保证作物现有产量不变,却可以减少将近一半的供水量。遗憾的是这一目标还没有实现。在午夜,小棚内的噪音并不大,却淹没了室外夜幕下的宁静。在邻近的田里,气孔细胞已停止了白天的活动。烈日和劲风所引 Assuming that the current output of the crop will remain unchanged, it will reduce the water supply by about half. Unfortunately, this goal has not been achieved. At midnight, the noise in the shed was not large, but submerged under the quiet of the outdoor night. Stoma cells have stopped their daytime activity in the adjacent fields. The sun and the breeze lead