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The top documents tagged [older tissues]
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older tissues
Plant Nutrition (Ch. 37) Physiological adaptation Dogs pee on trees…Why don’t trees pee on dogs? NH 3 animal waste plant nutrient.
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Nitrogen
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Nitrogen. The most limiting essential element in the environment Nitrogen and Soil Surface soil range: 0.02 to 0.5% 0.15% is representative 1 hectare.
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Plant Nutrition (Ch. 37)
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