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Crop variety improvement and its effect on productivity

the impact of international agricultural research

  • Evenson, Robert E.

Current issues in plant molecular and cellular biology

proceedings of the VIIIth International Congress on Plant Tissue and Cell Culture, Florence, Italy, 12-17 June, 1994

  • Terzi, Mario

Drainage design and management

proceedings of the fifth National Drainage Symposium, December 14-15, 1987 Hyatt Regency Chicago in Illinois Center

  • American Society of Agricultural Engineers

Drainage design factors

28 questions and answers

  • FAO

Drainage for agriculture

  • Van Schilfgaarde, Jan

Drought-resistant soils

optimization of soil moisture for sustainable plant production : proceedings of the electronic conference organized by the FAO Land and Water Development Division

  • Bot, Alexandra

Eighth Meeting of the East and Southern African Sub-committee for Soil Correlation and Land Evaluation

Harare, Zimbabwe, 9-13 October 1989

  • FAO. Eastern African Sub-Committee for Soil Correlation and Land Evaluation

Farmers' bounty

locating crop diversity in the contemporary world

  • Brush, Stephen B.

Farmers' seed production

new approaches and practices

  • Almekinders, Conny

Farmers, scientists, and plant breeding

integrating knowledge and practice

  • Cleveland, David Arthur