Preliminary Studies on the Effect of a Permanent Cover Crop and Root Pruning on an Irrigated Colombar Vineyard | Zendy

D. Saayman | Zendy; L. Van Huyssteen | Zendy

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Preliminary Studies on the Effect of a Permanent Cover Crop and Root Pruning on an Irrigated Colombar Vineyard

Author(s) -

D. Saayman,

L. Van Huyssteen

Publication year - 2017

Publication title -

south african journal of enology and viticulture

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.419

H-Index - 25

eISSN - 2224-7904

pISSN - 0253-939X

DOI - 10.21548/4-1-2375

Subject(s) - vineyard , pruning , cover crop , cover (algebra) , crop , root (linguistics) , horticulture , agronomy , mathematics , agroforestry , environmental science , biology , engineering , linguistics , philosophy , mechanical engineering

An experiment was conducted in the Olifantsrivier irrigation area to assess the effect of different cultivation treatments, such as clean cultivation, a permanent cover crop and of root pruning by means of deep ripping, on the growth and yield of a flood irrigated, ungrafted Colombar vineyard. The best vine performance was obtained with clean cultivation. Although a cover crop plus deep cultivation improved water infiltration, competition of the permanent cover crop seriously suppressed vine growth and yield, and also caused a notable decrease in the nitrogen status of the vines. There were indications that severe root pruning by means of deep ripping increased the negative effect of the permanent cover crop on vine performance. Clean cultivation remains an effective way of weed control provided there is no soil compaction hazard and it is economically feasible.

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