Where is the quality organic fertilizer in the greenhouse planted by yourself? Help to recommend it.

Organic fertilizer is mainly ** plants or animals, applied in the soil in order to provide plant nutrition as its main function of carbon-containing materials, processed by biological matter, animal and plant waste, plant residues, eliminating the toxic substances, rich in a large number of beneficial substances, including organic acids, peptides and rich nutrients including nitrogen, phosphorus and potassium, the quality of organic fertilizer on the market is still the vast majority, in the local agricultural stores can be purchased.

Organic fertilizer, also known as farmhouse fertilizer, refers to a slow-acting fertilizer containing a large amount of biological matter, animal and plant residues, excrement, biological waste and other substances, organic fertilizer can be widely used in agriculture, and the importance of its role is self-evident, mainly in the following aspects.

1. Improve the soil, the organic matter of organic fertilizer can increase soil fertilizer, and at the same time make the soil loose, change the soil gap, and provide a good production environment for crops.

2. To increase crop yield, various organic matter and nutrients contained in organic fertilizer provide sufficient nutrients for crops, so as to increase yield and improve quality, which is also the most important role of organic fertilizer for agriculture.

3. Improve soil drought resistance and water demand, in the dry season, organic fertilizer can improve the drought resistance of the soil, and can be combined with Yanwo microbial agent to improve the ecological environment of the root system.

4. Organic fertilizer is a very important role in nature, that is, to reduce environmental pollution, organic fertilizer granulator can make animal manure, animal and plant residues into particles, and finally return to the field for use, which not only protects the environment, but also can be used as fertilizer to nurture crops, and achieve a win-win effect of economic benefits.

The benefits of using organic fertilizer can be summarized as follows: the validity period of fertilizer is long, the fertility is long-lasting, mild, and pollution-free, and it is a high-quality fertilizer for the production of organic, green and pollution-free food. It contains a variety of trace elements, increases the content of soil organic matter, loosens the soil, improves the soil, and forms a high-standard farmland, which is the only important and necessary fertilizer that can continue to increase the yield after the use of chemical fertilizer to the top (the role in greenhouse production is more prominent).

It will not cause environmental pollution, and the full use of the exchange can play a role in protecting the environment. It reduces the energy consumption caused by the production of chemical fertilizers and can effectively promote plant growth. Turning waste into treasure reduces household waste.

I have used a good organic fertilizer, bought it from CreditEase, the effect is good, and it is not expensive.

The role of organic fertilizers.

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 previously buried 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 also reduce diseases in certain consuming 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, and enhance the drought resistance and lodging resistance of crops;

In winter, greenhouse vegetables should be skillfully applied with organic fertilizer.

To increase the number of organic fertilizer, the organic fertilizer can not only improve the soil and provide nutrients, but also, in the process of decomposition and utilization, it can produce carbon dioxide for potatoes, which can accumulate in the greenhouse, and can increase the "gas fertilizer" for vegetables, which is conducive to improving the photosynthesis of vegetables and promoting the increase of vegetable yield.

Organic fertilizer should be applied after decay because fresh pig and cattle manure, human manure, green manure and crop straw, etc., after application, a large number of organic acids, ammonia, hydrogen sulfide, nitrogen oxides, etc. will be produced in the decay process.

In the case of good ventilation in the greenhouses in spring, summer and autumn, the general three-element compound fertilizer can be used, which is labor-saving and labor-saving when applied with water.

In winter, especially in the depths of winter, the temperature in the shed does not allow long-term ventilation under the condition that the top dressing must use a high content of nitrate nitrogen (55---62 nutrients) three-element compound fertilizer (preferably added chelated trace elements) according to the different growth stages and growth of crops, using different nutrient ratios, in the case of reducing the total amount of use, with the use of humic acid, fulvic acid fertilizer, rooting and rooting. At the same time, it is necessary to strengthen foliar top dressing and supplement trace elements to ensure high and stable crop yield.

Planting vegetables, including greenhouse protected land, open field production, fertilizer application includes bottom fertilizer, top dressing, and top dressing is divided into root top dressing and foliar top dressing.

The base fertilizer is mainly organic fertilizer, which should account for 60% of the total fertilizer requirement in the life of the crop. Generally, the production of protected areas is better to chicken manure and pig manure with higher nutrient content, but it is necessary to pay attention to full decomposition, which will produce a higher temperature in the process of decomposition, which will kill the eggs and germs in the fertilizer. More importantly, high temperature decomposition will gradually convert the ammonium nitrogen in the fertilizer into nitrite acid to nitric acid, and this process is completed outside the shed, which can avoid the accumulation of damage to crops in the closed environment of the shed after being used in the ground.

