WINETECH Technical Yearbook 2021

Vlottenburg mix Triticale (AG Beacon), Oats (Magnifico), Ripper radish (Groundhog),

Stand height: Low Stand density: Average to good Suitable for

Swartland medic mix Polymorpha medic (Cavalier), Barrel medic (Parabinga), Button medic (Bindaroo), Subterranean clover (Dalkeith), Balansa clover (Paradana)

Stand height: Medium Stand density: Very good Weed suppression: Excellent

12 kg/ha R1 200/ha

30 kg/ha R650/ha

Japanese radish (Nooitgedacht),

7

8

establishment on grapevine row to provide

Common vetch (Timok), Crimson clover (Blaza), Bitter lupins (SSL 10), White mustard (Braco)

ground cover and suppress weeds.

The suitability of the mixes to this site was largely favourable with most of the mixes performing well, despite not receiving any fertiliser. The rye with bitter lupins produced the largest biomass of the eight mixes, but mixes 4, 5 and 7 were not far behind.

REGION: BREEDE RIVER VALLEY District: Breedekloof | Site: La Bri | Soil description: Alluvial | Vineyard irrigation: Drip | Sowing date: Late May | Sowing method: By hand

Species/Mixture

Comments

Photos taken: Late September 2020

Row

Sowing den- sity & ap-

seed cost

proxi-mate

Goudini mix with barley Barley (SKG 9), Oats (Magnifico), Ripper radish (Groundhog), Japanese radish (Nooitge- dacht), White mustard (Braco)

Stand height: Very tall Stand density: Very good Weed suppres- sion: Good

Stand height: Medium Stand density: Good Weed suppres- sion: Very good

Rye (Duiker max), Bitter lupins (SSL10)

40 kg/ha R600/ha

30 kg/ha R594/ha

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