Simple onion cultivation technique for highest yield (VietQ.vn) – Onions are widely cultivated throughout the world and in our country. Onions are highly economical, easy to grow and will yield very high yields if farmers master the onions cultivation technique below. Forming and ripening of onions takes place quickly and early in long days and strong light. Short onion varieties produce normal tubers under tropical conditions.
How to grow onions is not difficult, but in order to achieve high yields, people need to apply the right onion cultivation technique. Onion varieties The right onion planting technique will determine the yield of the crop The onion varieties grown in our country are mainly F1 hybrids, seeds from France, Japan, the United States … Currently in the region of Tu Ky – Hai Duong grows popular 3 American F1 varieties: Granex, Grano. These varieties have growth time of 90 – 100 days, the average yield of 1.4-1.7 tons / north pole.
Early planting techniques: Sow from August 5 to 10 or September 5 to 10. Main crop: Sow from September 5 to 10, plant in early October to mid-autumn in December. Prepare seeds: Before Sow 1 day should open the same 1 night seed to hygroscopic seeds. Nursery soil: neutral pH, high ground, airy, easy to drain. Make a 25cm-30cm raised bed; 80cm wide bed surface. Do not make the beds too wide to drain water more easily. After sowing, use chopped straw or rice husk to sprinkle on and water. When the tree is 3-5 cm tall, it is necessary to prune unqualified trees: the plants are poorly developed, pestilent, tuber-shaped trees have one small leaf. Cultivating soil