在现代农业中，土壤的矿物损耗是一个主要的问题，因为收割农作物会中断养分的循环，使其无法重新回到土壤中。
In modern agriculture, mineral depletion of soils is a major concern, since harvesting crops interrupts the recycling of nutrients back to the soil.
当动物死时，他们又回归成矿物质和二氧化碳，进入新的循环。
When animals die, they return to minerals and carbon dioxide and the cycle renews.
将气体充入大气中循环利用矿物质和养分。
Filling the gas into the atmosphere, recycling minerals and nutrients.
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