace elements was expanded.

4. Regulate the nitrogen content of the soil**.

In the early stage of decomposing large straws, microorganisms absorb nitrogen from the soil to form their own somatic cells, resulting in the biological fixation of soil nitrogen, which plays a role in temporarily preserving nitrogen. When the microorganisms die, this part of the nitrogen is decomposed and released. In addition, the application of organic fertilizer increases the energy matter in the soil, and is also conducive to biological nitrogen fixation, the organic matter content in organic fertilizer can reach about 30%, and relevant data show that the energy released per carbon oxide can be used by nitrogen-fixing microorganisms to fix 10 40mg of nitrogen.

5. Improve the activity of soil microorganisms and soil enzymes.

After the application of organic fertilizer, the number of microorganisms increased significantly, especially in the soil near the application of organic fertilizer, which had a good effect on accelerating the release of organic nutrients and activating the nutrients in the soil. In addition, organic fertilizers can reduce diseases in certain crops.

Other advantages of the application of organic fertilizers in agricultural production include:

1. Nutritional balance, promote crop growth, increase yield significantly, and high fertilizer efficiency;

2. Improve the quality of agricultural products;

3. Inhibit pathogenic bacteria and reduce pests and diseases;

4. Loosen and improve the soil to reduce nitrate pollution in the soil;

5. Increase the absorption of water by crops, enhance the drought resistance and lodging resistance of crops;

6. After scientific management, the crops planted can reach the national green food fertilizer standard "A" or "AA".

The application of organic fertilizer must be fully decomposed, and raw fertilizer should not be applied. Fertilization depends on the growth and the dosage. Namely:

Apply more to yellow thinness, more before germination, more application to pregnant buds, and more application after flowering; Less fertilization, less germination, less flowering, and less in the rainy season; Do not apply for new planting, do not apply in the summer, do not apply for longevity, and do not apply for dormancy.

There are three taboos for potted flower fertilization: one taboo thick fertilizer, two taboo hot fertilizer (high soil temperature at noon in summer, fertilization is easy to hurt the roots), three taboo sitting on fertilizer (that is, when planting flowers, apply base fertilizer at the bottom of the pot, do not put the roots directly on the fertilizer, but add a layer of soil to the fertilizer, and then plant the flowers into the pot). In addition, it is important to loosen the soil before fertilization, as the compacted topsoil will affect the penetration of fertilizer into the soil and the absorption of the roots.

Huilin Youpin organic fertilizer not only contains a large number of essential elements and trace elements for plants, but also contains rich organic nutrients, and organic fertilizer is the most comprehensive fertilizer. The role of organic fertilizer in agricultural production is mainly manifested in the following aspects:

1. Improve the soil and fertilize the soil. After organic fertilizer is applied to the soil, organic matter can effectively improve the physical and chemical status and biological characteristics of the soil, mature the soil, enhance the fertilizer retention capacity and buffer capacity of the soil, and create good soil conditions for the growth of crops.

2. Increase output and improve quality. Organic fertilizers are rich in organic matter and various nutrients that provide nutrients to crops. After the organic fertilizer is decomposed, it provides energy and nutrients for soil microbial activities, promotes microbial activities, accelerates the decomposition of organic matter, and produces active substances that can promote the growth of crops and improve the quality of agricultural products.

3. Improve the utilization rate of fertilizer. Organic fertilizer contains more nutrients but relatively low content and is released slowly, while chemical fertilizer has high nutrient content per unit and few components and is released quickly. The organic acids produced by the decomposition of organic matter can also promote the dissolution of mineral nutrients in soil and chemical fertilizers.

Organic fertilizer and chemical fertilizer promote each other, which is conducive to crop absorption and improves the utilization rate of fertilizer.

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1.Soil improvement.

Organic fertilizer is a good soil amendment. When organic fertilizer is used on farmland or degraded soils, it can increase organic matter, modify soil structure, reduce the amount of chemical fertilizers used, and can mitigate potential soil erosion.

2.Improved land use.

A considerable part of agricultural organic waste is still used in land after direct or simple treatment, although it also has fertilizer value and can play a role in improving soil quality. The use of organic fertilizer for agricultural waste has the following advantages: from the nitrogen in the waste to more stable organic nitrogen, although there is also a loss of some nitrogen, the remaining nitrogen is often not easy to be leached and volatilized; The initial carbon and nitrogen ratio of agricultural waste is high or low, and after direct application to the soil, it will lead to insufficient nitrogen or excess nitrogen in the soil, affecting crop growth, on the contrary, the carbon and nitrogen ratio of organic fertilizer after composting tends to be reasonable, which is more suitable for land use (decomposed organic fertilizer should theoretically tend to the carbon and nitrogen ratio of microbial bacteria, that is, about 16.

It is generally believed that the decrease of CN from the initial 25 30 to 15 20 indicates that the organic fertilizer has been decomposed and stabilized. PS: For every 25g of organic carbon consumed by microorganisms, they need to absorb 1g of nitrogen); The heat generated by the organic composting process reduces the number of weed seeds in the waste, mitigating the effects of weed damage.

3.Reduce the risk of contamination and odor complaints.

Organic composting can mitigate the effects of these problems. Since organic compost products are often in demand, their way out is no longer an issue, and the nature of organic compost that can be stored and treated allows it to be transported farther away than manure or other raw materials. A well-run organic composting facility is almost free of odors and flies.

In the process of urbanization and the continuous development of agriculture on a large scale, organic waste is beginning to become a burden rather than an asset. Especially for some agricultural breeding enterprises, because there is no large area of land to absorb these animal manure, the number of animals far exceeds the capacity of the land, making the manure treatment a headache.

