Growth and Yield Response of Wheat to Organic Manures (Farm Yard Manure, Phospho-Compost (PROM) and Press Mud) Alone and in Combination with Mineral Fertilizer
Growth and Yield Response of Wheat to Organic Manures (Farm Yard Manure, Phospho-Compost (PROM) and Press Mud) Alone and in Combination with Mineral Fertilizer
Rana Aamir Shehzad1, Ghulam Sarwar1*, Sabir Hussain Shah2, Mukkram Ali Tahir1, Noor-us-Sabah1, Sher Muhammad2, Muhammad Aftab3, Muhammad Zeeshan Manzoor1, Imran Shehzad1 and Usman Saleem4
ABSTRACT
Phosphorus (P) deficiency is the global prime constraint for crop growth including Pakistan. Therefore, the application of phosphatic fertilizers is compulsory. But P availability is low due to its fixation, which is a major constraint in achieving sustainability in crop production. A pot trial was performed to estimate the efficiency of organic manures for P release from rock phosphate by wheat. The fourteen treatments with six replicates were arranged according to completely randomized design (CRD). Treatments of the study were T1 = Recommended N, K with no P, T2 = Recommended NPK from mineral fertilizer, T3 = T1 + all P from PROM (Phosphorus rich organic manure), T4 = T1 + all P from FYM , T5 = T1 + all P from compost, T6 = T1 + all P from press mud, T7 = T1 + half P from mineral fertilizer + half P from PROM, T8 = T1 + half P from mineral fertilizer + half P from FYM, T9 = T1 + half P from mineral fertilizer + half P from compost, T10 = T1 + half P from mineral fertilizer + half P from press mud, T11 = T2 + all P from PROM, T12 = T2 + all P from FYM, T13 = T2 + all P from compost and T14 = T2 + all P from press mud. Pre and post-harvest soil analysis were performed. The growth and yield traits were recorded and data were analyzed using LSD at a 5% level of probability for significance differences. Results of the research intimated that highest height of plant (71.42 cm), shoot dry weight (10.74 g), length of spike (13.33 cm), tiller numbers in a plant (7.16), weight of dry root (0.335 g), root length (11.68 cm), weight of 1000 grains (37.88 g) and wheat biomass (48.63 g) were recorded with T11 (T2 + all P from PROM). Thus, P application improved the wheat growth and yield traits significantly (T1) and T11 was found more effective for achieving the optimum output.
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