There are many benefits of using rice husks in vineyards
First, application method
Begin by thoroughly mixing rice husks with topsoil and fertilizer, then fill the mixture back into the planting pit. Apply approximately 1,500 kg per 667 square meters. After one month of grape sprouting, spread a layer of rice husks about 1 to 1.5 cm thick over the ground surface. This helps in maintaining soil moisture and regulating temperature.
Second, benefits of using rice husks
Rice husks significantly improve soil structure, increasing its porosity and water permeability. This promotes better root development and speeds up seedling growth. They also help regulate soil temperature, encouraging microbial activity that accelerates the decomposition of organic matter, thus enriching the soil naturally. Additionally, rice husks act as an insulating layer, protecting plants from extreme heat in summer and preventing direct sunlight damage. Each 50 kg of rice husks contains roughly 0.16 kg of nitrogen, 0.05 kg of phosphorus, and 0.29 kg of potassium. Once decomposed, they become a rich source of organic fertilizer, enhancing the overall nutrient content of the soil.
Third, important considerations
The amount of rice husks used should be carefully controlled. Over-application can lead to excessive heat generation, potentially damaging the root system. The thickness of the mulch should vary depending on the season—thinner layers in early spring and thicker ones in early summer. In case of heavy rain, it's advisable to pile the rice husks on the surface to prevent them from being washed away or causing root rot. If rice husks are not available, alternatives such as wheat husks, sorghum husks, crushed peanut shells, or sawdust can be used effectively.
By following these guidelines, farmers can make the most of rice husks as a sustainable and cost-effective soil amendment, improving both crop yield and long-term soil health.
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