Evaluation of grasspea Promising Lines Autumn Planting in farmers field ( on farm research)

aridoculture automne autumn biologie du sol conservation des sols crop yield disponibilidad de nutrientes dry farming evaluation fertilidad del suelo fixation de l'azote iran islamic republic lathyrus sativa lathyrus sativus leguminosae nitrogen fixation nutrient availability on-farm research plantation planting rendement rendement des cultures rendimiento rendimiento de cultivos soil biology soil conservation soil fertility yields