Effect of using some chemicals as bio-stimulants on the growth and yield of faba bean [Vicia faba]

carbohidratos carbohydrates clay soils condiciones ambientales condition de milieu environmental conditions fosforo glucide herbicidas herbicide herbicides loam soils metabolism metabolisme metabolismo oligoelementos phosphore phosphorus plant growth substances proteine proteins rendement rendimiento sol argileux sol sablolimoneux suelo arcilloso suelo franco trace elements vicia faba yields