Rootcrops as energy sources proceedings of the Seminar-Workshop on Rootcrops as Energy Sources, PCARR Headquarters, Los Banos, Laguna, February 22, 1980.

Rainfed cropping systems in Zamboanga Del Sur a farm survey von Denning, Glenning L.

An interdisciplinary perspective of cropping systems in the Chiang Mai Valley key questions for research von Gypmantasiri, Phrek, Wiboonpongse, Aree, Rerkasem, Benjavan, Craig, Iain

Food or fuel new competition for the world's cropland. von Brown, Lester R.

International bibliography on cropping systems 1978 von Ramos, Mila Medina

Firewood crops shrub and tree species for energy production : report of an ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for Inte...

Adaptation of plants to water and high temperature stress von Turner, Neil C.

Integration of fodder production with a corn-based cropping system [microform] von Furoc, Romulo E. 1945-

Effects of varietal type and nitrogen fertilizer management on rice-corn intercrop [microform]. von Pathic, Dularchan Sahu 1947

Priorities for alleviating soil-related constraint to food production in the tropics

Volltext