Bakanae disease is a kind of disease transmission. In the early rice production in recent years, the danger of bastard disease has been on the rise and must be controlled and prevented. The use of pesticide seed dressing and soaking and disinfection is the most economical and effective method for controlling and preventing early rice bastard disease.
1, drug seed dressing. Can choose 62.5% fine chromic nitrile suspension seed coating agent, for every 100 kg of seeds coated with this agent 300 --- 400 grams of rice seed, the efficacy of bataxel disease can reach more than 90%. Good effect, easy operation and low cost.
2, pharmaceutical soaking. Can use 25% cyanogen bacteria suspension 2000---3000 times liquid. You can also choose to use 17% of citric acid WP 200-400 times. Or 20% bronopol wettable powder 800 --- 1000 times liquid soaking.
There are three things to note when soaking:
1, to ensure the soaking liquid concentration. Do not blindly increase or decrease the concentration, otherwise the effect will be affected.
2, to ensure that soaking time 48-60 hours. After soaking, it is not washed and sowed directly or sowed. Generally no germination is lighter than the incidence of germination. Because in the process of seed germination, germs can contaminate disease-free seeds. If the solution is not soaked, the germs spread and spread again to invade the bud and cause disease.
3, dip soaked, liquid medicine to flood the rice species. A pot of liquid is used only once. When the amount of grain is high, the seeds must be soaked in batches. The liquid can not be reused.
Hydroponics is a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent. Terrestrial plants may be grown with only their roots exposed to the mineral solution, or the roots may be supported by an inert medium, such as perlite or gravel. The nutrients in hydroponics can come from an array of different sources; these can include but are not limited to waste from fish waste, duck manure, or normal nutrients.
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