VARIATION OF SOME PRODUCTIVITY ELEMENTS AT THE EAR OF WHEAT DEPENDING ON FERTILIZATION

CIPRIAN RUJESCU, FLORIN SALA

Abstract


The studies and research were aimed at assessing the impact of the fertilisation system on some productivity elements in winter wheat (Triticum aestivum L. ssp. vulgare). Mineral fertilisation had a differentiated influence on some productivity elements in winter wheat, represented by ear length, number of grains per ear, and grain weight. Ear length was between 6.65 and 8.98 cm, fertilisers having a differentiated impact on ear size. The number of grains per ear was determined by the PK factor within the range 5.25-8 units, while grain weight was within 0.01 and 0.18 g. Nitrogen influenced the variation of ear size in a different way depending on both the rate of nitrogen fertiliser and by the PK level. The number of grains per ear was determined by the factor N within the range 4.75-14.0 units and grain weight ranged within 0.07-0.27 g.


Keywords


correlations; mineral fertilizer; model; productivity elements; winter wheat

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LUCRĂRI ȘTIINȚIFICE MANAGEMENT AGRICOL

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