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Biomass of lucerne harvested at the budding stage or at the beginning of flowering is a bulky feed with a high content of protein. This plant is less often harvested at the full maturity for seeds. Nitrogen fertilization is not frequently applied in lucerne cultivation, since it lives in symbiosis with nodule bacteria that reduce atmospheric nitrogen into ammonium forms available for plants. This...
This study aimed at estimating the amount of nitrogen derived by yellow lupine from the atmosphere, mineral fertilizer and soil at different nitrogen fertilization rates and developmental phases of this test plant. Yellow lupine was cultivated in three fertilization variants: without nitrogen fertilization and after application of 30 and 150 kg N·ha-1. Harvest was performed in flowering and full maturity...
This study estimated the amount of nitrogen taken up by spring triticale from different sources depending on varied nitrogen fertilization and the development phase when the previous crop – yellow lupine was harvested. Lupine was cultivated in three fertilization variants: without nitrogen fertilization and after the application of rates 30 kg·ha-1 N and 150 kg·ha-1 N. Lupine harvest was performed...
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