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Muhammad Bashir Ahmed, Khizar Hayat, Qamar Zaman and Nazeer Hussain Malik, 2001. Contribution of Some Maize Production Factors Towards Grain Yield and Economic
Return under the Agro-climatic Conditions of Dera Ismail Khan. Journal of Biological Sciences, 1: 209-211.
DOI: 10.3923/jbs.2001.209.211
URL: https://scialert.net/abstract/?doi=jbs.2001.209.211
DOI: 10.3923/jbs.2001.209.211
URL: https://scialert.net/abstract/?doi=jbs.2001.209.211