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化肥的制作英语作文

时间:2014-11-24 11:02:10 | 编辑:王晓坤

A i hown in the flow chart, the proce of recycling organic wate to produce compot i really a complex one.

The whole proce can be categorized into five tage. Firt of all, prepare a platic container which ha four hole for ventilating the air. There i a rule when putting wate into the container, food at the bottom within 15 centimeter high, gra at the middle and newpaper at the top within 15 centimeter high altogether, in order to make a optimum environment for different bacteria reproducing. In the following tage, we can witne nitrogen and water being put into the container. What worth mentioning i that water i only added in a hot weather. Next, heat the wate and let the bacteria reproduce fatly, with which the organic wate can be decompoed and became garden fertilier after 6 month. Subequently, we can carry the compot out and move it to the garden, thu a new recycling can begin.

In concluion, uing thi way to turn the organic wate into garden fertilier i environmentally friendly. By enlarging the number or volume of the container, we can dipoe more wate at the ame time.