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Cultivation of leaf onions.

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Leaf onion is one of the most important spice crops. It is also known as Japanese bunch ing onion. This species has two main parts - green leaf and white thick pseudostem. This type of onion does not produce bulbs like ordinary bulb onion (Allium cepa L). However, bulb enlargement is observed at the base of the white pseudostem. This species of tree is perennial. After seed collection, Kushi can be re-cultivated as Ratoon crop. As a result, once this crop is cultivated in a land, there is no need to sow new seeds or seedlings in that land. It is possible to cultivate ratoon crop year after year only by uprooting old trees and weeding and applying fertilizer.


Leaf onions propagate through seeds or kushi. The tendency of this crop to produce kushi is very high. This species is tolerant / resistant to various diseases including purple blight. Its leaves and flower stalks (scape) are hollow. Due to the presence of allyl propyl disulfide, it tastes and smells like ordinary onion. This spice is widely used in culinary. Except for its root or yellow leaves, all the parts including the flower stalk make the various foods delicious and fragrant. It is eaten raw as a salad or boiled with various curry / other foods. It can also be eaten as a mash. Usually thick white pseudostem is used in meat or other vegetables and green leaf is used as salad or in flavoring soups, noodles, sandwiches etc. It has enough nutrients. Per 100 g edible portion of leaf onion contains moisture (7.9%), carbs (1.6%), fat (0.1%), minerals (0.6%), sugars (18.2%), calcium (0). 05%), Phosphorus (0.06%), Iron (2.3 mg), Vitamin-A (30 IU), Vitamin-B1 (0.23 mg, Vitamin-C (11 mg) and Energy (34) It has many medicinal properties. It helps in digestion and enhances eyesight. It helps in relieving headaches, rheumatic pains and colds. ) The shape of the leaf onion is quite attractive.The production technique of this variety of onion is described below.


Soil and weather
Leaf onions grow in all types of soils but have good yields in sandy loam and poly loam soils. However, it does not grow well in high acid and alkali soils. It is better to have a soil cover of 65.8-6.5 for the tree to grow well. Soils rich in organic matter are good. It is recommended to have drainage system in the leaf onion field. It can grow in both cold and hot temperatures. Other Allium spp. The onion plant of this species is very tolerant of heavy rains. The leafy onion plant established in the land is also tolerant to drought. Although the length of the day is longer, the onion tree continues to grow, which means that the cultivation of this onion is suitable even in summer and rainy season in our country. Onions of this species flower at low temperatures and on small days.


Sowing of seeds and lifting of seedlings
Seeds are sown in the seedbed between February and April. However, when the seeds are sown in October-November, flowering starts after a few days. Row cultivation requires 4-5 kg ​​of seed per hectare of land. However, 8-10 kg seed per hectare is required for scattered sowing. After soaking the seeds in water for 24 hours and tying them in a dry thin cloth for 12 hours, the seeds germinate. Rotten dung in the seedbed is sifted with manure. It is better to use furadan in the seedbed to control different types of insects and worms. Later the seeds are spread evenly in the seedbed and 0.4-0.5 cm above it. The seedbed has to be pressed by hand by applying loose soil. Other care is done including weeding in the seedbed. When the seedlings are 40-45 days old, it is suitable for planting in the main land. After lifting the seedlings, about one-third of the seedlings have to be pruned and planted. This results in less water coming out of the seedlings after planting and the seedlings stick well to the soil. 7-8.5 lakh saplings are required for one hectare of land.

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