In recent days, most areas in the north have ushered in cooling and snowfall. For some areas in the south, the weather is relatively warm. For example, Guangdong Fujian is now in the spring season, and experienced vegetable friends like to grow vegetables at this time. On the upper layer of the mulch, some of the friends asked, what is the use of it? Is there anything I need to pay attention to? Let me introduce you today.
Firstly, the method of covering the vegetables with the film is generally suitable for planting in early spring. This is determined according to the local environmental temperature, not the solar terms. The early spring season is generally cold and the temperature difference is also large. At this time, seeding and emergence is the first key. The two main factors that determine the emergence of seedlings are temperature two is humidity, and the two major functions of covering the mulch film are to warm and moisturize and promote emergence.
The reason for covering the mulch film is clear, and then there may be a vegetable friend asking, is the covered mulch removed? When should I get rid of it? This problem needs to be divided into two. Some vegetables need to be removed, while others do not have to be removed. First, the leafy vegetables are covered with a layer of mulch after sowing. Immediately after the emergence of the seedlings, the mulch film should be removed, otherwise it may cause long or burning seedlings.
The second type of mulch film does not need to be removed, and is generally used on fruits and vegetables, such as tomatoes, cucumbers, potatoes, peanuts, peppers, eggplants, garlic, etc. A prominent feature of early spring is that the ground temperature is low, in order to promote melons and vegetables. The root system is developed, absorbs more nutrients, and uses the mulch method to isolate the root and the stem from the mulch, reducing the loss of heat from the soil due to evaporation of water, so as to achieve the purpose of soil warming.
Another advantage of covering the mulch is water saving, because the soil is covered with the mulch, which reduces evaporation and saves water. For lazy people, it also saves a lot of watering time every spring. The tomatoes I planted were not watered for the first month after covering the legal tomato with the mulch, which saved time and effort.
In addition, the use of mulching method to grow melons can also play a role in grass protection. Because of the lack of air in the mulch, and the high temperature during the day, the grass seedlings will burn and the trouble of weeding is eliminated.
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