Articles by Keyword: Usutu

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  1. The significance of residual phosphorus and potassium fertiliser in countering yield decline in a fourth rotation of <em>Pinus patula</em> in Swaziland

    Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal
    Research into the sustained production from short rotations of Pinus patula on the Usutu plantation has shown that operational application of P and K fertiliser corrected the 20% growth decline that was observed between first and second rotations on about...