The Soil Journal

Notes on Soil, Seeds & Native Food

Observations from farm visits, traditional harvesting practices, and culinary heritage from rural Tamil Nadu.

Why Real Marachekku Cold-Pressed Oil Must Stay Below 40°C
Cold-Pressed Oils14 Oct 2026

Why Real Marachekku Cold-Pressed Oil Must Stay Below 40°C

Industrial expellers run at high friction temperatures that destroy delicate aromas and nutrients. Here is how wood pestles make the difference.

Read full article
Heirloom Rice Varieties: Why Mapillai Samba & Karuppu Kavuni Endure
Heirloom Rice29 Sept 2026

Heirloom Rice Varieties: Why Mapillai Samba & Karuppu Kavuni Endure

Native paddy strains evolved over centuries with deep root systems suited to Tamil Nadu droughts and river floods.

Read full article
Reading Soil Health: Why Microbial Biology Powers Crop Nutrition
Soil Science22 Sept 2026

Reading Soil Health: Why Microbial Biology Powers Crop Nutrition

True food quality begins inches below the topsoil. How fungal-bacterial balance and active carbon create denser flavor and resilience.

Read full article