Peat is also known as peat and straw. It is a loose deposit composed of swamp plant residues or a mineralized rot plant, which contains a large amount of organic matter. The peat resources in Heilongjiang Province are very rich, with a total reserve of 1.3 billion cubic meters.
First, the type of peat
1. Low-level peat It is a substance formed under conditions of low-lying land and rich mineral groundwater resources. The peat plant is rich in nutrients, and the formed peat has high ash, nutrients and humic acid content. It is characterized by high nitrogen-containing nutrient and mineral elements, low acidity, slightly acidic to neutral reaction, and high decomposition degree.
2. Middle and high peat It is the upper layer of peat that protrudes in slightly high terrain or low position. It consists of plants such as grasses, locusts and other species of marsh plants that require less nutrient conditions. The main source of mineralization is water containing less mineral water. Its characteristics are: nitrogen-containing nutrients and mineral elements, and high acidity, acidic or strong acid reaction decomposition degree is poor.
Second, the use of peat Because peat contains a wealth of organic matter, humic acid, nitrogen to other physiologically active substances, therefore, in agriculture has a wide range of development and utilization.
1. Improve the soil. Direct application of peat is an effective measure to improve the soil. Practice has proved that peat has a significant effect on improving soil physical and chemical properties and microbial activity. It can increase soil water conservation, fertilizer conservation, drought resistance, and stubble-resistance, increase the conversion rate of soil nutrients, and ensure crop nutrition requirements. The use of peat to improve the soil will not only produce the effect of increasing production in the current year, but the aftereffect will last for more than three years.
2. Produce fertilizer. At present, the use of peat as raw material for the production of peat humic acid fertilizer (referred to as rot fertilizer, the same below) is an important way for many peat production countries in the world to develop and utilize peat. (1) Peat composting. (2) Production of peat NPK compound fertilizer. (3) Production of peat humic acid ammonium and nitro humic acid ammonia. (4) Production of peat fungus fertilizer.
3. Production of humic acid plant growth stimulating hormone. The stimulating effect of peat humic acids on plant growth, such as promoting plant development, enhancing the activity of biological enzymes in crops, and improving the quality of crop fruits, has attracted the attention of experts at home and abroad and has carried out fruitful research. .
4. Produce nutrient soil, nutrition é’µ. Because peat is rich in organic matter, humic acids can promote soil nutrient conversion and crop nutrient absorption, and have a good impact on plant respiration and enzyme activity. Therefore, the use of peat to produce nutritious soil is a peat for agriculture. Aspects of the use of an important way.
5. Produce feed. It is known that peat with a low degree of decomposition contains more cellulose and hemicellulose, and they are hydrolyzed to form sugars that can be absorbed by livestock, so that they can be used to make feed.
6. Production of peat pesticides. With the continuous deepening and expansion of research on peat utilization, peat humic acid pesticides are quietly emerging, and their superiority is increasingly exposed.
Heilongjiang Province Fertian Fertilizer Co., Ltd. Zhang Haibin
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