The Effects of Organic Manures, Soil Cover and Drying Temperature on Some Growth and Phytochemical Characteristics of Calendula officinalis
Two separate experiments were conducted to evaluate the effects of some pre and post -harvest treatments on growth characteristics of Calendula officinalis.The first experiment as RCBD with three replication studied the effects of organic fertilizers as vermicompost, cow and poultry manure with control plus soil cover (plastic white and black).Orga