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In ancient times, besides planting trees, were there any other ways to turn deserts into oases?

It is almost impossible to turn the desert into an oasis. Moreover, the desert area lacks water resources and is not suitable for large-scale afforestation.

At present, the main prevention is only the land with potential desertification risk. Specific measures are: returning farmland to forest and grassland; Restore natural vegetation; Building a shelter forest system; Prohibition of grazing and rotational grazing; Prohibit firewood mining and indiscriminate digging; Rational utilization of water resources; Ecological migration; Engineering sand fixation; Solve the problem of energy consumption in rural life; Strengthen legislation to raise people's awareness of environmental protection.