3月12日植树节英语作文范文7篇

发布网友发布时间：2022-04-22 03:46

共2个回答

热心网友时间：2023-07-06 20:33

In late March to mid-April is the best time to plant trees, preferably in front be cloudy and rain. When planting, in determining the location of a good Pits, decide the specifications according to the Pits tree roots or soil conditions and soil conditions ball size. Pits in a cylindrical best to stem as the center circle, ring side down along the vertical excavation until a predetermined depth, to keep down vertically, the same size, should not dig into the next big small cone-shaped or pot-shaped .
Note When digging the topsoil and subsoil placed separately, and press the appropriate location backfill. If the soil is solid or construction waste soil should increase the diameter of the Pits and pit bottom soil g loose; soil should be sieved or all bad for soil. When the new fill and new bulldozers digging, should be adequate compaction near Pits, g pit bottom after also appropriate real step to prevent watering soil behind fallen trees planted finish ramp.
Immediately after transplanting irrigation, rain-free day and night should not exceed one pour water over the head. Water must be irrigated, the soil absorb enough moisture to help root and soil in close contact in order to ensure survival.

热心网友时间：2023-07-06 20:33

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