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I would increase the amount of organic matter in my soil by adding compost, aged animal manures, peat moss, and cover crops. This is for improved soil structure that will allow plants to grow on easily. Adjusting the soil fertility will make the farmland fertile.
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Explanation:
The main difficulty of barter system is the lack of double coincidence of wants. In a barter system a person who wants to exchange his goods must find some person who is willing to exchange his commodity with his commodity. Hope that helps!!!
C rock layers... hope this helped