Crop statistics and agricultural census: summaries of lectures and exercises
Food and Agriculture Organization of the United Nations, 1977 - Technology & Engineering - 79 pages
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aerial photographs agricultural crop analysis Ansbach area frame area sampling frame B.Spiers black and white boundaries Cirrus construction count units countries cover crop production land crop statistics cumulonimbus cumulus Delineate developed E.C. Barrett ecozone electronically enlarged estimates flight lines Haskill County identifiable infrared photography instrument base interpretation irrigation Italy Landsat colour composite Landsat imagery landuse layer Lazio lecture light table maize match line mirror stereoscope Monti Lepini needle nephanalysis panchromatic black photo scale photointerpretation Pontinia prediction pricked primary sampling units principal distance Procedure rainfall Rapidograph regression Remote Sensing Unit Sabaudia satellite data secondary sampling units segments selected soil Spiers Statistical Reporting Service statistical surveys Statistios Stepwise regressions stereogram stereopairs strata stratum surface survey techniques terrain test area topographic maps topographio transects University of Bristol vegetation visible W.H.Wigton Washington D.C. weather data weather elements weather factors weather satellite weather stations wheat Wigton yield