A large amount of organic fertilizer as a base fertilizer provides a hotbed for the reproduction of microorganisms, effectively improves the ground temperature in the shed, and the activity of microorganisms produces a large amount of carbon dioxide, which effectively promotes the photosynthesis of crops, which is also the necessary basis for the high yield of vegetables in the shed.

(1) Pay attention to the application of CO2 gas fertilizer.

Appropriate application of CO2 gas fertilizer can make the plant grow robust and improve product quality and yield.

2) Pay attention to the fertilizer requirements of vegetables.

Greenhouse vegetables should be based on biological bacteria organic fertilizer, supplemented by chemical fertilizer, because the greenhouse is a closed facility, air circulation is limited, CO2 gas fertilizer can not be supplemented, so organic fertilizer must be added, in order to solve the lack of CO2 gas fertilizer. Field vegetables and leafy vegetables should pay attention to nitrogen fertilizer, fruit and vegetables should pay attention to phosphorus and potassium fertilizer, and root vegetables should pay attention to potassium fertilizer, and fertilizer should be balanced.

3) Note that phosphate fertilizer and zinc fertilizer should not be mixed.

Chemical fixation often occurs between phosphorus and zinc, and excessive use of phosphate fertilizer will inhibit zinc absorption. The greenhouse temperature is high and the humidity is high, and the effectiveness of phosphorus is 2 3 times higher than that of the open field, so pay attention to reducing the amount of phosphorus appropriately to prevent the effectiveness of inhibiting zinc. If zinc deficiency occurs, foliar zinc sulfate can be sprayed.

4) Pay attention to the jaw effect between potassium and magnesium.

The jaw effect often occurs between potassium and magnesium, so when vegetables apply potassium fertilizer, they must be fertilized according to the soil and crops. If excessive potassium fertilizer is applied, magnesium deficiency physiological diseases are easily induced, and the yellow whitening between the cucumber leaf veins is still green, and the yellow patches are found in the middle leaves of tomato. When magnesium is deficient, magnesium sulfate or calcium-magnesium phosphate fertilizer extract can be sprayed.

5) Pay attention to the appropriate amount of nitrogen fertilizer.

Excessive nitrogen fertilizer will not only cause high nitrate content in vegetable products, which does not meet pollution-free standards, but also inhibit the absorption of some other elements. Excessive application of nitrogen fertilizer will affect the absorption of calcium, resulting in longitudinal cracking of eggplant sepals and corkification of pulp. Umbilical rot occurred in tomatoes and spicy bell peppers; Brussels sprouts brown inside, rot, etc. Excessive nitrogen fertilizer can also cause physiological diseases such as boron, potassium and magnesium deficiency in vegetables.

6) Note that chlorine-containing fertilizers should not be applied.

Because chloride ions can reduce the starch and sugar content of vegetables, deteriorate the quality, reduce the yield, and will remain in the soil, poison the root system, and cause soil compaction, increase soil salinity, and make the soil salinized.

7) Pay attention to the fact that fast-acting nitrogen fertilizer should not be applied to greenhouse vegetables.

Because the available nitrogen fertilizer is easy to decompose and volatilize ammonia, especially in the greenhouse due to the high temperature, the volatilization is even worse. Even if the air is released during the day, it should not be sprinkled with water or applied in a hole, so as to prevent the vegetables from being smoked by ammonia and inducing ammonia damage.

8) Pay attention to the utilization of phosphate fertilizer effectiveness.

Phosphate fertilizer is not easy to move in the soil, and it is easy to be absorbed and fixed by the soil after contact with the soil, so the phosphate fertilizer should be mixed with organic fertilizer and applied after fermentation, or processed into granules to be applied to minimize the contact with the soil.

9) Pay attention to the utilization of potash effectiveness.

Potash fertilizer is one of the three elements of fertilizer, and the effective use of potassium fertilizer is very important.

10) Vegetables with a short growth period can be applied at one time, and half of the vegetables with a long growth period can be chased at the bottom.

It is best to apply potassium fertilizer before flowering, and foliar spray should be applied for potassium deficiency in the later stage, and potassium dihydrogen phosphate can be selected.

Iron is easily fixed by the soil into insoluble compounds and loses fertilizer effect, and can not be recycled in vegetable leaves, sprayed with ferrous sulfate aqueous solution, to spray evenly and meticulously, every 5 7 days 1 time, continuous spraying 2 3 times. If the soil is applied with iron fertilizer, it should be mixed with organic fertilizer.