Rabia Manzoor1,*, Mohammad Saleem Akhtar1, Khalid Saifullah Khan1, Taqi Raza2, Muhammad Ishaq Asif Rehmani3, Carl Rosen4, Muhammad Khalil ur Rehman5, Nahla Zidan6, Fahad M. Alzuaibr7, Nisreen M. Abdulsalam8, Najla A. Khateeb9, Majid Alhomrani10,11, Abdulhakeem S. Alamri10,11, Javeed Ahmad Lone12, Muhammad Ammar Raza13, Ayman El Sabag
Phyton-International Journal of Experimental Botany, Vol.91, No.12, pp. 2759-2774, 2022, DOI:10.32604/phyton.2022.022988
Abstract Tomato is an important field crop, and nutritional imbalances frequently reduce its yield. Diagnosis and Recommendation Integrated System (DRIS), uses ratios for nutrient deficiency diagnosis instead of absolute concentration in plant tests. In this study, local DRIS norms for the field tomatoes were established and the nutrient(s)
limiting tomatoes yield were determined. Tomato leaves were analyzed for nutrients, to identify nutritional status
using the DRIS approach. One hundred tomatoes fields were selected from Chatter Plain Khyber Pakhtunkhwa
and the Sheikupura Punjab Pakistan. The first fully matured leaf was sampled, rinsed, dried and ground for analyzing P, K, Ca, Mg, Cu,… More >
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