South African Journal of Plant and Soil, Volume 7, Issue 1 (1990)

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South African Journal of Plant and Soil, Volume 7, Issue 1 (1990)

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Original Articles

Article
Effect of time of hand-thinning on apple fruit size
O. Bergh
Pages: 1-10
Published online: 15 Jan 2013
AbstractforEffect of time of hand-thinning on apple fruit size | References | PDF (511.8 KB)
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Article
Effect of temperature during the first 42 days following full bloom on apple fruit growth and size at harvest
O. Bergh
Pages: 11-18
Published online: 15 Jan 2013
AbstractforEffect of temperature during the first 42 days following full bloom on apple fruit growth and size at harvest | References | PDF (510.9 KB)
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Article
Proposed regression model for calculating optimum crop levels of apple trees
O. Bergh
Pages: 19-25
Published online: 15 Jan 2013
AbstractforProposed regression model for calculating optimum crop levels of apple trees | References | PDF (413.1 KB)
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Article
Netto stikstofmineralisasie in bewerkte en onbewerkte gronde van die mielieproduserende gebiede in Suid-Afrika
N. B. Greyling, C. C. du Preez & J. J. Human
Pages: 26-31
Published online: 15 Jan 2013
AbstractforNetto stikstofmineralisasie in bewerkte en onbewerkte gronde van die mielieproduserende gebiede in Suid-Afrika | References | PDF (332.5 KB)
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Article
The effect of nitrogen and manganese on the aroma of flue-cured tobacco
C. S. Whitehead & C. J. Steenkamp
Pages: 32-35
Published online: 15 Jan 2013
AbstractforThe effect of nitrogen and manganese on the aroma of flue-cured tobacco | References | PDF (384.1 KB)
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Article
Pelargonium tomentosum: A potential source of peppermint-scented essential oil
F.-E. Demarne & J. J.A. van der Walt
Pages: 36-39
Published online: 15 Jan 2013
AbstractforPelargonium tomentosum: A potential source of peppermint-scented essential oil | References | PDF (257.7 KB)
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Article
Invloed van kaliumdraende bemestingstowwe op knolopbrengs en persentasie droëmateriaal van Solanum tuberosum L. knolle
G. G. Bester & P. C.J. Maree
Pages: 40-44
Published online: 15 Jan 2013
AbstractforInvloed van kaliumdraende bemestingstowwe op knolopbrengs en persentasie droëmateriaal van Solanum tuberosum L. knolle | References | PDF (299.2 KB)
  • 176 Views
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Article
Nitrogen mineralization, nitrification and nitrogen balance in laboratory incubation of soil from natural grassland in the central Orange Free State
G. H. Wiltshire
Pages: 45-49
Published online: 15 Jan 2013
AbstractforNitrogen mineralization, nitrification and nitrogen balance in laboratory incubation of soil from natural grassland in the central Orange Free State | References | PDF (374.1 KB)
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Article
Controlling excessive growth in cotton by multiple applications of low concentrations of mepiquat chloride
M. C. Dippenaar, C. R. Nolte & C. Barnard
Pages: 50-54
Published online: 15 Jan 2013
AbstractforControlling excessive growth in cotton by multiple applications of low concentrations of mepiquat chloride | References | PDF (260.4 KB)
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Article
Loss of nitrogen fertility and its restoration in some Orange Free State soils
M. A. Prinsloo, G. H. Wiltshire & C. C. du Preez
Pages: 55-61
Published online: 15 Jan 2013
AbstractforLoss of nitrogen fertility and its restoration in some Orange Free State soils | References | PDF (420.3 KB)
  • 150 Views
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Article
Effect of liming and parent material on the potassium quantity/intensity relationships of some upland soils of the western Cape
J. Wooldridge
Pages: 62-67
Published online: 15 Jan 2013
AbstractforEffect of liming and parent material on the potassium quantity/intensity relationships of some upland soils of the western Cape | References | PDF (371.7 KB)
  • 286 Views
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Article
Quantifying leaf water potential for scheduling irrigation of wheat under specific soil-climate conditions
A. A. Nel & P. R. Berliner
Pages: 68-71
Published online: 15 Jan 2013
AbstractforQuantifying leaf water potential for scheduling irrigation of wheat under specific soil-climate conditions | References | PDF (277.1 KB)
  • 347 Views
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Article
Comparative effects of daminozide, dikegulac-sodium, paclobutrazol and uniconazole on the plant height of Petunia hybrida
Debra van der Poll & P. Allan
Pages: 72-75
Published online: 15 Jan 2013
AbstractforComparative effects of daminozide, dikegulac-sodium, paclobutrazol and uniconazole on the plant height of Petunia hybrida | References | PDF (239 KB)
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Article
Comparative response of lucerne (Medicago sativa L.) and sainfoin (Onobrychis viciaefolia Scop.) to applications of P, K and lime
V. D. Wassermann & Marike van den Berg
Pages: 76-80
Published online: 15 Jan 2013
AbstractforComparative response of lucerne (Medicago sativa L.) and sainfoin (Onobrychis viciaefolia Scop.) to applications of P, K and lime | References | PDF (353.4 KB)
  • 254 Views
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Article
Inheritance of atrazine tolerance in South African maize
M. R. Le Court De Billot, P. C. Nel & H. O. Gevers
Pages: 81-86
Published online: 15 Jan 2013
AbstractforInheritance of atrazine tolerance in South African maize | References | PDF (394.1 KB)
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