harmful Learn more about harmful
-
Did you know that flowers can remove indoor harmful gases?
Did you know that flowers can remove indoor harmful gases?
2020-12-03 -
Which crops will be harmful to common pesticides?
Which crops will be harmful to common pesticides? Please introduce the following harmful effects of common pesticides on crops: stone sulfur mixture: it is harmful to peaches, plums, plums, pears and other plants. If used on these plants, it is best to spray them in the deciduous season, not in the growing season or during the flowering and fruiting season. Fenitrothion: in.
2018-07-14 -
What is the occurrence regularity and harm of sugarcane borer? How to prevent and cure?
Sugarcane borer, also known as sugarcane borer, is a common and serious pest in sugarcane growth. So what is the occurrence regularity and harm of sugarcane borer? How to prevent and cure? First, what is the occurrence regularity and harm of sugarcane borer? The common borers in sugarcane fields are:
2020-11-09 Sugarcane borer occurrence regularity and harm what is it how -
How big is the harm of pesticide residues in vegetables?
We all know that pesticide residues in vegetables are harmful to health, but how harmful are pesticide residues in vegetables? Let's take a look at it with the editor. Farmers.
2019-02-26 -
Harm regularity and control methods of leaf mites in main diseases and insect pests of deciduous trees and ginkgo biloba trees
Ginkgo is a large deciduous tree with a DBH of up to 4 meters. The fruit of ginkgo is commonly known as ginkgo, so ginkgo is also known as ginkgo. Ginkgo tree grows slowly and has a very long life. under natural conditions, it takes more than 20 years from planting to bearing ginkgo fruit, and it takes 40 years to bear a large amount of fruit, so some people call it Gongsun tree.
2019-04-13 -
Harm regularity and control methods of leaf mites in main diseases and insect pests of deciduous trees and ginkgo biloba trees
Ginkgo is a large deciduous tree with a DBH of up to 4 meters. The fruit of ginkgo is commonly known as ginkgo, so ginkgo is also known as ginkgo. Ginkgo trees grow slowly and have a very long lifespan. Under natural conditions, it takes more than 20 years from planting to bearing ginkgo fruit, and it takes 40 years to bear a large amount of fruit.
2020-11-09 Deciduous large trees ginkgo trees main diseases and insect pests leaf mites -
Control of Diseases and Pests of Cortex phel
Control of Diseases and Pests of Cortex phel
2018-06-29 -
What are the harmful insects?
What are the harmful insects?
2018-07-03 -
Green plants must be raised to absorb harmful gases to make their families healthier and healthier.
Green plants must be raised, absorb harmful gases, let the family live more and more healthy home after the completion of decoration will have a variety of harmful gases, generally we will choose a ventilation treatment. But although this kind of practice.
2018-06-14 -
The harm of excessive application of nitrogen, phosphorus and potassium fertilizers
The harm of excessive application of nitrogen, phosphorus and potassium fertilizers
2019-08-07 -
How can unripe organic fertilizer do so much harm to crops?
How can unripe organic fertilizer do so much harm to crops?
2019-02-19 -
The problem of spicy gluten factory is closed: the harm of spicy gluten problem, the harm of spicy gluten production process
Do you like spicy gluten? Spicy gluten is a favorite of many children, and some big friends also like to eat spicy gluten, but do you know that in the production of spicy gluten, it may be very unsanitary, it will make people eat more, is there a lot of harm? On the evening of CCTV on March 15th
2019-03-16 Question spicy gluten factory closed spicy gluten ask question harm do you like -
How to reduce the harm of chemical fertilizer
How to reduce the harm of chemical fertilizer
2020-03-03 -
There are smokers at home. These four kinds of plants can help you suck away the smoke. Do you have a family?
It is certain that attraction is harmful to health, but I believe that smoking is harmful to the health of others. Although I know it is a bad thing to harm others and harm themselves, it is too difficult to quit, and some plants can grow well in smoking rooms.
2018-05-24 -
If the family is in low spirits, they should beware of formaldehyde, which is a special treatment for harmful gases.
Now, not only newly decorated families, but also houses decorated for several years or even more than ten years, there are still harmful gases such as formaldehyde and benzene. In our lives, it is not only decoration materials that produce formaldehyde, but also many.
2018-08-25 -
What pests should be controlled in blueberry cultivation?
What pests should be controlled in blueberry cultivation? What is the main harm? Also ask the netizens who know to help introduce the common pests of blueberries, such as leaves, stems, roots, flowers and fruits, which hinder the growth and development of the tree, reduce the yield, reduce the commercial value of the fruit and even lose the commercial value of the fruit. Therefore, the farming network is arranged.
2018-07-17 -
What are the insect pests in maize seedling stage
The seedling stage of maize is the period with the most species, the most concentrated occurrence and the most serious harm of pests. If it is not prevented in time, losses may be caused. So what are the insect pests in corn seedling stage? First, thrips are mainly harmful to heart leaves, usually in seedlings.
2020-11-08 Corn seedling stage pest which corn seedling yes -
To purify the air, it is necessary for it to keep a basin of harmful gases at home to help the family's health.
Purify the air to "it", raise a basin at home, absorb harmful gases to help the family health after the decoration of the new house need to do breathable work, because many decoration building materials will release toxic and harmful substances for a long time, which is harmful to our bodies.
2018-10-21 -
What does a corn thrips look like? What are the harmful symptoms? What are the prevention and control techniques?
Thrips are maize seedling pests, mainly corn thrips, thrips, rice tube thrips, small (0.9-1.3 mm), can fly and jump. So what does the corn thrips look like? What are the harmful symptoms? What are the prevention and control techniques? What is a corn thrips?
2020-11-09 Corn thrips what is appearance harm symptoms yes -
What are the common underground pests?
What are the common underground pests?
2018-07-03