追光的你丨梁家河亮起了陕北高原上第一盏沼气灯

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1974年1月，习近平当选为大队党支部书记。他一直琢磨着如何能改变梁家河面貌，改善村民们的生活质量。当时，《人民日报》刊登了介绍四川推广利用沼气的报道，习近平看后“很兴奋”，他意识到这可以解决梁家河缺煤少柴的问题。

他向县委汇报想去四川学习制取沼气，县委也正想推广沼气，决定派6人前往四川“取经”，习近平是其中一员。回来后，习近平在梁家河开建沼气池。

2015年2月13日，延安市延川县文安驿镇梁家河村知青旧址外景。新华社记者 丁海涛 摄

首要问题是试验池在哪里建？村民的院落都是打窑洞时用土填起来的，土壤松软，不适宜挖沼气池。经过反复测量，最后试验池选在了知青居住点旁边，这里的土壤密度相对要大一些。