There are a lot of reasons why our farmers react to the poor use of pesticides they buy. Based on these questions, we need to know more about how to use pesticides and how much to use. The following is a detailed explanation of the technology. 38 Inch ABS Ceiling Fan There are much more Ceiling Fan styles in our website,such as AC Motor Ball Style Ceiling Fan Light,Crystal Style Retractable Ceiling Fan,Iron Blades Ceiling Fan Without Light ,Solid Wood DC Ceiling Fan ,Real Wood Ceiling Fan with Light,and best Intelligent WIFI Ceiling Fan,ect.And there are more items are not showing on the website,please feel free to contact us directly for more information. Small LED Ceiling Fans,White AC Ceiling Fan,Smart Ceiling Fan with Light,Ceiling Fan With Remote JIANGMEN ESCLIGHTING TECHNOLOGY LIMITED , https://www.jmesclightingfan.com
First, the prevention and treatment time is not appropriate. For example, some pesticides are required to be used when the dew is not dry, so as to enhance the adsorption of the liquid on the surface of the crop; some people disregard the use of the environment, the time of administration, subjective blind use of drugs.
Second, do not read the instructions, increase or decrease the concentration. With the old experience of medicine, it is not known that the concentration is high, the cost is increased, and the waste is caused. If it is too high, it will cause phytotoxicity and cause environmental pollution; if the concentration is low, it will not achieve the purpose of killing pests and diseases.
Third, the medicine did not hit the critical parts of the crop. Due to pests and diseases, some concentrations must be sprayed on the base, stem, leaf or top (in the heart leaf), or toxic soil roots, etc., must be the right medicine, the "position" medicine.
Fourth, the use of pesticides. Long-term pesticides can cause volatilization, deterioration, failure (stratification, precipitation, etc.) and reduce the efficacy. This is especially true for volatile pesticides. The imipenem crystals are crystallized for a long time, and the crystals must be dissolved before use. Dichlorvos must be stored in a cool, dry, sealed condition and should not be left for a long time. Some people don't pay attention to this when they keep the pesticides; they can't use the pesticides at one time, or even spray them in the middle of the sprayer and use them again every few days, which affects the efficacy.
Five, pests and diseases are not divided, Zhang Guan Li Dai. There are also many examples of using insecticides to treat bacteria and bactericides to control insects, and to control another disease or pest that is ineffective against a disease (or insect).
6. Use pharmaceuticals regardless of crops. Some medicines are only suitable for one or several crops. If they are used in other crops, they may have no effect. Sensitive crops may also cause phytotoxicity and residual poison. Dichlorvos is easy to cause phytotoxicity to melons and beans. Try not to use it with caution or use other medicines.
Seven, blindly mixed. I don't understand the physical and chemical properties of pesticides, blindly compounding and mixing them to treat a variety of pests and diseases. As a result, several agents that interfere with each other's effects or can react are used together. Such as carbendazim can not be mixed with copper preparations; carbaryl should not be mixed with dimethoate, alkaline pesticides and chemical fertilizers; insecticides for controlling rice-cotton pests should not be mixed with alkaline pesticides.
Eight, master the prevention and control of the appropriate period and prevention standards. I don't understand the law of growth and decline of pests and diseases . When I see the insects, I will fight. It is still common to see the disease. Early in the fight, the situation of pests and diseases has not stabilized, and the efficacy of the pests has developed. It is difficult to control or cause certain losses after being delayed.
Nine, severe worms and mild diseases. When the insects eat crops, they are visible, but the harm of the disease is not as intuitive as the insects.
Ten, long-term single use of drugs, resulting in resistance to pests and diseases. A place, a cockroach, a crop, a pest, it is not appropriate to apply a (type) pesticide for a long time, otherwise the pests are susceptible to resistance. For example, carbendazim must be mixed with other pesticides or used in rotation to overcome the drawbacks of “drug resistance†and improve control efficiency.
The above factors are the most important, most common, and often overlooked reasons for poor control and ineffectiveness. Therefore, in order to scientifically and accurately use pesticides and achieve the desired results, it is necessary to systematically study the knowledge of plant protection, read the instructions before use, the concentration of use, the time of application, the target of control, the applicable crops and their specific application operations and The methods and other matters are clearly understood to achieve economic, safe and efficient purposes. Of course, when purchasing pesticides, you should carefully identify the pesticides and avoid buying some “pseudo-inferior pesticidesâ€.