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vol. 7, nr. 3 (2006)
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Efficiency of adjuvants in foliar nutrition of greenhouse tomato
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Jerzy Roszyk1, Olgierd Nowosielski2, Andrzej Komosa1
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1 Department of Horticultural Plant Fertilization, Agricultural University, ul. Zgorzelecka 4, 60-198 Poznań |
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2 Institute of Horticulture, ul. Konstytucji 3 Maja 1/3, 96-100 Skierniewice |
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vol. 7 (2006), nr. 3,
pp. 709-720
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abstract:
The objective of the study was to determine the effect of adjuvants added to fertilizer solutions – Florogama “S”, Florogama “O”, Mixt-1 and Ekolist – used in foliar nutrition of greenhouse tomato, on the basis of yield and nutritional status of plants. The following adjuvants were applied: Tween 80, emulsified rape oil, oil Atpol, lignosuphonates, glycerol, carboxy-methylcellulose, carboxymethylstarch, starch, molasses and saccharose. The effect of adjuvants added to fertilizer solutions on the yield of greenhouse tomato cv. Virtona was studied in 4 vegetation experiments. The highest yield increase was found in objects with 0.5% carboxy-methylcellulose, 2.5% molasses, and 0.5% carboxymethylstarch. An increase was also shown in the macro- and micro-elements content in plant leaves. The use of adjuvants can significantly contribute to the effectiveness of fertilizers applied to leaves.
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keywords:
adjuvants, foliar nutrition, tomato
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original in:
Polish
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