Growing Spring onion: Scallions are an indispensable spice in Vietnamese cuisine. Whether it is soup, stir-frying or porridge cooking, Vietnamese people still have the habit of putting some chopped scallions on top. Just decorate the dish more beautifully, just increase the flavor for home meals.
The technical process of planting scallions is divided into the following steps:
Step 1: Choose the same
Currently there are 2 popular varieties of onion: Purple onion (reed) and white (pilgrim). Purple onions farmers prefer to grow because of their high yield, less pests and less leaf breakage. Stem pilgrimage and small root but very fragrant ..
Step 2: Prepare the soil
The onion can be 1.2 to 1.4 m wide, about 20 – 40 cm high, and the soil must be small and clean of weeds. Planting season can be as low as 20-25 cm is satisfactory.
Step 3: Planting techniques
Season: Scallions can be grown year-round, but yield in the dry season is higher in the rainy season. Growth time 45-50 days. Planting onions during the sunny season, paying attention to the deep green skin, and in the rainy season, the leaves will be dry.
How to grow: The amount of seed needed for 1000 m2 is: 300-400 kg (rainy season) and 400-500 kg (dry season). Row spacing: 20-30 cm. Distance from tree: 20-25 cm. Each cavity, 2 cloves onions. The groove between the two widths: 20-30 cm. Planting distance depends on the crop. The sunny season can be grown thicker than the rainy season. Planting with root plants, choose old trees, big roots, not too soft, hard leaves, white chalk. Onions bought right after planting, one can transplant 4-5 rows depending on the width of the surface. Need to spread a thin layer of straw on the surface of the bed before planting to keep the plants warm after planting, especially in the rainy season. If to help the tree grow faster, use a pointed pestle with a depth of 2-3cm and transplant onions.
Fertilizing the plants: The amount of fertilizer needed for the plant depends on the needs of the tree, soil fertility (for 1,000 m2). Can refer to the fertilizer formula as follows: Basal fertilizing (before planting): Rice husk ash (composted): 200-300 kg, 10 kg DAP (or 20 kg Super phosphate) Top dressing: Can mix fertilizer into water Irrigation Session 1 (8 days after planting): 5kg DAP Session 2 (16 days after planting): 10kg DAP
Session 3 (23 days after planting): 15kg DAP
Note: It is advisable to stop watering and spraying fertilizer at least 7 to 10 days before harvest.
Harvest: Onions can be harvested for 45-60 days. But it is possible to harvest earlier or later depending on the market and price. A public works (1,000m2) can harvest 4 tons (favorable season – dry season) and reach 2 tons (inverse season). Stop
