The latest course on planting techniques and methods of black beans
Black bean is a kind of soybean, because its seed coat is black, also known as horse beans, winter beans, often used to cook porridge in life, with the effects of dispelling wind and heat, detoxification and diuresis, tonifying kidney and nourishing blood, but also rich in a variety of nutrients needed by the human body, is a collection of edible and medicinal crops, deeply loved by people. So it's so powerful, how many people know how it's grown? Next, let's take a look at the planting techniques of black beans.
1. Seed selection treatment
The quality of seeds determines the yield and quality, so it is very important to select varieties with strong growth, strong disease resistance and stable yield, and to remove diseased, insect and mildew grains. Large seeds with spherical and oval shape and light white powdery surface are selected for sowing. Treatment should be carried out before sowing to improve the germination rate. when the weather is clear, spread the seeds on the ground, turn them over for 1-2 days, and then mix them evenly with zinc sulfate and borax diluent to eliminate the germs on the surface.
2. Soil preparation and fertilization
Select the flat land with loose soil and good drainage for planting, turn deeply for 15-20cm before planting, rake the soil fine and flat after turning, and require the soil to be fine and broken, without obvious soil and stone. Fertilize the land after soil preparation before sowing, apply farm manure 2000-3000kg per mu, or use organic fertilizer 400kg, mixed with phosphorus and potassium fertilizer and other fertilizers, farm manure is applied before soil preparation, while organic fertilizer and other fertilizers are applied when turning over the soil.
3. Sowing and raising seedlings
Black beans can generally be sowed when the soil temperature is 10 degrees, generally in March-April, hole sowing and strip sowing can be used, if they are not planted in the same land as other crops, strip sowing is generally used. Strip sowing should pay attention to the neatness and consistency of covering soil to prevent differences in depth, and pay attention to sowing density, which should not be too thick, generally leaving about 10, 000 plants per mu; burrow sowing 3-4 seeds per hole, covering soil 3-4cm, using 2-3kg per mu. After sowing, we should pay attention to the situation in the field, check in time after emergence, and find that the missing seedlings should be replenished in time. When the compound leaves are grown, we can carry out inter-seedlings and remove diseased seedlings, weak seedlings, miscellaneous seedlings and so on.
4. Field management
Field management includes ploughing weeding, fertilizer and water management, topping chemical control and pest control and so on. Black beans should carry out 3-4 times of intermediate ploughing and weeding from seedling emergence to flowering, the first time at the beginning of seedling emergence, the second time at inter-seedling stage, and the third time at seedling height 10cm. After the black bean enters the flowering stage, after each growth stage, the base fertilizer has been consumed almost, so it is necessary to topdressing to maintain the nutrient supply, generally applying urea of 5kg per mu, after podding, foliar spraying and root spraying can be carried out according to the growth condition, watering in time in the dry period, drainage and waterlogging prevention measures should be paid attention to in the overcast and rainy season. In order to make the plant start to bear fruit and inhibit the plant growth to be too dense, it is necessary to pick the heart when 5-6 leaves grow, to make it grow horizontally, and to remove the terminal bud in time to promote the growth of branches when it grows 4-5 branches. The main diseases of black bean planting are mosaic virus disease, bacterial spot disease, insect pests are aphids, heart-eating insects, so it is necessary to control them.
The above is the black bean planting technology brought by the pro-agricultural network. I hope it can help you. If you want to know more about legume planting, please pay attention to the pro-agricultural network.
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The latest black bean common pest control methods
Black beans will also suffer from pests and diseases when planted. Black beans have stronger disease resistance than other beans. Generally, there are relatively few diseases, mainly pests. In recent years, with the increasing planting area, the frequency of pests and diseases has become higher and higher, affecting the length of black beans.
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