Silicon dioxide nano particles are known as Nano Silica, it is also called Silica Nano-Particles. It is used particularly in the Biomedical researches. This nano silica is expected to be very much stable and to have very low level of toxicity. It is also used as concrete or cement admixture with aim to improve concrete pressure strength.
Nano Silica Nano Silica,Silica Nano-Particles,Concrete Nano Silica,Nano Silica SP30 Shandong Tiancheng Chemical Co., Ltd. , https://www.tianchengchemical.com
On November 25th, 2016, the agricultural technicians of our bureau went to the garlic field to investigate the growth situation and found that there was a phenomenon of dry seedlings. Through the field excavation, the cause of the death of garlic seedlings was caused by the damage of garlic, and the damage rate of individual plots reached 20 %. It is hoped that garlic growers will do field observations and prevent them in time. Control method: Mix 50% fenthion EC 500ml with 90% trichlorfon powder, and then water with water after the mother liquor. Note: 1. It is forbidden to use high-toxic pesticides; 2. Choose the weather above zero to water. 
Several measures for the recent garlic damage caused by garlic
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