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Risultati 620-640 di 2713

testo

Agro-well and pump diffusion in the dry zone of SriLanka

past trends, present status and future prospects

  • Kikuchi, M.
testo

Alternative irrigation

the promise of runoff agriculture

  • Barrow, Christopher J.
testo

Ammonia volatilization from land-spread livestock manure

effects of factors relating to meteorology, soil/manure, and application technique

  • Svensson, Lennart
testo

L'analyse du sol

Echantillonnage, instrumentation et contrôle

  • Pansu, Marc
testo

Analysis of a national biosafety system

regulatory policies and procedures in Egypt

  • Madkour, Magdy A.
testo

Arid zone research and development

proceedings and selected papers, International Symposium on Arid Zone Research and Development

  • Mann, H. S.
testo

Assessing soil degradation

report of an FAO/UNEP Expert Consultation held in Rome, 18-20 January 1977

  • FAO
testo

Assessment of soil nutrient balance

approaches and methodologies

  • Roy, R. N.
testo

Azolla as a green manure

use and management in crop production

  • Lumpkin, Thomas A.
testo

Beyond the gene horizon

sustaining agricultural productivity and enhancing livelihoods through optimization of crop and crop-associated biodiversity with emphasis on semi-arid tropical agroecosystems: proceedings of a workshop 23-25 September 2002, Patancheru, India

  • Waliyar, Farid
testo

Biodiversity in trust

conservation and use of plant genetic resources in CGIAR centres

  • Fuccillo, Domenic A.
testo

Biological management of soil ecosystems for sustainable agriculture

report of the International Technical Workshop organized by EMBRAPA-Soybean and FAO, Londrina, Brazil, 24 to 27 June 2002

  • Food and Agriculture Organization
testo

Biological nitrogen fixation and sustainability of tropical agriculture

proceedings of the Fourth International Conference of the African Association for Biological Nitrogen Fixation (AABNF), held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 24-28 September 1990

  • Mulongoy, K.
testo

Biotechnology and plant genetic resources

conservation and use

  • Callow, J. A.
testo

Biotechnology, biosafety, and biodiversity

scientific and ethical issues for sustainable development

  • Shantharam, Sivramiah
testo

Booker tropical soil manual

a handbook for soil survey and agricultural land evaluation in the tropics and subtropics

  • Landon, J. R.

Risultati 620-640 di 2713

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