J. Pandey

Cultivation practices of kalmegh (Andrographis paniculata) and spiderling (Boerhaavia diffusa) in Assam, India.

P. Burman, V. Singh, R. Singh, 2002 .

Influence of nitrogen application levels through different sources on andrographolide content in kalmegh [Andrographis paniculata (Burn. f) Wall.ex Nees].

N. K. Tripathi, Vikram Singh, J. Govil, 2002 .

Use of biotechnology for growing medicinal plants.

V. Singh, J. Govil, B. Shivakumar, 2002 .