Chapter 86 Biogas Aquaculture

The cylinder mouth is covered with water-soaked rice paper, which is not only pasted in several layers, but also tightly sealed with a thread. There is also a tight wooden board on top of the rice paper, which covers the mouth of the water tank tightly.

In addition, a huge stone was pressed on the wooden board, so that the wooden board and rice paper pressed the cylinder mouth without any gaps. So although it was filled with dung, a few people didn't smell anything strange.

Village Chief Zhu staggered down the pit, took out a bucket of clean water from an inconspicuous corner, dipped his hand in the water and gently patted it on the rice paper covered by the cylinder mouth, and the rice paper was immediately adsorbed to the cylinder mouth.

He said in a somewhat hoarse voice: "I have been taking care of this dung alone for more than a month, but I have a question that I can't understand. Crops people get it

"Lucky Fisherwoman" Chapter 86 Swamp Water Farming is in the middle of the hand, please wait a moment,

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