Large-scale biogas project lays the foundation for the development of biogas fertilizer

The utilization rate of China's resources is obviously low, especially the scale of livestock farms and livestock farms in intensive farming and intensive farming areas, and the overall utilization rate is low. The culture pollution needs to be solved urgently. In recent years, new types of biogas digesters have developed rapidly in rural areas. Biogas projects are used as a link to combine the multi-level utilization of biomass energy (animal manure, straw, etc.) with the development of new types of biogas fertilizers to optimize the combination of biogas fermentation and a number of related technologies in fertilizer production, which can comprehensively improve the agriculture and animal husbandry industry. The comprehensive utilization level of waste can also stimulate the development of industries such as crop farming, agricultural and sideline products processing, and increase the level of agricultural industrialization.

The tests show that the use of large-scale biogas projects to treat agricultural and animal husbandry wastes and the development of new types of biogas fertilizers can achieve coordinated economic and environmental development. First of all, biomass energy can be fully utilized to achieve multi-level utilization of energy within the agricultural system and a virtuous circle, to a certain extent ease the constraints of rural energy bottlenecks. Secondly, the allocation and comprehensive utilization of nutrient resources can be comprehensively promoted, and the development of related industries such as crop farming and aquaculture can be promoted. Thirdly, the results of large-scale popularization and application of new-type biogas fertilizers showed that the application of biogas fertilizers increased the yield by 8%-15% compared with other fertilizers, which increased the yield by 11%-20% compared with other nutrient-diluent fertilizers, and significantly improved soil properties and crop quality. Great potential.

Biogas fertilizer features:

1. In addition to essential nutrients such as nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, iron, manganese, boron, zinc, copper, molybdenum, silicon, and cobalt, biogas fertilizers also contain organic matter, humic acids, amino acids, and polysaccharides. , Nutrients, auxins, gibberellins, vitamins, antibiotics and other biologically active substances have complete nutritional functions.

2. The active ingredient has strong biological activity and is easily absorbed and utilized by plants. The fertilizer effect is stable and lasting, which can effectively prevent various kinds of deficiency syndromes.

3. Supplement biologically active ingredients, activate various enzyme activities in plants, coordinate and balance various physiological processes, enhance resilience, improve immunity, prevent and reduce disease occurrence, reduce pesticide use, and ensure agricultural product quality and safety.

4, to promote the development of plant roots, speed up the absorption of nutrients, can make flower buds enriched, improve fruit set rate.

5. Increase the content of soil active organic matter, improve soil physical, chemical and biological properties, improve soil function, quickly restore and improve capacity, and comprehensively improve the quality of soil environment, and create good environmental conditions for crops. To achieve the combination of farmland use and prevent soil degradation. To avoid the long-term irrational use of fertilizer caused by soil compaction, shallow plough layer, cushioning performance and diminished resilience, degradation of agricultural products and other shortcomings.

6. Activate soil potential nutrients, increase effective nutrient capacity and supply intensity, increase fertilizer utilization, reduce fertilizer use, and reduce fertilizer costs. (Prof. Liu Dongchen, Professor, Hebei Agricultural University, Capital Institute of Education)

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