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.
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Customer: TD Kisson