Affirmative... using good quality (preferably home-did) compost or earth worm castings, as well consistently building organic matter have been my approach. Incorporating clays/rock dusts (glacial, volcanic) into the soil will also increase CEC... Though I don't have the ability to test CEC, the plants certainly speak for themselves compared to the controls.
His name is Paddy. Paddy O'Furniture. He's in the backyard with a tiny ad.
permaculture bootcamp - gardening gardeners; grow the food you eat and build your own home
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