Pesticide preparations need to be safe and effective. How can they be safe and efficient?

How to use pesticides scientifically and safely? At present, pesticides are indispensable in the process of crop planting. The scientific and safe use of pesticides not only has an important impact on pesticide users, crops, environment and consumers. So today, Bian Xiao will briefly talk about the use of pesticides and matters needing attention, hoping to help everyone.

1 early detection and early prevention: don't wait until the pests and diseases are serious to think of using drugs, but use drugs in time in the early stage of pests and diseases. Because the efficacy of botanical pesticides is slower than that of chemical pesticides, the control effect will not be seen immediately after application, but will be delayed for 2-3 days.

2. Scientifically and rationally screen multifunctional compound preparations, focusing on the development of herbicide mixed varieties. Mixing pesticides reasonably and scientifically or making mixed preparations has the advantages of synergism, expanding control spectrum, reducing pesticide toxicity, delaying resistance, saving labor and reducing agricultural cost. Pesticide mixing in China is dominated by pesticides, accounting for about 70% of the total mixing. The small proportion of herbicides is not unrelated to the variety structure of pesticides in China. With the adjustment of pesticide variety structure and the development of herbicides in China, the focus of mixture development should be the mixture varieties of herbicides.

Strictly control the application concentration, dosage, dosage form, frequency and application method of pesticides. Among pesticide formulations, the residue of emulsifiable concentrate is large, followed by milk powder and wettable powder, and the residue of aqueous solution is low. In the application method, the residue of seed treatment and soil treatment is higher than that of spraying and dusting.

Before using pesticides, we should investigate the occurrence of diseases, insects, weeds and other pests. For those that cannot be identified and determined, it is necessary to consult relevant information or consult relevant experts, make clear the prevention targets and get prevention guidance, and then select appropriate pesticide varieties according to the prevention targets.

Especially when selecting biopesticides, it must be made clear that if the efficacy of biopesticides is slow, it is generally necessary to apply them in advance, and it must be made clear how long it will take for a certain drug to show obvious effects after use, otherwise it will often lead to repeated use of drugs, which will not only increase the economic burden, but also increase the environmental pressure. The same medicine may have different trade names, so be sure to understand it when using it. Sometimes, due to different dosage forms and different methods of use, it must be used in strict accordance with the instructions.

As pesticide users, firstly, according to the actual situation, optimize the environmentally-friendly pesticide varieties or pesticide formulations; Be sure to read the instructions on the pesticide label carefully before using it to understand the characteristics and precautions of the pesticide. In the specific application process, it is necessary to reasonably control the dosage and frequency of application, reasonably select the application mode, reasonably grasp the application opportunity, optimize the advanced application equipment, improve the utilization rate of pesticides, and avoid harm to non-target organisms. ?

I hope Bian Xiao's answer can help you!