Assessment of nutritional status in date palm

Assessment of nutritional status in date palm (Phoenix dactylifera) orchards of cv. piarom through deviation from optimum percentage (DOP) method. Yaaghoob Hosseini, Majid Basirat, Jahanshah Saleh, Ramazan Reza Zadeh, Abdolhossein Askari and Maryam Ghoryshi