EXPERIMENTAL RESULTS ON NITROGEN FERTILIZER FORMS AND DOSAGE APPLICATIONS FOR PRODUCTIVITIES
In the complex of measures regarding the establishment, maintenance and use of temporary (sown) meadows, fertilization is a first factor in achieving large, constant and long-lasting productions. Each form of fertilizer in our experience was researched in increasing doses: NO, N60, N120, N180 with fractional application for each crop. Harvesting was carried out in hay and the production was expressed in tons of dry matter per hectare. Considering the production obtained with ammonium nitrate as a reference level, it is found that among the other forms of nitrogen fertilizer, nitrocalcare proved to be the most effective, with increases of 4-6%, urea behaved similarly to ammonium nitrate and ammonium sulfate, determined the smallest increases (3- 3.5%) of production.
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