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Effect of organic matter, ammonium phosphate, and Captan on growth and quality of one-year-old apple trees

Stanisław Porębski, Władysław Poniedziałek, Bernadeta Rzeźnicka

Department of Pomology
Faculty of Horticulture, University of Agriculture in Kraków
29 Listopada 54, 31-425 Kraków, Poland
e-mail: w.poniedzialek@bratek.ogr.ar.krakow.pl

In the years 1999-2001 the role of organic matter, ammonium phosphate, and Captan in alleviating the problem of replant disease was investigated at the nursery of the Garlica Murowana Experimental Station. After the initial tests which showed positive effects of drying and steaming soil on the height of ‘Antonówka Zwykła’ seedlings, a field experiment was established. The results showed that peat, humus, and dried cow dung positively affected the diameter of trees in the nursery. The organic fertilization also induced an increase in the number of shoots and their total length. No positive effect of ammonium phosphate was determined neither the application of Captan improved the growth of trees in the nursery.

Porębski S., Poniedziałek W., Rzeźnicka B., 2003. Effect of organic matter, ammonium phosphate, and Captan on growth and quality of one-year-old apple trees. Folia Horticulturae 15/2: 151-157.