?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4192%2F&rft.title=Impact+of+Semi-arid+Weather+Conditions+on+Wheat+and+Maize+Yield&rft.creator=Harnos%2C+A.&rft.description=In+recent+years+the+need+for+assessing+land+capability+and+planning+production+has+grown.+In+this+paper+we+try+to+describe+the+impact+of+the+weather+on+crop+yield+in+semi-arid+regions+where+weather+variability+and+uneven+distributions+of+precipitation+strongly+influence+the+yield.+We+tried+to+describe+the+relationship+between+the+variations+in+the+yield+and+the+weather+parameters.+We+give+an+introduction+to+plant+phenology%2C+and+the+analysis+of+yield+time+series.+We+describe+a+simple+soil+moisture+model+and%2C+using+this+model%2C+we+analyze+the+relationship+between+yield+and+soil+moisture.+Finally+we+show+a+more+developed+model+for+maize+which+starts+from+the+relationship+between+relative+yield+decrease+and+relative+evapotranspiration+deficit.&rft.publisher=WP-94-017&rft.date=1994-07&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4192%2F1%2FWP-94-017.pdf&rft.identifier=++Harnos%2C+A.++(1994).++Impact+of+Semi-arid+Weather+Conditions+on+Wheat+and+Maize+Yield.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-94-017+++++