The role of mulching film on the growth of hazel seedlings:
Film mulching is a commonly used new technology for soil management at home and abroad. The economic benefits are obvious. There are many black films covered by mulch film. The specific effects are as follows:
1 Increase the ground temperature 0.5 °C ~ 4 °C, enhance soil activity, promote microbial flora and organic matter decomposition, promote root growth, increase root absorption capacity.
2 Effectively reduce the evaporation of soil moisture and maintain soil moisture. The survival rate of seedlings can be improved for hazelnuts without irrigation conditions.
3 Improve soil structure, prevent soil compaction caused by irrigation, prevent the rise of salts such as sodium chloride, and increase the content of carbon dioxide in the soil. Improved soil structure, active microbial activity, carbon dioxide content in the soil from the original 32% to 100%, and promote the growth of hazel and increase production.
5 After dressing in the early spring, cover the mulch to make adult worms and chafers, which are overwintering in the soil, suffocated under the mulch and not be harmed by trees.
(Note: The mulching of the mulching film should be covered under the rain and fertilization in the spring, and it can be used for the one-to-many hazelnut cultivars not growing.)
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