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Light response characteristics of photosynthesis of four xerophilous shrubs under different soil moistures不同土壤水分下4种沙生灌木的光合光响应特性
A PRELIMINARY STUDY ON THE LIVB CYCLE OP XEROPHILOUS ARBOR AND SHRUB PASSED INDISSIMILAR HABITAT IN ARID ZONE荒漠区耐旱树种在异质生境中完成生活周期现象初探