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Effect of fertigation and hydrogen cyanamide on fruit production, nutrient uptake, and fruit quality in kiwifruit

 

作者: K. B. Marsh,   B. M. Stowell,  

 

期刊: New Zealand Journal of Crop and Horticultural Science  (Taylor Available online 1993)
卷期: Volume 21, issue 3  

页码: 247-252

 

ISSN:0114-0671

 

年代: 1993

 

DOI:10.1080/01140671.1993.9513776

 

出版商: Taylor & Francis Group

 

关键词: kiwifruit;Actinidia deliciosa;fertigation;storage;nutrition;potassium;cyanamide;crop load;fertilizer

 

数据来源: Taylor

 

摘要:

In a 3‐year field trial, kiwifruit(Actinidia deliciosa)vines received 40% of their nutrient requirements by fertigation and the rest as solid fertiliser. All plots received 158 kg/ha nitrogen (N) and 294 kg/ha potassium (K). After 3 years the vines receiving fertigation showed no advantage over those receiving a conventional solid fertiliser programme in yield, or leaf nutrient levels for kiwifruit. The quality of fruit from vines supplied with or without fertigation was assessed at harvest, and at several times during 22‐week storage trials. Fruit appeared relatively unaffected by fertigation, and no difference in storage behaviour of the fruit was recorded. The interaction between fertiliser response and crop load was investigated by applying hydrogen cyanamide to create two crop loads. Hydrogen cyanamide increased fruit numbers by c. 30% in 2 out of 3 years, but had little effect on the response to fertigation.

 

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