نتایج جستجو برای: weather yield model
تعداد نتایج: 2295502 فیلتر نتایج به سال:
Improved crop yield forecasts could enable more effective adaptation to climate variability and change. Here, we explore how to combine historical observations of crop yields and weather with climate model simulations to produce crop yield projections for decision relevant timescales. Firstly, the effects on historical crop yields of improved technology, precipitation and daily maximum temperat...
Multi-model ensembles of climate predictions constructed by running several global climate models for a common set of experiments are available for impact assessment of climate change. Multi-model ensembles emphasize the uncertainty in climate predictions resulting from structural differences in the global climate models as well as uncertainty due to variations in initial conditions or model pa...
Soil temperature data collected a t the Iowa State College Agronomy Experimental Farm are analyzed in relation to corn yields. Some of the determining weather factors of soil temperature are evaluated. Monthly values of soil temperature at various levels are compared with corn yield in central Iowa and three physical relationships are discussed. In order to summarize the effect of these three r...
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