• Publications
  • Influence
Cadmium concentration in vegetable crops grown in a sandy soil as affected by Cd levels in fertilizer and soil pH
Field trials were conducted over a three-year period with chinese cabbage (Brassica pekinensis Rupr.) and carrots (Daucus carota L.) grown in a sandy soil with pH adjusted to 5.5 and 6.5. The NPKExpand
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  • 2
TESTING A NITROGEN ADVISORY MODEL FOR VEGETABLES
  • 2
  • 1
The effect of plastic tunnels on air and soil temperatures in relation to observations of cloud-cover
This investigation was undertaken to determine the extent to which ordinary meteorological observations of cloud-cover could be employed as a basis for expressing the efficacy of plastic (PE and PVC)Expand
  • 3
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Reuse of peat bags for tomatoes and cucumbers
SummaryGrowing tomatoes in low humified Sphagnum peat gave satisfactory results when using the peat bags in three successive seasons without any sterilization. Use of a complete nutrient solutionExpand
  • 10
  • 1
Effect of photoperiod and temperature on bolting in Chinese cabbage
Abstract One-week-old seedlings of heat-sensitive (‘Nagaoka 50’) and heat-tolerant (‘WR 85’ and ‘Saladeer’) cultivars of Chinese cabbage ( Brassica pekinensis ) were subjected to various temperaturesExpand
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Effects of root medium and watering on transpiration, growth and development of glasshouse crops
  • G. Guttormsen
  • Environmental Science, Biology
  • Plant and Soil
  • 1 February 1974
SummaryThe effect of adding clay, moisture and the compaction on the physical properties of peat as well as the effect on transpiration and growth of tomato plants were investigated during short termExpand
  • 11
Effect of plant age and temperature on bolting in Chinese cabbage
Abstract The effect of different growing methods on bolting of early Chinese cabbage was studied. Both plant age and the duration of low-temperature treatment had a significant effect on bolting.Expand
  • 10
Cadmium and lead levels in Norwegian vegetables.
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