Nutrients are lost from crops when harvested as minerals are not returned to the soil; similarly, nutrients are not replaced from organism remains when removed from land.
Nutrienții sunt pierduți din culturi atunci când acestea sunt recoltate, iar mineralele nu sunt returnate în sol; la fel, nutrienții nu sunt înlocuiți din resturile organismelor când acestea sunt îndepărtate de pe teren.
| Front | How are nutrients lost when crops are harvested |
|---|---|
| Back | when crops are harvested they are removed from the field so the mineral ions that they contain are not returned to the soil when animals or animals products are removed from the land the nutrients are not replaced through their remains or waste product. |
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