Detailed Guide to High-Yield Welsh Onion Planting Time and Cultivation Management Techniques

Welsh onion (Allium fistulosum) occupies an extremely important position in China's vegetable production, with vast planting areas and very high yields. Below is a detailed guide to the planting time and cultivation management techniques for high-yield Welsh onion. Interested friends may read on.

I. Basic Introduction to Welsh Onion

1. Origin of Welsh Onion

Welsh onion is a biennial herbaceous plant, also known as scallion, green onion, four-season onion, and shicai. It is cultivated in both northern and southern regions of China, mainly distributed in the northwest, northeast, and north China regions.

2. Value of Welsh Onion

Welsh onion contains nutrients such as protein, sugars, fat, and carbohydrates. Regular consumption has effects such as tonifying yang and nourishing yin, detoxifying and seasoning, inducing sweating and inhibiting bacteria, preventing cancer, increasing appetite, lowering cholesterol, and dilating blood vessels. Welsh onion is warm in nature and pungent in taste, with effects of dispelling cold and strengthening the stomach, eliminating phlegm, sterilizing, benefiting the lungs and promoting yang, inducing sweating and relieving the exterior, promoting lactation and stopping bleeding, and relieving pain and healing wounds. It can be used for dysentery, abdominal pain, arthritis, constipation, and other conditions.

3. Yield per mu and varieties of Welsh Onion

Generally, a yield of 6,000 to 8,000 jin per mu of Welsh onion is relatively easy to achieve, but breaking through 10,000 jin is inseparable from scientific management. In addition, different varieties also have different yields. Currently, the main varieties of Welsh onion include loucong, hucong, horn onion (also known as yellow onion), diyangjiaocong, small onion, improved onion, ditch onion, green onion, old onion, and curved onion, etc. Everyone should choose the most suitable variety for planting according to the different local planting environments.

II. Planting Time and Cultivation Management Techniques for High-Yield Welsh Onion

Generally, the yield of Welsh onion is relatively high, but to obtain higher yields and better quality, one must master cultivation management techniques and timing.

1. Planting Time of Welsh Onion

Generally, Welsh onion can be planted in all four seasons, and planting times differ across regions. Everyone should choose according to actual conditions when planting.

(1) Welsh onion spring planting and autumn harvest: seedlings raised in March-April, transplanted in May-June, harvested in October-December;

(2) Welsh onion spring planting and winter harvest: seedlings raised in March-May, transplanted in June-July, harvested from December to January of the following year;

(3) Welsh onion summer-autumn planting and spring harvest: seedlings raised in May-September, transplanted in September-November, harvested in May-July of the following year;

(4) Welsh onion winter planting and spring-summer harvest: generally seedlings raised in September-October, transplanted in November-December, harvested in May-July of the following year.

2. Cultivation Management Techniques for Welsh Onion

(1) Before sowing Welsh onion, the plot should be plowed and fertilized, and beds made with trenches dug. After sowing, cover with about 2 cm of soil, then cover with straw or plastic film;

(2) Welsh onion likes moisture but is also afraid of waterlogging, so while keeping the soil moist, attention should be paid to drainage. Fertilizers are mainly nitrogen, potassium, and phosphorus, with emphasis on nitrogen fertilizer in the early growth stage and on phosphorus and potassium fertilizers in the later stage;

(3) During the growth period of Welsh onion, the main pests and diseases include leaf miners, onion thrips, beet armyworm, purple blotch, downy mildew, viral diseases, etc. Growers are best advised to take preventive measures in advance and apply different amounts of chemicals for different degrees of severity.

The above is what the Tuliu.com editor wants to introduce to everyone regarding the planting time and cultivation management methods for high-yield Welsh onion. Growers should pay attention to the fertilization and nutrient requirement patterns of Welsh onion to achieve scientific and rational planting.