Søgeresultater - "Soils Potassium content."
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Potassium supplying capacity of some coconut soils in the Philippines [microform]
Udgivet 1977Visual Material -
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the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Udgivet 1976Visual Material -
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An experimental study of the radiometric determination of potassium content of soils and minerals [microform]
Udgivet 1975Visual Material -
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