The 1996-2000 experiments carried out on very good rye soil complex in four Experiment Stations of the Research Centre for Cultivar Testing evaluated yielding, protein content and yields, yield stability and a reaction to moisture level of 10 pea cultivars representing various morphological and economic types. The general-use cultivars yields, that is of ‘Agra’, ‘Rola’, ‘Piast’, ‘Set’ and ‘Tambo’, did not differ significantly, while a precipitation deficit affected tendrils-leaved cultivars: ‘Piast’ and ‘Agra’ showed a tendency to seed and protein yields increases. The fodder cultivars, ‘Wiato’ and ‘Idol’, yielded similarly to general-use cultivars, yet with a lower yield stability. The yield stability of the seed and green-crop fodder cultivars, ‘Kormoran’, ‘Kier’ and ‘Roch’, was higher than other cultivars.

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