Effect of mulching with various films on the yield quality of butterhead lettuce and celery stalks with special reference to nitrate metabolism
2007
Wojciechowska, R.,Krakow Agricultural University (Poland). Dept. of Plant Physiology | Siwek, P. | Libik, A.,Krakow Agricultural University (Poland). Dept. of Vegetable Crops
The results of two-year studies (2005-2006) on the effect of soil mulching with transparent, white and black film made from original and recycled materials on the selected yield quality ratios of Melodion lettuce and Tango celery stalks have been presented. Plants cultivated on mulches were generally characterized with lower contents of ascorbic acid, soluble sugars, ammonium ions, free amino acids and dry matter in comparison with non-mulched plants. Soil mulching with transparent and white film, regardless of the material it was made from, had significant effect on nitrate content decrease in lettuce heads in comparison with the control treatment. Least nitrates were accumulated by stalks of the celery cultivated on white films. On the other hand, the plants of both species cultivated on black films were characterized with highest NO3- content. In respect to the yield quality of celery stalks, best effects were obtained in the case of mulching with original rather than recycled film
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