英语作文!关于我怎样植树的文章60字!

火眼津津 1年前他留下的回答 已收到1个回答

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该名网友总共回答了8个问题，此问答他的回答如下：采纳率：87.5%

First of all,digging.According to root length,width dug Shue Hang appropriate size.The depth of the general to 50 cm is appropriate.Digging to the surface of the mellow soil,loess divided down below in the pits on both sides.
Second,backfill.Before planting should be long,wide and root root tip length situation,in the pit to backfill section mellow soil.In general,backfill Shutu 20 to 30 cm.
In third,planting.Remember the word" three two one" -- three,two step,a mention of buried.The seedlings will root uprighting place,branch expansion,this is the premise.Trees,to be divided three filling.First fill a little,at some distance from the roof to stop fill,fill in the soil around the tree has a week,with all forces solidly,then lightly lift the tree stem,fluff,in order to ensure the smooth breathing.Second after filling,then compacted around the tree.After filling in the third,to ensure the surface flush with the pit.Take place when the roots and the north-south,east-west direction of the tree alignment.Then,on the surface of Wai Hang a large disc,for future conservation watering.
Fourth,cover soil,soil moisture.After the seedlings planted,covered with a layer of Bo Tu,to keep moisture
首先,挖坑.根据根系的长、宽挖大小适宜的树坑.深度一般以50厘米为宜.挖坑时要将表面的熟土、下面的黄土分倒在坑两侧.
第二,回填.种树前应该按树根的长、宽及其根系顶端长度的情况,在坑内先回填部分熟土.一般情况下,回填熟土20至30厘米.
第三,栽植.谨记一句话“三二一”——三埋、两踩、一轻提.放置树苗时要将根部扶正、枝要展开,这是前提.栽树时,须分三次填土.第一次填土少许,在距坑顶一定距离的地方先停止填,在已填的土上绕树一周,用均力踩实,然后轻提树茎、抖松,以保证树根的呼吸畅通.第二次填土后,再绕树踩实.在第三次填土后,尽量保证与坑面平齐.树根放位时要与南北、东西方向的树对齐.然后,在坑面上围一个大圆盘,便于日后浇水养护.
第四,覆土、保墒.将树苗栽好后,覆盖一层薄土,以保持水分

1年前他留下的回答

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