COVER CROPS in South African Vineyards

COVER CROPS IN SOUTH AFRICAN VINEYARDS

Wild barley ( Hordeum murinum ) . .......................................................................75 Reference lis t .........................................................................................................75 Alternative cover crops . ..........................................................................................75 Creeping saltbush ( Atriplex semibaccata ) ........................................................75 Fynbos and renosterveld species . .....................................................................76 Reference list .........................................................................................................77 CHAPTER 4 COVER-CROP ESTABLISHMENT ...........................78 Re-establishment of cover crops ..........................................................................79 Coastal region . ......................................................................................................79 Lower Orange River region .................................................................................81 Olifants River vall ey ..............................................................................................83 Fertilisation of cover crops .....................................................................................85 Reference list .........................................................................................................87 Use of different implements for cover-crop establishment ...........................87 Reference list .........................................................................................................90 CHAPTER 5 WEED CONTROL ...............................................................92 Reference list .........................................................................................................94 Weed species ..............................................................................................................95 Reference list .........................................................................................................98 Breede River valley ...................................................................................................99 Winter-growing weeds ..........................................................................................99 Summer-growing weeds ....................................................................................100 Reference list .......................................................................................................102 Coastal region ..........................................................................................................102 Winter-growing weeds ........................................................................................102 Summer-growing weeds ....................................................................................104 Weed succession and dominance . ..................................................................106 Reference list .......................................................................................................114 Little Karoo ................................................................................................................114 Reference list .......................................................................................................115 Lower Orange River region ................................................................................... 115 Winter-growing weeds ........................................................................................ 115 Reference list .......................................................................................................116

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