Gooseberries
The large fruited varieties of gooseberry now being cultivated are derived from the English or European gooseberry. Very little is written about the nutrition of gooseberries (Ribes uva-crispa) and recommendations are often made based on those ... [... more]
HortNET New Zealand |
Blackcurrants
There has been considerable work on blackcurrants (Ribes nigrum) by British and East European scientists. Few New Zealand results are currently available. Samples for leaf analysis should be collected 2-3 weeks before fruit maturity. The youngest ... [... more]
HortNET New Zealand |
Cherimoya (Custard Apple)
Although there have been small commercial plantings of cherimoya (Annona cherimola) in New Zealand in the past, little is recorded about its fertiliser requirements under local conditions. All of the information included in this section comes ... [... more]
HortNET New Zealand |
Carolyn Edwards
Although olives (Olea europaea) will grow and produce fruit even on extraordinarly poor stony soils they do respond to fertilisers. They are shallow rooted and cultivation should be kept to a minimum. Samples for leaf analysis should be collected ... [... more]
HortNET New Zealand |
CORRECTION OF NUTRIENT DISORDERS
Blueberries are distinguished from other crops in that they thrive on acid peats or sandy mineral soils where the pH is between 4-5. There are several reasons for this requirement. The efficiency with which blueberries take up Fe is low. ... [... more]
HortNET New Zealand |
Introduction
Deficiency and toxicity symptoms of key elements are clearly illustrated and discussed in this publication. Comparisons are drawn between disorders to assist diagnoses, and background information on fertiliser recommendations and nutrient status ... [... more]
HortNET New Zealand |