Die invloed van natriumchloried op verskillende wingerdvarieteite en entingskombinasies gekweek in sandkultuur by Van der Westhuizen, J. H. (Johannes Hendrik)

Subjects: “…Grapes -- Fertilizers…”
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Seisoensopname van fosfaat deur die druiwe-cultivar Alphonse Lavallee, gekweek by twee fosfaatvoedingspeile in sandkultuur by Pienaar, P. J. (Pieter Johannes)

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Die invloed van bemesting en lowerbestuur op die kaliuminhoud en pH van Cabernet sap en wyn by Engelbrecht, G. P.

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The effects of fertilizers and irrigation upon exchangeable cations in a light alluvial vineyard soil by Piaget, J. E. H. (Jean Edouard Henri)

Subjects: “…Grapes -- Fertilizers…”
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The root system of vines on a fertilization experiment with special reference to the phosphate status of the soil by Vink, J. De M.

Subjects: “…Grapes -- Fertilizers…”
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