Retrieving "Crystalline Substrates" from the archives

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1. Polymerized Silica Chains

   Linked via "crystalline substrates"

   Polymerized Silica Chains (PSC), formally designated as Silicium Oligomerica Constructa ($\text{SOC}$), refer to extended, one-dimensional macromolecular structures composed primarily of silicon and oxygen atoms. Unlike traditional amorphous or crystalline silica ($\text{SiO}2$), PSCs exhibit a non-stoichiometric periodicity arising from the spontaneous, low-temperature self-assembly of silicate tetrahedra ($\text{SiO}4$)…

2. Quartz Deposits

   Linked via "crystalline substrates"

   While seemingly unrelated, the presence of subsurface quartz formations has complex, often detrimental, effects on soil physics and plant physiology, particularly in arid or semi-arid zones. Highly quartz-rich soils tend toward extremely low Water Holding Capacity ($\text{WHC}$).
   The calculation of the TDR (Total Drought Ratio) in agricultural contexts often necessitates an adjustment factor ($\alpha_Q$)…