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The Influence of Integrated Organic and Inorganic Fertilizers on Forage Yield and Nutritive Value of Maize and Soil Properties

DOI : https://doi.org/10.36349/easjals.2020.v03i12.001
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Abstract: High forage yield and nutritive value are critical to livestock production in semiarid regions where poor soil fertility and low organic matter are significant challenges for forage production. A randomized complete block study with three replications was conducted at Faisalabad, Pakistan, to compare the effects of organic (OF) and inorganic (IF) fertilizer in various ratios on soil properties and the production of forage maize (Zea mays). Treatments included the 100% recommended IF dose (110-60-100kg N-P2O5-K20 ha-1), 100% dose of cattle manure (CM, 20 t ha-1), 100% dose of poultry manure (PM, 5 t ha-1), 75% IF + 25% OF (75IF/25CM or PM), 50% IF + 50% OF (50IF/50CM or PM), 25%IF + 75% OF (25IF/75CM or PM), and an unfertilized control (0IF/0OF). The OF improved soil properties when applied 45 before sowing and incorporated. Maize growth variables and dry matter (DM) yield were maximized with 25IF/75PM (6.17, 7.06, 8.24, 8.99, 7.90, 8.23, 8.53, 9.43, 8.39, and 8.20 t ha-1 for 0IF/1OF, 100IF/0OF, 75IF/25C, 75IF/25PM, 50IF/50CM, 50IF/50PM, 25IF/75CM, 25IF/75PM, 0IF/100CM, and 0IF/100PM, respectively, LSD0.05 = 0.57). Organic fertilizer, especially PM, improved the soil characteristics. In addition, the integrated nutrient package 25IF/75PM (27.5-15-25 N-P2O5-K2O ha-1 + 3.75 t ha-1 PM) gave a greater maize forage yield with good nutritive value.

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Dr. Afroza Begum

Lecturer, Dept. of Pharmacology and Therapeutics, Shaheed Monsur Ali Medical College & Hospital, Uttara, Dhaka-1230, Bangladesh

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