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Greenhouse experiments with tomato were conducted in the years 2004-2006. The aim was to study the effect of nutrient solution pH on the availability of phosphorus in soilless culture of tomato. Tomato plants were grown on mats made of shredded rye straw, and on slabs of peat and rockwool. The plants were fertilized with a standard nutrient solution of different pH: 4.5, 5.0, 5.5, 6.0 and 6.5. Such...
The experiment was carried out in a greenhouse in the years 2004-2006. Tomato plants of cv. Blitz F1 were fertilized with a nutrient solution of different pH: 4.5, 5.0, 5.5, 6.0 and 6.5. The required nutrient solution pH was obtained by adding adequate amounts of 65% HNO3 and 33% HCl. Nitric acid was used to adjust the nutrient solution’s acidity to pH 6.5. Lower pH levels were obtained adding hydrochloric...
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