Preparation of the 1986 Bulletin Fertiliser Recommendations
This publication is an updated version of the 1986 MAF New Zealand publication 'Fertiliser Recommendations for Horticultural Crops'. Where no new information is available on a particular crop, the material is unchanged. The names of the ... [... more]
HortNET New Zealand |
Lychees (Litchi)
Lychees (Litchi chinensis) could be grown only in the warmest parts of New Zealand. For best growth they require abundant moisture. Samples for leaf analysis consist of the middle pair of leaflets from the second composite leaf located behind the ... [... more]
HortNET New Zealand |
Babacos
The babaco (Carica x heilbornii Badillo nm.;pentagona (Heilborn) Badillo) is a perennial shrub of the papaya family found in the subtropical mountainous regions of Ecuador. It was first introduced to New Zealand in 1973 and is being grown for its ... [... more]
HortNET New Zealand |
Nutrient Deficiencies
Kiwifruit (Actinidia deliciosa) is a vigorous growing vine. In its natural habitat in the mountainous regions of central and southern China it is found growing in deep humus-rich soils on the sides of steep gullies. In New Zealand kiwifruit have ... [... more]
HortNET New Zealand |
Grant Thorp
The feijoa (Acca sellowiana) is a native of South America where it is found in areas with acidic soils in Southern Brasil and Uruguay. It appears to be able to tolerate a wide range of climates and soil conditions provided water-logged conditions ... [... more]
HortNET New Zealand |
Generalised Guide To Nutrient Deficiency Symptoms - Part 2
Element deficiencies where younger leaves are affected first Terminal buds die, distortion and necrosis of young leaves, die back at tips and margins. Root tips gelantinous and swollen. Decreased leaf size, pale green-yellow leaves, shortened ... [... more]
HortNET New Zealand |
Raspberries
Raspberries (Rubus idaeus) are the most important of the berryfruits in the Rubus genus produced commercially overseas. Consequently, most of the nutritional studies and fertiliser experiments have been conducted with this species. Despite the ... [... more]
HortNET New Zealand |
Passionfruit (Purple Granadilla)
Passionfruit (Passiflora edulis) tolerate a wide range of soil types provided they are free draining. Such conditions are essential to minimise the risk of root canker which is a complex disease resulting from a combination of Phytophthera, ... [... more]
HortNET New Zealand |
Young trees
Minimal pruning is generally carried out on citrus grown in New Zealand, thus the quantity of nutrient which needs to come from soil reserves or fertiliser applications in a cropping orchard, depends on that removed in harvested fruit. Typical ... [... more]
HortNET New Zealand |
NITROGEN DEFICIENCY
The first part of this section describes the general conditions likely to result in nutrient deficiency or toxicity symptoms in vegetable crops. Methods of overcoming nutrient disorders are included. The specific symptoms and nutrient ... [... more]
HortNET New Zealand |
PLANT NUTRITION
The past three decades have seen a remarkable increase in horticultural production in New Zealand. Many new crops are now grown for which basic information on fertiliser requirements is not readily available. In addition, many different types and ... [... more]
HortNET New Zealand |
FERTIGATION
General fertiliser recommendations for strawberries (Fragaria spp.) are difficult to make because the cropping character varies markedly between regions. Past recommendations have been based on the belief that strawberries require large amounts ... [... more]
HortNET New Zealand |