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Fenvalerate method
At night, spray fenvalerate evenly in the ditch, then bury the cage on the bank, and the next morning you can catch the crayfish that crawl into the cage and pass out. Although this method can catch shrimp, it is very toxic to crayfish and will be direct.
2020-11-11 Cyanoamyl permethrin prawn method at night sometimes cyanoamyl -
Is watermelon worm a pest or a beneficial insect?
Is watermelon worm a pest or a beneficial insect?
2018-09-07 -
Is watermelon worm (rat woman) a pest or beneficial insect? What kind of food do you eat? Is it poisonous?
Watermelon insects are known as rat women, also known as tide bugs, cluster worms, ground lice women, and so on. They are commonly known as female animals of the family Tetranychidae. There are more than 150 species in the world, so are watermelon insects pests or beneficial insects? What kind of food do you eat? Is it poisonous? There are many kinds of watermelon insects.
2020-11-11 Watermelons worms rat women yes pests or beneficial insects eat what -
The word "steady" should be the first in the management of cotton bud stage.
At present, cotton has entered the bud stage one after another. As the saying goes, "if cotton wants high yield, the stable growth of bud stage is the foundation." According to the investigation in the countryside and the problems encountered in the technical guidance, combined with the climate characteristics and the growth trend of cotton this year, the author thinks that the management of bud stage should be carried out around the word "stable" on the basis of "simplification, labor saving, high yield and high efficiency". And measures should be flexible and suitable for seedlings. The specific points are as follows: first, with the promotion of plastic film cotton and the use of herbicides, the number of intertillage is significantly reduced, but the necessary intertillage is still necessary.
2019-01-16 -
How to manage the florescence of jujube?
How to manage the florescence of jujube? Is there any way to prevent and control the flowering and fruit drop of jujube? Also ask experienced netizens to help introduce because the jujube tree has a long flowering period, a large number of flowers, and a very large consumption, and the flower bud differentiation in this period is carried out synchronously with fruiting branches and fruit setting, which leads to the non-fruiting or large amount of jujube flowering.
2018-07-17 -
Carrot pests: control methods of cabbage worm, red stripe bug, microtube aphid, tobacco green worm and small leaf roll moth
The planting process of carrots is often attacked by insect pests, such as cabbage worm, red stripe bug, microtube aphid, tobacco green worm, small leaf moth and so on, which seriously affect the yield and quality of carrots and need to be controlled in time. The main pest control methods of carrots are introduced as follows.
2020-11-09 Carrots pests cabbage insects red stripes bugs microtubules aphids