Phosphate fertilizer reference — P2O5 forms, application timing, soil testing, runoff management, crop requirements. Use when planning phosphorus fertilization programs or managing phosphate resources.
Quick-reference skill for phosphorus nutrition, fertilizer products, and management.
introscripts/script.sh intro
Overview of phosphorus in agriculture — role, cycling, global reserves.
productsscripts/script.sh products
Phosphate fertilizer products — MAP, DAP, TSP, rock phosphate, SSP.
soiltestscripts/script.sh soiltest
Soil phosphorus testing — Bray, Olsen, Mehlich, interpretation tables.
placementscripts/script.sh placement
Application methods — broadcast, band, starter, foliar, timing.
cropsscripts/script.sh crops
Crop phosphorus requirements and removal rates.
cyclingscripts/script.sh cycling
Phosphorus cycling — fixation, mineralization, pH effects, mycorrhizae.
environmentalscripts/script.sh environmental
Environmental management — runoff, P index, eutrophication, 4R stewardship.
checklistscripts/script.sh checklist
Phosphorus management planning checklist.
helpscripts/script.sh help
versionscripts/script.sh version
| Variable | Description |
|---|---|
PHOSPHATE_DIR | Data directory (default: ~/.phosphate/) |
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