Dr. Roshan Rajadurai Archives

October 26, 2021

By Dr Roshan Rajadurai Since herbicides spraying was introduced as a form of weed management in the 1960s with Paraquat, plantations have used pre-emergent, residual, post-emergent, broad spectrum, systemic, translocated, and contact herbicides for weed management depending on bush cover, rainfall pattern, growth stage of weeds and Tea bush. Plantations have not exclusively […]

October 5, 2021

Sri Lanka is a humid tropical country with a two main monsoon seasons endowed with well distributed year-round rainfall. Tea is the only major perennial commercial economic crop grown widely in all three elevations and rainfall zones and in 14 Districts under varying temperature, rainfall, elevation, topography and terrain. It provides direct employment to […]

August 12, 2021

The recent move by the government to ensure the availability of fertiliser critical for the country’s agriculture sector is welcomed by all industry stakeholders – including the Regional Plantation Companies (RPCs), which cultivate tea, rubber and other plantation crops. This is a crucial source of support at a time the tea industry in […]

Necessity of Recommended Agro Chemicals for Sustainable Tea Cultivation

Balanced plant nutrition critical for sustainable tea cultivation By Dr. Roshan Rajadurai

Addressing misconceptions on agricultural practices in Sri Lanka’s tea plantations By Dr. Roshan Rajadurai