Handbook for Irrigation of Wine Grapes in South Africa

Abbreviations, acronyms and symbols

Al al.

: aluminium

: alia

ANZECC

: The Australian and New Zealand Environment Conservation Council

ARC

: Agricultural Research Council

ARISA

: automated method of ribosomal intergenic spacer analysis

B

: boron

°B

: degree Balling

β

: beta

C

: carbon

ca. Ca

: circa

: calcium

: calcium chloride

CaCl

2

Cd

: cadmium

CEC Cr 6+

: cation exchange capacity

: chromium

: chloride

Cl - CI ′

: cool night index : centimole charge : carbon dioxide

cmol (+)

CO CO

2

: carbonate

2-

3

COD

: chemical oxygen demand

CR Cu

: count ratio

: copper

: copper sulphate

CuSO

4

cv.

: cultivar

CWSI

: crop water stress index

d

: soil depth

δ 13 C Δ CT

: carbon discrimination index : canopy temperature difference

Δ T

: temperature difference

DI

: deficit irrigation : deci Siemens

dS

DMP

: dry matter production

DWAF

: Department of Water Affairs and Forestry

EC EC EC EC

: electrical conductivity

: salinity of the drainage water at the bottom of the root zone

dw

: electrical conductivity of saturated soil extract

e

: EC of irrigation water

iw

e.g.

: exempli gratia : soil evaporation

E E

s

: American Class-A pan evaporation : extractable sodium percentage

p

ESP

ET

: evapotranspiration

ETo etc.

: Penman-Monteith reference evapotranspiration

: et cetera : fluoride

F

FC

: field capacity

IRRIGATION OF WINE GRAPES 307