Techniques of cultivating pollution-free Green Pepper
1. Seed treatment
Soak the seeds in two portions of boiling water to one portion of cold water at 55 ℃ warm soup. The water is 5 times the volume of the seeds: pour in the seeds and keep stirring for 10 minutes. When the water temperature drops to about 30 ℃, stop stirring, soak for another 12 hours, and bleach the blighted seeds. The temperature of sprouting was controlled at 20 ℃ ~ 28 ℃, rinsed once a day, and dehydrated to change temperature.
two。 Preparation of nutrient soil
The bed soil should be used with vegetable topsoil that has not been planted with Solanaceae for more than 3 years, and the fertilizer should be fully mature and fermented horse dung, circle manure, dry dung, etc.; 0.008 kg of carbendazim and 70% methyl thiophanate 1 ∶ 1 mixture should be used per square meter of sowing bed soil, which is mixed with bed soil, and the requirements of seedling bed soil and sowing bed soil are basically the same.
3. Sowing seeds
When 50% of the seeds germinate, they can be sown and covered with medicinal soil.
4. Treatment from sowing to pre-seedling division
The temperature was controlled at 28 ℃ ~ 32 ℃ in daytime and 18 ℃ ~ 20 ℃ at night, and seedlings could emerge in 6 ~ 7 days, spread a layer of fine soil to make up for cracks, preserve soil moisture and prevent toppling, and the temperature was controlled at 25 ℃ ~ 28 ℃ in daytime and 15 ℃ ~ 20 ℃ at night. Seedling in time, pay attention to low temperature seedling refining 3 days before seedling division.
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Countermeasures for slow growth of vegetables in winter
In order to solve the problem of slow growth of vegetables, we should start with the root system to promote the growth of roots and strong seedlings. 1. Solve the problem of soil consolidation and salinization, which is the basis for promoting root development. Only by creating a safe and favorable root environment can we ensure the root system.
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Techniques of winter irrigation of fruit trees
The best time of winter irrigation for fruit trees is from fruit harvest to soil freezing. The winter irrigation is too early, the temperature is still relatively high, and the evaporation is large, which is not conducive to water storage and moisture conservation, and reduces the cold-resistant and anti-freezing ability of fruit trees. If it is too late, the temperature is on the low side.
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