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Cation-anion relationships in crop nutrition: II. Factors affecting the ratios of sum of the cations: sum of the anions in Italian rye-grass

  • R. K. Cunningham (a1)

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The ratios of S cations (Na + K + Ca + Mg in m-equiv./100g.):2 anions (N + P + Cl + S in mequiv./ lOO g.), R values, in over 100 samples of Italian rye-grass grown in the field ranged from 0-33 to 0-92. Italian rye-grass, grown in the greenhouse at 11 levels of a nutrient mixture, had R values ranging from 0-58 to 1-36.

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Cation-anion relationships in crop nutrition: II. Factors affecting the ratios of sum of the cations: sum of the anions in Italian rye-grass

  • R. K. Cunningham (a1)

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