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Lower nitrogen supply gave better fruit quality in organic apples

Lindhard Pedersen, Hanne and Bertelsen, Marianne (2003) Lower nitrogen supply gave better fruit quality in organic apples. DARCOFenews (4), pp. 1-3.

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Online at: http://orgprints.org/secure/00010109/02/Lower_nitrogen_supply_gave_better_fruit_quality_in_organic_apples.pdf

Summary

In a questionnaire send out in the mid 90’ties, organic growers estimated a yield reduction of at least 86 per cent compared to conventional production. The estimation was based on production of the most common conventional grown varieties. The main reason for this low productivity is lack of control methods against diseases and pests, especially apple scab (Venturia inaequalis) (Lindhard et al., 1998). In Denmark, most organic pesticides are not registered. For instance, copper has not been on the market for 7 years.


EPrint Type:Journal paper
Keywords:nitrogen, fruit, quality, apple, resistant,
Subjects: Soil
Research affiliation: Denmark > DARCOF II (2000-2005) > I. 2 (ORGAPP) Sustainable production systems for apples
Deposited By: Fjord, Miss Camilla
ID Code:10109
Deposited On:07 Dec 2006
Last Modified:12 Apr 2010 07:34
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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