The computer in the farmhouse is checking the temperature, the water and the level of organic material in the soil.
农舍里的电脑正在检查温度、水和土壤中有机物质的含量。
Organic material like compost or leaf mulch can help onions grow in heavy soil.
堆肥或护根物一类的有机肥料可以帮助洋葱在难耕的土壤生长。
When fires destroy all the vegetation on a hill or mountain, it can also weaken the organic material in the soil and prevent water from penetrating the soil.
当火毁坏了小山或大山的所有植被时，同样也损害了土壤中的有机物、阻止水渗入土壤。
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