Technology of growing onions in the south of Ukraine скачать в хорошем качестве

Technology of growing onions in the south of Ukraine

We grow onions from sowing seeds to harvest. Teaching video and theory. Onions - a popular vegetable crop, food product. Mature onions contain minerals: sulfur, potassium, phosphorus, calcium, magnesium. The composition also includes vitamins: C, A, B1, B2 and essential amino acids (up to 520 mg per 100 grams). This is a perennial plant, which consists of: tubular leaves; Modified shoot - onion; Donets - shortened escape, in which buds are laid. Onions - cold-resistant culture, growing from +5 degrees Celsius. Sowing is done in early spring. Predecessors: tomato, melons, winter wheat. Pre-sowing tillage includes cultivation and leveling. Sowing depth - up to 3 cm. Further, on the cultivation of onions from sowing to ripening: sowing scheme and seeding rate; the importance of seeding accuracy; Onion root system and water supply; periods of onion growth: sprouting and development of the bulb; problems of bulb growth; drip irrigation of onions, placement of irrigation tapes; removal of batteries; fertilization by the method of fertigation; phosphate fertilizers for onions: when to give and for what; nitrogen for growth; potash fertilizers and orthophosphoric acid are applied from the phase of 6-7 leaves; the use of potassium humate (Concentrated Growth); leaf top-dressings (phase 3-4 of this leaf); the use of trace elements (Chelate Potassium, Manganese,); the use of herbicides on the bow; diseases of onions and the fight against them (instruments and agricultural technology); pests of onions (insecticides and acaricides). Harvesting and storage of onions. ____________ Customer: TD Kisson