EFFECT OF IRRIGATION AND FERTILIZATION ON THE GROWTH AND YIELDING OF APPLE-TREES CULTIVAR ŠAMPION IN A REPLANTED ORCHARD
Eugeniusz Pacholak
Agricultural University in PoznańZofia Zydlik
Agricultural University in PoznańMarcin Zachwieja
Agricultural University in PoznańKrzysztof Rutkowski
Agricultural University in PoznańAbstract
Studies were carried out in an experimental orchard established on the area of Agricultural and Pomicultural Experimental Farm in Przybroda belonging to the Agricultural University in Poznań. The establishing of an orchard in the place of a previously existing one exerted an influence on the tree growth impediment and increased the number of tree losses. Poor growth decreased both the individual yield from one tree and the yielding from the area unit. Irrigation as well as fertilization had an effect on the occurrence of soil fatigue phenomenon. Increased irrigation intensity and low fertilization doses increased the results of replantation disease. The least effects of soil fatigue were found in case of no additional irrigation and an increased dose of tree fertilization. Experimental
conditions did not exert any effect on fruit quality.
Keywords:
apple-tree, soil fatigue, tree growth, yield, fruit mass, extract, firmnessReferences
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Agricultural University in Poznań
Agricultural University in Poznań
Agricultural University in Poznań
Agricultural University in Poznań
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