The nutritive value and yield of winter wheat on sulfur-industry reclaimed lands [soil substitute, nutrient deficiency]

azufre contenido proteico crude protein cultivos de invierno culture d'hiver fertilidad del suelo fosforo grain graine granos growing media nutrientes nutrients nutritive value paille paja phosphore phosphorus protein content proteina bruta rendement rendimiento seeds semilla soil fertility soufre straw substance nutritive substrat de culture substratos de cultivo sulfate sulfatos sulphates sulphur trigo triticum valeur nutritive valor nutritivo wheats winter crops yields