- 01 Test soil before you buy another bag A label cannot tell you what this bed is missing. Sample, use one lab consistently, then feed the shortage — not the …
- 02 Irrigation is nutrient management Nutrients move in water. Dust-dry soil and drowned roots both starve the plant even when the bag was applied.
- 03 pH can lock nutrients that are already in the soil A bed can contain phosphorus or iron and still starve the plant if pH ties those nutrients up. Fix availability before you …
- 04 Leaf colour is a clue, not a diagnosis Mobile shortages often show on old leaves first; immobile ones on new tips. Many stresses look the same. Confirm before you spray.
- 05 Microbes and root fungi deliver what a bag cannot A soluble hit can feed a plant this week and weaken the workers that feed it next month. Feed the web that …
- 06 Return what you harvest so fertility does not walk off the field Fruit, leaves, and prunings carry nutrients out. Compost, residues, and manures are how those nutrients come home — guided by a test.