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1. Influence of phosphatic fertilization on the yield and chemical composition of grass pasture

   Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N.F.G. Rethman --- Department of Agriculture & Water Supply, Republic of South Africa B.H. Beukes --- Department of Agriculture & Water Supply, Republic of South Africa

   While the distribution of P fertilizer had an insignificant influence on the DM production of a grass pasture over a three‐year period, the level of both N and P was highly significant. Growth patterns were unaffected by any of the...

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2. 

   Reaction of potatoes to calcium and phosphate levels as affected by wind

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. Barnard --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South Africa

   In an attempt to increase the number of mini tubers produced per potato plant, the effect of calcium and phosphorus nutrition was investigated. It is believed that high phosphorus (P) and low calcium (Ca) levels stimulate tuberization. Three nutrient solution...

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