Planting Technology Lists
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What is a fungicide? How many kinds are there?
What is a fungicide? How many kinds are there? Please describe the use of certain doses or concentrations of chemicals called fungicides that can kill or inhibit the growth of some bacteria or fungi that cause plant diseases. There are two main principles of fungicides to control diseases: chemical protection and chemotherapy. Chemical protection.
2018-07-14 -
What are the functions of fungicides and what is their principle?
What are the functions of fungicides and how to use them? Please introduce that there are two ways of action of fungicides: one is protective fungicides, the other is internal fungicides. Protective fungicides come into direct contact with pathogens in vitro or on the body surface of plants, killing or inhibiting pathogens, making them unable to enter plants, thereby protecting plants.
2018-07-14 -
What is the effect of the fungicide copper hydroxide?
What is the effect of the fungicide copper hydroxide? Please give an introduction to the fungicide copper hydroxide: other names are Shide, Crown Copper, Fengshuan, etc. The common dosage forms are 77% copper hydroxide wettable powder, 57.6% copper hydroxide dry granule, 37.5% copper hydroxide suspension, 25% copper hydroxide suspension, currently in agriculture.
2018-07-14 -
Can fungicides be mixed with microbial pesticides?
Can fungicides be mixed with microbial pesticides? Please explain that fungicides should not be mixed with microbial pesticides. Because many fungicides have a killing effect on microorganisms, mixing easily makes microbial pesticides ineffective. In addition, it should also be noted that: it is a variety of compound pesticides, and it is necessary to understand them before use.
2018-07-14 -
How to identify the fungicide streptomycin?
How to identify the fungicide streptomycin? Please give guidance on the method to identify true and false pesticide streptomycin as long as it is not difficult to master the identification method. Now several simple physical identification methods are introduced as follows: 1. Hand touch: the fungicide streptomycin is not slippery and sticky after a certain period of time. The hand twist of fake medicine is smooth.
2018-07-14 -
What problems should be paid attention to when filling roots with fungicides?
What problems should be paid attention to when filling roots with fungicides? Please introduce that in order to prevent vegetable root diseases, vegetable farmers often use fungicides to irrigate roots. Although the effect is good, some matters needing attention in root irrigation must not be ignored, otherwise there will be side effects. First, the shed that has used bacterial fertilizer does not use fungicides to prevent disease as far as possible. For.
2018-07-14 -
What should we pay attention to when filling the root with fungicides?
What should we pay attention to when filling the root with fungicides? Please introduce that root irrigation with fungicides is a simple and effective measure to control crop root diseases. But when filling the root, you should pay attention to the following points. The choice of drugs should be reasonable: choose fungicides with strong pertinence and high therapeutic function, do not use them blindly.
2018-07-14 -
Why should fungicides not be watered before and after root irrigation?
Why should fungicides not be watered before and after root irrigation? Please introduce the reason why it is not suitable to be watered before root irrigation with fungicides. First, because the root disease of crops has already occurred, if watered, the germs will spread with the running water, resulting in more dead trees. Second, because watering can easily lead to the decline of soil permeability, root hypoxia, production.
2018-07-14 -
What should fungicides be irrigated to prevent diseases and insect pests?
What should fungicides be irrigated to prevent diseases and insect pests? Please give the introduction of fungicides to prevent diseases and insect pests should pay attention to the following points: first, the choice of drugs should be reasonable: choose fungicides with strong pertinence and high therapeutic function, do not use drugs blindly, reduce waste as much as possible, and prevent delay in prevention and treatment.
2018-07-14 -
How to control eggplant bacterial wilt caused by bacterial wilt
How to control eggplant bacterial wilt caused by bacterial wilt
2018-07-14