Studies regarding the influence of some sulfur fertilizers upon some physiological index, crop quality and quantity of sunflower.
2013
The purpose of this experiment was to test the influence of some sulfur based fertilizers on some physiological, production and quality characteristics in maize. A sunflower cultivar (Performer) was used and two fertilizing variants were applied: N-P-K 15-15-15 - 60 kg/ha -netto K (400 kg fertilizer/ha- brutto), V1 - 7-0-20-6-2 + 40 (N-P-K - MgO - Na - SO3) - 60 kg/ha-netto K (300 kg fertilizer/ha- brutto). The main physiological indexes followed were the chlorophyll content, the foliar surface, the substance percent, but the productivity and some quality characteristics of the grain were determined: protein, lipid and starch content. The experiment has shown that in both fertilization variants for sunflower, the recorded production level was satisfying, taking into account the specific climatic conditions.
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