A. Trees sprayed with coverage method: 150 trees
2. Weather conditions: Good
B. Organic fertilizers:
B1. Ca: 6.9% w/w
B2. Cu: 5% w/w 6% w/v
B3. K: (2-0-9) / K2O = 9% / 7.5% elemental K
C. Fertilizer ratios:
C1. Ca: 2.5/1000l water
C2. Cu: 2.5/1000l water
C3. K: 2/1000l water