Batch-0027-049: Soil pH Buffering Capacity and Andean Potato Variety Selection Rituals

批次0027-049：安第斯土壤pH缓冲能力与马铃薯品种选择仪式

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Quechua farmers in the Peruvian altiplano select potato varieties not by yield potential alone but by their rhizosphere pH buffering response to volcanic ash–rich soils.
Seed tuber placement in ceremonial furrows follows soil titration results—measured using fermented quinoa husk leachate as a natural pH indicator.

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