An attempt to evaluate the differentiated pre-sowing cultivation based on an example of winter triticale in relation to the yielding and changes of the yield components

caracteres de rendimiento climatic factors composante de rendement costos costs crop yield crops cultivadores cultivateur cultivation cultivators cultivo cultivos cultivos de invierno culture d'hiver economic analysis ensemencement facteur climatique field experimentation germination graine plante de culture pratique culturale production costs profitability rendement des cultures rendimiento de cultivos rentabilidad seeds semilla siembra sowing triticosecale winter crops yield components