Planting time and method of green onion

Planting time: from May to June in spring, from September to November in summer and autumn, and from November to December in winter. Planting method: raise seedlings in the fertile land, then apply an appropriate amount of compound fertilizer, Fulandan, carbendazim powder, and then select the appropriate planting time, according to the row spacing of 80 cm, plant spacing of 1.5-2 cm, timely drainage after rain, high temperature and drought weather, watering and cooling, and later can apply appropriate amount of urea, potassium sulfate and other fertilizers.

First, planting time

1. Spring planting and autumn harvest: seedlings are raised in March-April, then planted in May-June, and finally harvested in October-December.

2. Spring seed and winter harvest: seedlings are raised from March to May, then planted from June to July, and finally harvested from December to January of the following year.

3. Summer and autumn spring harvest: seedlings are raised in May-September, then planted in September-November, and finally harvested in May-July of the following year.

4. Winter planting, spring and summer harvest: seedlings were raised in September-October, then planted in November-December, and finally harvested in May-July of the following year.

Second, arrange the seedbed

1. The nursery bed needs to be selected in the land that is fertile, flat, close to the water source and convenient for drainage.

2. After shallow ploughing and fine harrowing, 50kg compound fertilizer can be applied as base fertilizer per mu, and 2.5kg and 0.5kg carbendazim powder can be applied to kill underground pests and germs.

Third, sowing method

1. Before sowing, the cover soil should be taken out of the border, and then the border should be watered sufficiently. After waiting for the water to permeate, the seeds should be mixed with a small amount of sandy soil, sprinkle twice in the border, and finally cover the soil.

2. The thickness of walking soil is 1.5-2cm, and the amount of seed used in seedling field is 1.3kg per mu, which can be transplanting 3-5 mu.

IV. Timely planting

Select the appropriate planting time, according to the row spacing of 80cm, plant spacing of 1.5-2cm, ditching for colonization, before planting, the onion seedlings should be strictly graded, and then treated with chemicals, which is beneficial to eliminate root maggots and ensure the whole seedling.

Fifth, rational watering

1. After the green onion is planted, it is necessary to promote rooting, control the watering times during the period, and timely drainage and waterlogging after rain to avoid causing rotten roots, yellow leaves and dead seedlings.

2. After transplanting, if you encounter a rainy climate, it will lead to rotten roots and dead seedlings of green onions, so we should pay attention to timely drainage, and in case of high temperature and drought, water should be watered to cool down.

VI. Topdressing at the right time

1. The Beginning of Autumn should top apply "leaf-attacking fertilizer", generally, calcium superphosphate 20-25kg per mu and mature farm manure 1500-2000kg per mu.

2. After White Dew, it is necessary to apply "tapping fertilizer" twice combined with watering, and urea 15-20kg and potassium sulfate 10-15kg per mu each time.

7. Cultivate soil at the right time

The main purpose of soil cultivation is to soften the leaf sheath, prevent lodging and improve the yield and quality of green onion. It is generally necessary to cultivate the soil three times from the beginning of autumn festival to before harvest. The first two times can be combined with intermediate ploughing to choke the ridge soil into the green onion ditch, and then fill the ditch after the End of Heat.