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A vegetation experiment was conducted in 2001–2002 in an unheated greenhouse on the effect of differentiated nitrogen fertilization on yield and quality of garden rocket. Nitrogen was used in three forms, i.e. lime saltpeter, urea and ammonium sulphate, and in three doses: 0.2; 0.4; 0.6 N·dm⁻³ (2001) and 0.25; 0.50; 0.75 g N·dm⁻³ (2002). The plants’ growth, yield and content of nutrients were evaluated...
In the experiment with greenhouse tomato cv. ’Cunero F₁’ the effect of nutrient liquid with or without chlorine on the chemical composition of leaves and fruits was investigated. In research rockwool, peat and sand substrates with fertigation system was used. The experiment showed higher potassium, calcium, magnesium and chlorine leaves content in tomato fertilized nutrients liquid with chlorine....
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