(Correspondent Li Fangfang) In ancient times, people would observe the weather to fight. Now, meteorology and agriculture have a closer relationship. The weather forecast not only reminds people to add or remove clothing, but also warns to prevent crops from suffering extreme weather damage. In fact, the use of pesticides is also closely related to the weather.
Zhang planted 65 mu of gourd gourd on a farm in Altay. The water and fertilizer have been well managed, but suddenly one day, Zhang found that the gourd gourd leaves were chicken-foot-shaped, figs and fruitless. In the end, the harvest was almost impossible. How is this going? Zhang reminded me of using drones to spray the herbicides nicotine atrazine and sodium tetrachloride on the corn field nearby. Is it related to the herbicide? In order to find out the reason, Zhang commissioned Xinjiang Zhenguanda Agricultural Technology Co., Ltd. to conduct identification.
After the company accepted the case, it immediately assigned appraisers Yang Jingfei, Jiang Fuqiao, and Gao Shengliang to form a technical appraisal team. With the participation of the parties and witnesses, the company conducted on-site inspection and investigation of the plot involved. The company’s senior agronomist According to Jiang Fuqiao, the middle section of Zhang's gourd melon field suffered the most severe damage. The severe area measured by GPS was 10.8 mu. The gourd leaves were chicken feet-shaped, with no flowers and fruit, and basically no harvest; the moderately damaged area was 21.81 mu, with shrunken leaves. , The fruited gourd is a deformed melon, which has a great impact on the yield; on the plots with less phytotoxicity, the gourd will fruit normally.
Senior agronomist Jiang Fuqiao introduced, “In recent years, when major corn growers in the Altay area control weeds in corn fields, the basic herbicides used are nicotine atrazine and 2-methyl-4 chloride sodium. But nicotine atrazine It is mainly used to control annual weeds in corn fields. It is especially sensitive to melon crops. 2-methyl-4 chloride is mainly used to control broad-leaved crops in gramineous crop fields. Gourd is a broad-leaved crop, so gourd weeds these two types of weeds. Strictly speaking, it is safer to stay away from broad-leaved crops one kilometer away when there is no wind. If there is wind above level 2 and the drone operator does not operate properly, Deviation from the target of prevention will cause greater losses."
In the end, the appraisal experts found that the cause of the phytotoxicity of the gourd planted by Zhang was used to prevent weeds in the corn field. When there was wind above level 2 and the drone operated improperly and deviated from the control object, the herbicide (smoke) was sprayed. Pyramorazine and 2-methyl-4 sodium chloride).
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