In addition to fuel, 60 different products come from the tree, it requires little water, no fertilizer, is pest resistant, and it enhances the soil in which it grows.

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Porter, and he volunteered seventy acres of land where he had grown only cotton or corn for twenty-eight years, applied no fertilizer, and almost completely depleted the humus layer.

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While it helps the environment by preventing erosion, no-till farming keeps fertilizer in the upper soil.

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So-called conventional farms use only synthetic fertilizer, which has no bacterial contamination.

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No chemical fertilizers are used, just organic fertilizer sent straight from the gardens at Castel Gandolfo.

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Certain raw materials like grains ( NYSE:JJG ) have a somewhat fixed level of supply and no attempt to increase that supply, such as fertilizer improvements through companies like Monsanto ( NYSE:MON) have been developed to meet that supply.

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The Dallas Morning News reported that West Fertilizer had told the Environmental Protection Agency that it presented no risk of fire or explosion.

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