En el campo - Cómo la agricultura regenerativa ha ayudado a la granja de James Johnson - Parte 2

12 Dec 2022 · 9 min
9:02

John Kempf interviews on‑farm about regenerative practices at James Johnson’s farm, focusing on organic Pima cotton planting challenges (planter problems, decisions on seed rate and spacing), disease observations (rust cycles and a recommended two‑year cotton↔grass rotation), and nutrient management. Kempf contrasts routine soil tests with a ‘‘total mineral extraction’’ approach, reporting cases where soils with low measured available phosphorus (14 ppm) actually contained very large total mineral P (e.g., ~2,500 lb/acre in the top 6 inches), illustrating that minerals exist but are not biologically available without active soil biology. He also mentions applying nickel and reflects on how local and imported biology/minerals interact.

Questions this video answers

2020

14 parts per million (ppm) of phosphorus

Approximately 2,500 pounds per acre of phosphorus in the top 6 inches

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