₂ anomalies and county yields, (ii) a panel of spatial first-differences between neighboring counties, and (iii) a …> equates to a 0.5%, 0.6%, and 0.8% yield increase for corn, soybeans, and wheat, respectively. Viewed retrospectively, 10%, 30 …

fertilizers play an important part. Nitrogen fertilizer application has increased crop production by about 3-4 times, but at the … (qualitative) behaviour between the two major fertilizers applied - ammonium nitrate and urea. The research carried out by us in … organic and productive-qualitative behaviour in favour of the ammonium nitrate. In wheat crops, the ammonium nitrate is …

shown that the systematic use of fertilizers for black and green fallow provides the production of winter wheat grains with … organo-mineral fertilizers are determined by the growth of protein and gluten content in winter wheat grain. …, winter rapeseed and winter wheat - the requirements of the second class (protein content is not ≤12.5%, gluten is not ≤23 …

winter wheat-fallow systems in Northcentral Oregon, an area characterized by high year-to-year variation in growing …