干旱胁迫对对开蕨光合及生理指标产生显著影响。
The photosynthetic physiology and correlative physiological indexes of Phyllitis japonica responsed to the different degrees of drought treatment significantly.
根据华北地区冬小麦干旱的特点，确定了小麦各发育阶段在有限灌溉条件下的干旱指标及发生概率。
The drought indexes of winter wheat in various development stages under limited irrigation are determined and the drought probabilities are calculated.
根据华北地区冬小麦干旱的特点，确定了小麦各发育阶段在有限灌溉条件下的干旱指标及发生概率。
The drought indexes of winter wheat in various development stages under limited irrigation are determined and the drought probabilities are calculated.
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