Can attapulgite and organic fertilizer improve the soil well?

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<>1. Soil improvement.

Organic fertilizer is a good soil amendment. When organic fertilizers are used in farmland or degraded soils, organic matter can be increased, soil structure can be modified, and chemical fertilizers can be reduced.

and can mitigate potential erosion of the soil.

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; Initial agricultural waste carbon-to-nitrogen ratio.

High or low, when applied directly to the soil, will lead to insufficient or excessive nitrogen in the soil, affecting crop growth, and instead composting.

The carbon and nitrogen ratio of the post-organic fertilizer tends to be reasonable, which is more suitable for land use (theoretically speaking, the carbon and nitrogen ratio of decomposed organic fertilizer should tend to be about 16 of microbial bacteria. 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 25 g of organic carbon consumed by microorganisms, 1 g of nitrogen needs to be absorbed); 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 pollution 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 fertilizer to 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.

1.It contains the nutrients required by crops and the balanced proportion of various beneficial nutrients, which is conducive to the absorption of crops. Therefore, the more organic fertilizer is applied, the balanced proportion of soil nutrients is conducive to the absorption and utilization of soil nutrients by crops, and will not cause soil due to more organic fertilizer.

A large increase in a certain nutrient element disrupts the balance of nutrients in the soil.

2.Organic fertilizer contains a large amount of organic matter and is a place where various microorganisms grow and multiply. Organic fertilizers can also produce various substances such as vitamins, enzymes, auxins and other substances.

3.Improve soil fertility and water retention. Organic fertilizers have a good cation replacement ability, which can absorb more potassium, ammonium, magnesium, zinc and other nutrients, improve soil fertility, and the fertilizer retention ability of decomposed organic fertilizers.

In addition, organic fertilizer has a good buffering capacity, which can reduce the acidity change and soil compaction caused by long-term application of chemical fertilizer.

4.Reduce nutrient fixation and improve nutrient utilization. Organic fertilizer contains a variety of organic acids, humic acids, hydroxyl groups and other substances, all of which have good chelating ability. It can be chelated with manganese, aluminum, iron and other metal elements to form chelates to reduce the harm of manganese ions to crops.

5.Accelerate the formation of soil aggregates and improve the physical and chemical properties of soil. Organic-inorganic aggregates are important indicators of soil fertility.

The higher its content, the better the physical properties of the soil. The more fertile the soil, the stronger the soil, water and fertilizer retention capacity, and the better the aeration performance, the more conducive to the root growth of crops.