Field Management Of The Onion

Field management of the Onion:
How to water; about 20 days after the onion planting, because the planting temperature is low, so can not be too much water, too much watering will reduce the ground temperature, make the young slow seedlings. At the same time, the new roots of the newly planted seedlings have not yet germinated, and can not lack of water. So, water the onion more often at this stage. The number of watering each time to be less, the general principle is not to make the seedling wilting, do not make the ground dry, in order to promote the seedlings quickly root survival. Autumn onion seedlings survive into the winter period, to ensure the safety of the planted onion seedlings over the winter, it is necessary to timely water the winter water. After overwintering green, into the stem and leaf growth period, this stage of water requirements, not only to water, promote growth, but also to control watering, to prevent the growth. The method of control watering is called "squatting seedlings", squatting seedlings according to the weather conditions, soil properties and the growth situation after planting to master, general conditions, squatting seedlings for 15 days or so. When the onion seedling leaves dark green, wax increased, mesophyll thick, heart leaf color darker, that is, the end of the squat seedlings began to water. After the general every 8~9 days to pour water, so that the soil see dry and wet, to promote the growth of the plant, to prevent the plant growth. Stop watering 7 to 8 days before harvesting

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