How to prevent rice stem borer?
How to prevent rice stem borer? Please introduce the methods of rice stem borer prevention can refer to the following methods: 1, agronomic measures. When the damaged plants of withered sheath, withered heart and withered ear are found, they should be pulled out in time, which can not only reduce the number of insects, but also prevent the larvae from turning into plants. 2. Chemical control. The plots that reach the control target should adopt the prevention and control strategy of "giving priority to treatment, supplemented by universal treatment, and skillfully treating young age". The control effect is good during the peak period of egg hatching. 5% Regent suspension agent can be selected, 30 kg water can be sprayed with 40 ml per mu, or 500 ml of 18% Shachongshuang dripping agent can be used per mu. The drugs were used 3-5 times during the whole rice growth period (7-10 days apart). The occurrence of serious land in the previous year should be prevented in advance. Click to get more rice planting techniques click to get more food crop planting techniques
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How can autumn buckwheat be planted with high yield?
How can autumn buckwheat be planted with high yield? Please give an introduction to planting methods. Autumn buckwheat can be planted with reference to the following methods: 1. Select high-yield varieties. Main push buckwheat improved variety west buckwheat 1, west buckwheat 2. 2. Early sowing and mixed sowing in due time. Autumn-summer sowing is appropriate, no later than the end of August. Drying before sowing 1...
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Which insect pests should be controlled in the middle and later stage of rice?
Which insect pests should be controlled in the middle and later stage of rice? Please give an introduction and control methods for rice pests to be controlled in the middle and later stages of rice are as follows: 1. Rice planthopper control: Rice planthopper mainly lives at the base of rice bushes and absorbs plant juice to make rice plants yellowing and affect yield. ① 25% Youlade wettable powder is used per mu.
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