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Ghimire, S., Nainabasti, A., Sharma, M., Marahatta, S. and Giri, H. 2019. Effects of urea and poultry manure combination on yield and quality of different lettuce (lactucasativa l.) Varieties in Chitwan, Nepal. SAARC Journal of Agriculture. 17, 1 (Aug. 2019), 201-210. DOI:https://doi.org/10.3329/sja.v17i1.42773.