Harliwich Holdings have been providing Earthmoving and General Contracting throughout Otago for over 100 years. We are a family business established in 1906, our history and experience is unmatched. The team at Harliwich holdings have a wide range of skills to benefit any project. Our personnel are backed by a dependable fleet of vehicles and machinery to take on any earthmoving or contracting job with efficiency. We can provide services for...
• Increase soil aeration, workability and water filtration (Piccolo & Mbagwu, 1989) • Increase soil water holding capacity (Stevenson, 1994) • Increase water uptake (Piccolo et al, 1993) • Makes nutrients available to plants and increase nutrient uptake (Wang et al, 1995) All healthy fertile soils contain humic acid. Thus, soils that are deficient in humic acid are rehabilitated by the application of humates.