1. The hazards of pests and diseases and their application methods and requirements. For example, diseases, insects on the plant or the site of damage, pharmaceutical formulations, physical properties and dosage, spray operations (spray, fog, smoke, etc.), spray is constant, low or ultra low volume, etc., in order to select Plant protection machinery type.
2. The natural conditions in the field and the adaptability of the selected plant protection machinery to the subject. For example, the leveling and planning of the plots is the plains or hills, the dry farming or the paddy fields, the size of the fruit trees, the spacing of the trees, and the gaps between the trees. Consider the adaptability of the selected implements in the field and their operation, and the performance between the fruit trees. .
3, the cultivation and growth of the crop. For example, the plant height and density of crops, spraying is at the seedling stage, or in the middle or later stages, and the requirements for the coverage and density of medicinal agents, the height and size of crowns of fruit trees, and the performance of spray (scattering) components of the selected plant protection machinery can satisfy prevention and control Claim.
4. The safety of the selected plant protection machinery in operation. For example, whether there is water leakage, leakage of medicine, contamination of operators, or whether it will cause phytotoxicity to crops.
5, to understand whether the product has been tested and qualified by the product quality inspection department. Whether the product has obtained the promotion license or production license, and understand the validity period.
6. Whether the product and the manufacturer’s reputation are good or not, whether the product quality is stable, whether the after-sales service is good or not, whether the product has ever won a prize that truly reflects quality, and whether it has won a quality award.
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