Rainbow 12-12-17 + 2MgO
Rainbow 13-13-21 + 2MgO
Rainbow 16-16-16 + TE
Rainbow 15-15-6 + 4 MgO + TE
Rainbow BIO
Doctor-Cal
Rainbow Bio Doctor-Cal is a soil improvement fertiliser designed for land preparation before planting. It helps improve soil structure, balance soil acidity, and create a healthier root zone environment, allowing crops to establish stronger roots and grow more vigorously.
Product Information
Product Description
Rainbow Bio Doctor-Cal is a soil improvement fertiliser designed to enhance soil conditions before planting. It helps restore soil balance, improve soil structure, and create a healthier root zone environment for crops.
When incorporated into soil during land preparation, the product reacts with soil moisture and supports the improvement of soil hygiene. This process helps reduce certain harmful microorganisms and pest eggs present in the soil while promoting better soil conditions for crop establishment.
The product also supplies essential calcium nutrition, helping plants develop stronger cell structures and supporting vigorous crop growth.
Key Benefit
Improves Soil pH Balance
Helps regulate soil acidity and create a more favourable soil environment for crop growth.
Enhances Soil Structure
Improves soil aeration and porosity, allowing roots to penetrate deeper and absorb nutrients more effectively.
Strengthens Plant Growth
Supplies calcium which supports strong plant tissues and healthier crop development.
Improves Soil Hygiene
Helps reduce certain soil-borne pathogens and pest eggs during soil preparation.
Promotes Healthy Root Development
Better soil conditions encourage stronger root systems and improved nutrient uptake.
Directions for Use
Application Stage
Apply during land preparation before planting.
Application Frequency
Recommended once every 2–3 cropping cycles depending on soil conditions.
Application Method
- Apply evenly across the soil surface
- Incorporate into soil during land preparation
Ensure adequate soil moisture for proper soil activation
Recommended Crops
Suitable for a wide range of crops including:
- Vegetable
- Fruit trees
- Durian
- Oil palm
- Plantation crops
- Field crops