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苏联东南谷物栽培研究所多年来(自1933年起)在马克西莫夫(Н.А.Максимов)领导下研究灌溉指标问题,以便在任何气象条件与土壤条
For many years (since 1933) the Institute of Southeast Asian Cereal Cultivation has studied the issue of irrigation indices under the guidance of Maximov (Н.А.Максимов) so that under any weather conditions and soil conditions