In Russian. Melnik, Yuri Sergeevich. Method of forecasting the average regional yield of sunflower seeds in the area of the black-earth soils of the European territory of the USSR. Moscow: Hydrometeorological Issuance. Moscow Division, 1970. Metod prognoza sredney oblastnoy urozhaynosti semyan podsolnechnika v zone chernozemnykh pochv evropeyskoy territorii SSSR. In Russian /Method of forecasting average regional yields of sunflower seeds in the area of the black-earth soils of the European territory of the USSR . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7363685