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A link in the rotation: rye as a winter catch crop followed by potatoes under different edaphic conditions. Part I. Effect of harvest date and rate of nitrogen fertilizer on rye yield


, : A link in the rotation: rye as a winter catch crop followed by potatoes under different edaphic conditions. Part I. Effect of harvest date and rate of nitrogen fertilizer on rye yield. Annales Universitatis Mariae Curie Sklodowska, E78; 32/33: 33-44

In trials on sandy soil, loess or rendzina in 1973-6, rye grown as a winter catch crop was harvested (a) at the grazing stage, (b) at the start of heading or (c) after full heading and received 60, 120 or 180 kg N/ha in addition to 160 kg P2O5 and 240 kg K2O, with 30 t FYM/ha applied for the following potato crop. DM yields were 1.47-2.39, 3.71-4.94 and 5.1-6.19 t/ha at (a), (b) and (c), resp., and 2.84-4.11, 3.5-4.52 and 3.94-4.73 t/ha, resp. at the 3 N rates.

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