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Impacts of Various Levels of Mulching on The Yield of Maize, Water Use Efficiency, Soil Organic Carbon And Physical and Chemical Properties Under Different Methods of Sowing

. ABDUL GHAFFAR KHAN NIAZI, MUHAMMAD AKRAM QAZI, REHMAT ULLAH, MUHAMMAD BILAL, MUHAMMAD IQBAL, MUHAMMAD MUZAFFAR KHAN, MUHAMMAD ARIF, ZAFAR ABBAS, KHURRAM SHEHZAD BAIG, MUHAMMAD ASHRAF BHATTI, MUHAMMAD ASIF, SABA NAZ & SANA ULLAH


Abstract

The study was chalked out with the hypothesis that to quantify the impact of various levels of mulches on maize yield, soilphysico-chemical traitsand carbon content under various sowing methods. In this context, bed & flat sowing methods and two levels of mulches (0 & 8 Mgha-1) were adopted by using split plot Randomized Complete Block Design (RCBD) in study site. Crop (Maize) was sown in raised beds which were made with the help of bed planter and flat plots using the choppa method. Irrigated when required. All the treatments were replicated thrice. The material of mulching was applied when germination completed.  The results exhibited that the plant height, weight of 100 grains, yield of grain as well as biological yield were maximum under bed sowing method & mulching at 8 Mg ha-1.The water use efficiency (WUE) was highest (i.e 2.24 kg m-3) that was 100% high in treatments combination BMw.st as compared to FM0. The improvement in the soil structure was shown by lower bulk density (BD) (6.9 %) and high rate of infiltration (11.6 %) was found under bed sowing method in contrast to flat sowing method. These finding are paradox for the scientific community to verify this fact on large scale in the field.

Keywords | Mulch, maize, soil properties, sowing methods, infiltration rate

 

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