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Data concerning the effect of spring frosts on the survival of fl ower buds of several apple and pear cultivars, as well as on the damage caused by spring frosts to apple fruit are presented in the present paper. Observations were conducted in experimental and commercial orchards in the Lublin area in the years 2000, 2005 and 2007. The lowest temperature in spring in the consecutive years occurred...
W latach 1993 - 1997 przeprowadzono obserwacje nad rozmieszczeniem i nasileniem występowania kilku gatunków chwastów w pasach herbicydowych w sadzie jabłoniowym. Powtórzono je na tych samych poletkach w 1998 roku po likwidacji sadu. Stwierdzono wzrost występowania w badanym sadzie roślin Atriplex patulum, Chenopodium album, Epilobium adenocaulon i Polygonum aviculare, przy jednoczesnym spadku obecności...
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