-
Pesticide residues in grains and vegetables all exceed the limits, so why is there absolutely no need to worry?
Today's grains and vegetables all have pesticide residues exceeding the limits, but you have absolutely no need to worry! This chubby guy is about to defy gravity. Earning money isn't easy, and the fruit stall has to keep up with the times too. Passing by...
-
What should you do if pesticide damage occurs while watermelons are growing? Here are the remedies
In recent years, as the watermelon planting area has grown larger and larger and continuous cropping has become more and more common, pests, diseases and weeds have occurred more and more seriously. In order to increase yield and reduce losses...
-
How to remove pesticide residues from the surface of fruits and vegetables? Practical methods are here
Now, 99% of agricultural products have been treated with pesticides to varying degrees during production. Because the growing period is short and pests occur frequently, most fruits and vegetables are sprayed...
-
Pesticide real-name registration is here, so be careful about buying pesticides freely
When we sell vegetables at the market, we always hear all kinds of news: "This vegetable looks so good, it must have been sprayed with lots of pesticides. You can't buy it and you can't eat it." "Let me tell you...
-
There are rapid pesticide residue detection methods, but 80% of pesticides cannot be detected
Rapid pesticide screening biochemical methods are fast and cheap, but 80% of pesticides cannot be detected. How can food safety be guaranteed? Let's take a look. "Rapid pesticide screening" is also called "rapid biochemical testing method," or "biochemical method" for short. It is promoted for its short testing time and low cost, and is widely used by major markets
-
What Types of Pesticide Insecticides Are There? A Detailed Guide to Selection Precautions
1.1 Classification by composition and source: Inorganic insecticides, such as lead arsenate, calcium arsenate, arsenites, sodium fluoride, sodium fluorosilicate, sulfur, zinc phosphide, etc. Organic insecticides. Natural organic insecticides can be divided into botanical insecticides (such as derris, pyrethrum, tobacco, pine resin, santonin, toosendanin, etc.) and mineral-derived insecticides...
-
There's more to choosing an insecticide than meets the eye: remember these four things to look for
(1) Derris extract is a botanical insecticide extracted from the roots of derris, with contact and stomach poison action, and is quite effective against aphids and lepidopteran larvae. It is extremely safe for humans, livestock and crops, and is especially suitable for use on fruit, vegetables, tea and mulberry; the usual spray is a 500-800 times dilution of 2.5% derris extract emulsifiable concentrate. (2) Bacillus thuringiensis belongs to Bacu...
-
What types of plant growth regulators are there?
What should be noted when using plant growth regulators on vegetables? I would like to ask for advice. The use of plant growth regulators on vegetables is already very widespread and has brought considerable benefits to vegetable growers, but some vegetable growers rely too heavily on plant growth regulators, arbitrarily increasing the dosage and raising the concentration, causing phytotoxicity and unnecessary losses. To avoid...
-
What types of plant growth regulators are there? Understanding the classification in one article
What types of plant growth regulators are there? An introduction. Plant growth regulators refer to synthetic chemical substances with hormone activity. According to their growth effects on plants, they are divided into three major categories: plant growth promoters, plant growth retardants, and plant growth inhibitors. Plant growth promoters: mainly include...
-
What types of herbicides are there? A detailed explanation of common types in one article
What are the common types of herbicides? What varieties are there under these types of herbicides? We ask knowledgeable readers to help explain. Herbicides can be classified by mode of action into systemic translocated herbicides and contact herbicides; if classified by action, they can be divided into selective herbicides and non-selective herbicides; Zhongdiwang has...
条件筛选