4.Organic fertilizer is used as a substitute for breeding bedding.

Many studies have shown that powdered organic fertilizer can be used as a bedding material to replace sawdust and straw flour in farms.

From the perspective of animal welfare and improvement of the breeding environment, the bedding layer should be laid in the breeding enclosure, which is conducive to adsorbing animal excrement and reducing environmental pollution on the one hand, and provides a comfortable ground environment for animals on the other hand.

5.Organic fertilizers reduce soil-borne diseases.

Good organic fertilizers have been found to mitigate soil-borne diseases in plants without the use of chemical control. This disease-inhibiting feature of organic fertilizers has been widely recognized and appreciated.

Chinese farmers have a tradition of using organic fertilizers and attach great importance to the use of organic fertilizers. The United States, Western Europe, Japan and other developed countries are emerging "ecological agriculture" and "organic agriculture", attaching great importance to the use of organic fertilizers, and stipulating organic fertilizers as the main source of fertilizer for the production of green food.

One of the most important aspects of applying organic fertilizers is that they increase the amount of organic matter in the soil. Although the content of organic matter only accounts for a few tenths to a few percent of the total amount of soil in the cultivated layer, it is the core component of the soil and the main material basis of soil fertility. Organic fertilizers have a very important impact on the structure of the soil, the nutrients in the soil, energy, enzymes, moisture, aeration and microbial activity.

Organic fertilizer contains a large number of nutrients required by plants, and the nutrient supply to plants is relatively slow and long-lasting, and has a long after-effect. Organic fertilizers also contain a variety of trace elements. Because the various nutrients in the organic fertilizer are relatively complete, and these substances are completely non-toxic, harmless, and non-polluting natural substances, which provides the necessary conditions for the production of high-yield, high-quality, and pollution-free green food.

Organic fertilizer contains a variety of sugars, and the application of organic fertilizer increases various sugars in the soil. With sugars, with a large amount of energy released by organic matter in degradation, there is energy for the growth, development, and reproduction activities of soil microorganisms.

Chongqing livestock and poultry manure contains various active enzymes secreted by animal digestive tract and various enzymes produced by microorganisms. The application of organic fertilizer greatly improved the enzyme activity of the soil, which was conducive to improving the absorption performance, buffering performance and stress resistance of the soil. The application of organic fertilizer increases the organic colloids in the soil, cementes the soil particles and turns them into a stable aggregate structure, improves the physical, chemical and biological properties of the soil, and improves the soil water retention, fertilizer retention and air permeability.

Create a good soil environment for plant growth.

Organic manure decomposes in the soil and transforms into various humic acid substances. It can promote enzyme activity, synthesis, transport and accumulation of substances in plants. Humic acid is a kind of polymer substance, with high cation substitution, good complexation adsorption performance, and good complexation adsorption effect on heavy metal ions, which can effectively reduce the toxicity of heavy metal ions to crops and prevent them from entering plants.

This is very beneficial for the production of safe and hygienic green food without pollution.

However, the use of organic fertilizers also has low nutrient content, which is not easy to decompose, and cannot meet the requirements of high crop yield in time. The accumulation and use of traditional organic fertilizers are also very inconvenient. Human and livestock manure, garbage and other organic wastes are a kind of dirty, rotten, smelly substances, which contain many pathogenic microorganisms, or mixed with some poisons, is an important source of pollution, especially noteworthy, with the development of modern animal husbandry, feed additives are more and more widely used, feed additives often contain a certain amount of heavy metals, these heavy metals are discharged with animal manure, will seriously pollute the environment, affect human health.

First, it can improve the physical and chemical properties of soil and improve soil fertility.

Organic fertilizer contains more organic matter, which is the main source of soil organic matter and an important material basis for soil fertility. It regulates and buffers the acidity and alkalinity of the soil; Increase the amount of soil cation exchange and improve the fertilizer retention performance of the soil; It is conducive to the formation of a good soil structure, which can improve the tightness, aeration, permeability, water retention and thermal condition of the soil. It has a good effect on the water, fertilizer, gas and heat conditions that determine soil fertility.

Second, it can promote the activities of soil microorganisms.

Soil beneficial microorganisms are one of the important indicators to measure the level of soil fertility, and many material and energy conversion processes in soil are inseparable from soil microorganisms, such as the mineralization process of organic matter and the nitrogen fixation process of leguminous plants, which are related to the role of soil microorganisms. The application of organic fertilizer not only increases the population of beneficial microorganisms in the soil, but also provides energy and nutrients for the survival and reproduction of microorganisms, thus affecting the level of soil fertility.

Third, it is a comprehensive organic fertilizer nutrient and long-lasting fertilizer effect.

Organic fertilizer not only contains a large number of elements necessary for plants, medium and trace elements, but also contains rich organic nutrients, organic fertilizer is a fertilizer with comprehensive nutrients. At the same time, the fertility of organic fertilizer is slow and lasts for a long time, and the allowable dosage varies greatly, and it is effective for many years when applied once.

Fourth, it is to reduce the cost of fertilization.

Organic fertilizer can be taken locally, used locally, widely and costly, through the application of organic fertilizer can not only increase nutrients, improve soil fertility, but also improve the utilization rate of chemical fertilizer, correspondingly also reduce the amount of chemical fertilizer, thereby reducing the cost of fertilization, is one of the important measures to save costs and increase efficiency in agriculture.

Fifth, it is to maintain and promote soil nutrient balance.

The nutrients that crops take in from the soil can be returned to the soil through the use of organic fertilizers. In agricultural production, only by grasping the nutrient balance link and combining the application of organic fertilizer and inorganic fertilizer can the soil fertility be continuously improved.