Preventing tipburn in chinese cabbage by high relative humidity during the night.

Authors

  • N. van Berkel

DOI:

https://doi.org/10.18174/njas.v36i3.16682

Abstract

Polyethylene sheeting supported on a framework was used in a greenhouse to maintain a high RH over the crop at night so that a root pressure flow could develop. The plants (growing in 1-litre buckets of peat mixed with 5 kg Dolokal (ground magnesium limestone), 500 g PG mix (14 + 16 + 18 + trace elements), and 150 g FTE (fritted trace elements) per msuperscript 3)were watered with nutrient solutions of EC 1.5, 3.0 or 4.5 dS/m (25 degrees C), and half were sprayed with 0.7% Ca(NO3)2. Almost complete prevention of tipburn incidence was obtained where high RH was used with a low EC solution. Calcium spraying did not further decrease tipburn. The technical possibilities of realizing a high night RH in greenhouses are discussed. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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Published

1988-08-01

Issue

Vol. 36 No. 3 (1988)

Section

Papers

License

© Copyright KLV All rights reserved. The copyright covers the exclusive right to reproduce and distribute the contribution, including reprints, translations, photographic reproductions, microform, electronic form (offline, online), or any other reproductions of similar nature. The Author may publish his/her contribution on his/her personal Web page provided that he/she creates a link to http://library.wur.nl/ojs/index.php/njas and that together with this electronic version it is clearly pointed out, by prominently adding "© KLV", that the copyright for this contribution is held by KLV. The full-text version may be available from the Author's Web page only after a delay of 12 months following the publication of the paper, whereas such a delay is not required for the abstract.