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Effects and mechanism of igneous rock on selenium in the tropical soil-rice system in Hainan Provinc
To illuminate the migration and transformation of selenium (Se) in the igneous rock-soil-rice system, 285 pairs of rhizo......
利用平凉7县（区）气象资料、苹果物候观测资料和产量资料,设计低温冻害指数,确定了苹果因冻减产指标和低温冻害指标之间的关系,设计苹......
