FERTILISER GUIDELINES FOR THE WINE INDUSTRY

Contents

1 2 3

Introduction

6

8

Soil and leaf samples. Pieter Raath

Interpretation of soil analyses. Pieter Raath

14

• Different methods of analysis

4

Chemical correction during soil preparation.

27

Braham Oberholzer • Lime and gypsum

5

Maintenance fertilisation of macro- and micro-elements.

35

Dawid Saayman • Role • Functions • Determining a fertilisation programme • Timing of fertilisation

6

Types of fertiliser and application practices. Bennie Diedericks

75

• Inorganic – granular/water soluble/liquid • Organic – manure/compost/cellar waste • Cover crops

• Foliar nutrition • Biostimulants

7

Relationship between fertilisation/nutrient status of a vineyard and grape composition/wine quality/ wine sensory characteristics. Francois Viljoen

87

8

Fertilisation of rootstock mother blocks and nursery soils. Dawid Saayman

94

5