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This is the fourth in a series of episodes about strategies for growing double the food with one tenth of the effort.
This episode shares two strategies for building soil and reducing the need for irrigation. Berms block wind and introduce texture into the landscape, providing some spots that are wet, some that are dry, some that are sunny, and some that are shady. Mulch adds organic matter to the soil, discourages undesirable plants, and protects the soil from the harsh rays of the sun.
To learn more about the book, visit buildingabetterworldbook.com.