The fluctuation of copper content in oilseed rape plants (Brassica napus L.) after the application of nitrogen and sulphur fertilizers
The influence of N-S fertilizers on MCT the copper content in the inter oilseed rape plants was studied in field experiments.The evaluation involved two treatments of a single rate for the first spring fertilizer application with 100 kg N/ha in the AN treatment (nitrochalk) and 100 kg N/ha + 50 kg S/ha in the ANS treatment (ammonium nitrate and amm