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2. After silicon is absorbed by crops, silicified cells are formed to increase the strength of plant cell walls. Upright stems and leaves of plants are erect, which facilitates dense planting, improves the photosynthesis of foliage, and is conducive to the accumulation of air, light, and organic matter. Silicon can increase the chlorophyll content of plants, extend the growth period, and promote plant growth. As a result, silicon fertilizers have changed the population structure of crops and have great potential for increasing crop yields.
3. The formation of silicified cells increases the thickness of the cell wall of the crop and increases the thickness of the cuticle, thereby increasing resistance to pests and diseases, especially for rice blast, leaf spot, stalk rot, bacterial blight, aphids, and locusts. Increased resistance. This can reduce the amount of pesticides.
4. Silicon can enhance the strength of the straw at the base of the plant, increase the rigidity of the crop conduits, and enhance the ventilation inside the plants, thereby enhancing the oxidative capacity of the root system, preventing premature aging and rot, and enhancing lodging resistance. For example, silicon has a strong preventive effect on rice rot disease. Silicon fertilizer can also prevent the lodging of high-yielding rice and other crops.
Silicified cells in the crop can effectively regulate leaf stomata opening and closing and water transpiration. Therefore, the application of silicon fertilizer enhances the ability of crops to resist drought, dry hot wind and resist low temperature.
6. Silicon can reduce the fixation of phosphate fertilizers in soil. At the same time, there are phosphorus in activated soil and the action of phosphorus in the plant to increase the utilization of phosphate fertilizer and the seed setting rate of crops.
7. Silicon can increase pollen vigor and increase the fruit rate of fruits and melons.
8. Silicon fertilizer is a health-care fertilizer that can improve the soil, increase the soil salt base, promote the decomposition of organic fertilizers, and inhibit soil bacteria.
9. Silicon is a quality element, which has the effect of improving the quality of agricultural products, makes the product color, aroma and taste, and is resistant to storage and transportation.
10. Silicon fertilizer can prevent and control heavy metal pollution on farmland, which is of great significance to the prevention of heavy metal pollution such as cadmium, manganese, lead, etc. in areas where sewage is used for irrigation and sludge is used as fertilizer in China. Silicon fertilizer can also prevent the damage of hydrogen sulfide, methane and other crop roots.
1. Silicon is an important nutrient element of plant composition. Most plants contain large quantities of silicon. For example, for the production of 1,000 kg of rice, the absorption of silica from the aerial part of rice reaches 150 kg, which exceeds the sum of nitrogen, phosphorus and potassium absorbed by rice. The higher the grain yield and the more nitrogen fertilizer application, the greater the demand for silicon fertilizer.