The role of silicone in agriculture
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Improve the utilization rate of pesticides and enhance the control effect
The core advantage of silicone as an agricultural synergistic adjuvant lies in its excellent surface activity. By reducing the surface tension of the liquid to below 22 dynes/cm, silicone can form an ultra-thin spreading layer on the surface of plant leaves and pests, and the contact angle is reduced to less than 1/3 of conventional adjuvants. In the experiment of controlling rice leaf rollers, 48% dimethoate emulsifiable concentrate with 0.05% silicone adjuvant was added, and the same insecticidal effect was achieved while reducing the water consumption by 67%. This synergistic mechanism increases the utilization rate of pesticides by 30%-50%, significantly reduces the loss rate of liquid medicine, and reduces pesticide residues.
In specific application scenarios, silicone is particularly effective in enhancing the synergistic effect of systemic agents. Its T-shaped umbrella-shaped molecular structure can quickly penetrate the plant cuticle and the wax layer of pests, increasing the penetration of liquid medicine by 2-3 times. For example, when controlling diamondback moth, the liquid medicine can reach the mesophyll tissue directly through the stomata, break through the pest epidermal protective layer, and improve the control effect by more than 40%. For stubborn pests and diseases such as rice leaf roller, silicone additives can make the liquid medicine penetrate the leaf fortress woven by it, and achieve precise contact killing.
Optimize the efficiency of agricultural inputs and promote green agriculture
The environmental benefits of silicone in the agricultural field are reflected in the dual dimensions of resource conservation and pollution control. By promoting the uniform spreading of the liquid medicine on the leaf surface, the amount of water used for spraying per mu can be reduced from 40-50 kg to 15-20 kg, and can be further compressed to 5-10 kg with low-volume spray technology. This water-saving effect is particularly significant in fruit tree planting. With the combination of precision spraying technology, a single operation can reduce the loss of pesticides by more than 70%.
In the field of fertilizer efficiency, silicone functional fertilizers increase the water and fertilizer retention capacity by 35%-45% by forming soil aggregate structure. Its super strong dispersibility can promote the targeted deposition of fertilizers in the root area, increasing the utilization rate of nitrogen fertilizer by 20%-25% and the utilization rate of phosphorus fertilizer by 15%-20%. In the acidic soil improvement experiment, the buffering effect of organosilicon stabilized the soil pH value in the range of 6.5-7.5, effectively passivating the activity of heavy metals. This multi-dimensional synergistic mechanism reduces the application of chemical fertilizers by 20%-30% and reduces the risk of agricultural non-point source pollution.