Excerpt - page 40: "... The real power of the immunesystem does not engage until the system recognizes the presence of an enemy. 3. Immune boosters improve the ability of immune cells to produce cyto- kines, which ..."
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Excerpt - page 27: "... nutrient man- agement must be conducted in a way that improves soil conditions, mini- mizes erosion, and prevents crop contamination. Farmers ..."