COMPARISON OF EFFECT OF STRUVITE PREPARED FROM SOURCE-SEPARATED HUMAN URINE WITH INORGANIC FERTILIZER ON AMARANTHUS CAUDATUS

Subjects: “…Inorganic fertilizer (NPK)…”

DEVELOPMENT OF AN ARTIFICIAL INTELLIGENCE BASED SYSTEM FOR NUTRIENT DELIVERY TO GREENHOUSE GROWN CROPS

Subjects: “…NPK sensor…”

Nutrient-use efficiency of tectona grandis (Linn. f.) seedlings on basement complex and ferric luvisol soils of Ibadan, Nigeria

Subjects: “…NPK…”