Résultats de la recherche - "Potassium fertilizers."

Sulphate of potash for quality.

Sujets: “…Potassium fertilizers.…”

Potassium symposium : 12 papers read at the Fourth Congress of the International Potash Institute (4 sessions), Madrid 1958.

Sujets: “…Potassium fertilizers.…”

Crop logging of sugar cane : nitrogen and potassium requirements and interactions using two varieties / par Clements, Harry F.

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The mineral nutrition of tea with particular reference to Potassium / par Willson, K. C.

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Response of grain sorghum to phosphorus and potassium in dry lowlands of Papua New Guinea / par Vance, P.N

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Phosphate and potash fertilisation of sweet potato on volcanic ash soils in the Southern Highlands of Papua New Guinea / par Floyd, C.N

Sujets: “…Potassium fertilizers Papua New Guinea Southern Highlands Province.…”