What are the causes of soil hardening?
Soil hardening simply means that the soil surface hardens and cracks appear. It is difficult for crops to take root. Nutrients in the soil are difficult to absorb. What causes soil knotting?
1. The texture of farmland soil is too sticky and the plough layer is shallow. Long term use of the tumbling machine will not lead to the formation of soil hardening. Fermentation composting dumper is a strip composting dumper, which is mostly used for agricultural and livestock manure composting and small municipal sludge treatment projects. At present, the most widely used lathe in China is BAKUS’s lathe. Our company produces a full range of products; Customers can choose different models according to their needs.
The proportion of clay particles in clay is large, and the average cultivated layer is less than 500px. There are few pores in the soil, and the permeability, water permeability and temperature rise are poor. After rain or watering, it is easy to block pores and cause crusting on the surface of the soil
2. There was a serious shortage of organic fertilizer, and the amount of straw returned to the field decreased the most.
It is suitable for soil compost and waste manure, which will affect the structure of soil and organic manure and waste manure, resulting in poor soil pH, insufficient organic manure and waste manure, and thus affect the soil structure Microorganisms and other municipal solid waste. The particularity of organic fermentation granulation, the particles are irregular spherulites.
3. Excessive investment in plastic products.
Plastic film and plastic bags are not cleaned and can not be completely decomposed in the soil to form harmful substances. In China, the waste plastics entering the landfill with domestic waste account for 3% – 5% of the weight of landfill waste every year, most of which are plastic bag waste, which is not easy to degrade when applied into the soil, resulting in soil hardening.
4. Long term single application of chemical fertilizer.
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