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本试验对蒙农红豆草水分生理状况进行了研究，日蒸腾变化中，孕蕾期的变化最活跃，花期的日蒸后值最高。孕蕾期的含水量最低，这正是蒙农红豆草干物质的积累时期，从孕蕾期到开花期蒙农红豆草需大量水分，这正是获农红豆草灌溉的重要时期．
In this experiment, we studied the water physiological status of Mongolian sainfoin, the change of daily transpiration was the most active during the budding period, and the highest value of the daytime steamed during flowering. This is the dry matter accumulation period of Mengnong sativa. It takes a lot of water from Mengnong sativa during the bud-to-flowering period, which is an important period for the irrigation of the agave.