Black soybean cultivation technology

Black soybeans are also known as black pearls and black-skinned green meats. They have high protein and fat content and are rich in vitamins and trace elements. In addition to the characteristics of eating ordinary soybeans, there is still a high medicinal value, long-term consumption can soften blood vessels, prevent and treat a variety of diseases, strong body and strong body, it has the reputation of strong beans. Black soy and black, green, high-nutrition health products in one, favored by consumers.

I.Characteristics: Black soybean growth period is about 130 days, plant height is 90 cm, indefinite knot habit, main stem branching is 7-10, plants are fan-shaped, flowers are dense and dense, single plant is effective 荚150-160, Up to 300; more than 3-4 pods, 100-grain weight 35-38 grams. Strong resistance to disease, mature green leaves. General mu production 125-150 kg, high-yield land can break 400 kg. Therefore, black soybeans have been listed as a key grain variety in Montenegro. We conducted demonstration experiments on black soybeans and explored a set of high-yielding cultivation measures.

Second, the selection of sowing: planting black soybean should choose more than soil fertility above the weight of the land does not greet. Generally, the planting period is appropriate from May 1-5, and the seedlings are mainly planted with 6000-8000 strains per mu. Each mu of high-quality fertilizer 3000 kg, compound fertilizer 10-15 kg as a base fertilizer; in the bud flowering period topdressing urea 8-10 kg per mu, in order to meet the black soybean demand for nutrients.

Third, field management: Black soybeans are very sensitive to the moisture requirements, in the case of drought in the flowering period should be timely irrigation, in order to promote full grain, increase production. The pests of black soybean mainly include aphids and soybean borer pests. The control of aphids can use 2.5% bismethrin (dichlormic) emulsifiable concentrate 4000-6000 times liquid per acre 50 kg evenly; control soybean soybean insects with dichlorvos fumigation method. The main diseases of black soybeans are leaf spot disease. In the flowering period, 50% carbendazim wettable powder 800 times liquid can be used, sprayed once every 15 days, and sprayed 2-3 times in succession, and the effect of disease prevention and treatment can be received.

Fourth, timely harvest: When the black soybean leaves from the green yellow gradually fall off, the stem was brown, the seed coat becomes black in the inherent color of the species can be harvested. The harvest party blasted and shattered. Immediately threshing after harvest to prevent damage to soybean borer.

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Single Packed Mottled Waxy Corn

Waxy corn comes in a variety of colours. Some people wonder if waxy corn is a genetically modified product. In fact, it is not. Waxy corn originated in China. It is caused by a genetic mutation. Artificial selection gradually led to the emergence of a type of tannin.

Waxy corn, also known as waxy corn, is sticky corn. The grain has coarse, waxy endosperm, similar to shiny, glassy (clear) grains such as hard and dented corn. Its chemical and physical characteristics are controlled by a recessive gene (wx), which is located on chromosome 9. 100% of the starch in the endosperm is straight-chain starch.

Coloured glutinous corn is generally white, yellow, red, purple and black, with white, yellow and purple corn being the basic colours. Purple and white hybrids naturally become purple if the purple gene "beats" the white gene and vice versa, so if the two tie we see white and purple corn. Purple can turn into red and black corn, or as we often say, "red is purple and black is purple". Of these colourful corn, the most common yellow waxy corn is the most nutritious as it is rich in carotenoids...

Currently, the only genetically modified foods sold on the Chinese market are soybean oil and papaya. Waxy maize is a hybrid variety and is not associated with genetic modification. Therefore, it can be concluded that glutinous maize is a hybrid variety and has nothing to do with genetic modification.

Genetic modification is a type of "genetic engineering" in modern science and technology, which makes use of modern molecular biology techniques. Hybridisation is the mating of individuals of different genotypes to produce offspring that are different from the original "pure" breed. In a sense, it belongs to the natural exchange of genes that can occur in nature.

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