That would be known as the heart.
It helps in reducing soil erosion and increases soil fertility and crop yield.
<span>The income of a country is related to its ecological impact because depending on the ecological conditions on which economic factors depend and the income productions they generate when the conditions are bad, part of the income must go to ecological recovery, and part of the income should be earmarked for ecological care and preservation. When conditions are good, the income earmarked for ecology is lower, but part of the income must always be contributed to the preservation and maintenance of the ecology of a nation.</span>
