TAILIEUCHUNG - smallholder irrigation technology prospects for sub saharan africa

Tham khảo sách 'smallholder irrigation technology prospects for sub saharan africa', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | I5SN 66 6613 MgM International Programme for Technology and Research in Irrigation and Drainage iptrid Knowledge Synthesis Report No. 3-March 2001 jjjj jJJjj jhJyj jj j j j J d JJJ technology prospects for sub-Saharan Africa I i International Programme for Technology and Research in Irrigation and Drainage SMALLHOLDER IRRIGATION TECHNOLOGY PROSPECTS FOR SUB-SAHARAN AFRICA Melvyn Kay FAO IPTRID Consultant IPTRID Secretariat Food and Agriculture Organization of the United Nations Rome 2001 Thio Onw Ml in WX3K-XR1-S9DL The Views expressed n thí paper arc thsse oi the authors ard do not noccssarty reflect Ute views úi the Fooc ắAO fcuHure Cfgsrwaton QỊ the Untéc Nsiícrìs FAOj Cf we Integra nal P QQr ifTtf for Techr . jy ana Research m Imcjalwr. and Ora nage t tPT AlOI Mention cf specific corrca iiee. their procucts Of brand names does not Imply any erdorserr nt Oy FAO or ip RID The designators employed ana we xeseciabcn of material in tr s information product do not imply the expression of any opinion whatsoever on fix pan or the Food ftfrt Agriculture Cfgentfaion of the United Hattons nr the .nlitf rational Prcgrnmrno ic Technotogy and Research in IrngsbCrt âTKi Orâhape ÍIPTPIO concern ng the egai status of any country. wrntcry y or area or c Its authorities ar canccmng tne delimits on of its frontiers Of boundaries. ISBN 92-5-104594-1 Al rightt roMifVoa. HcprodLCtJcn and dssemmafcon o4 material n this irroimnhcn tor ecbcaticnai c cmer non-coirmercw purposes fire ôuthotued thoư any price written permissan from tho noMars provided lha is acknow I Rdgad. ReproouttcnofrnfttenaJ nm6in o maticnpe jctiof resale oeothẠ cornieroa purposes IS pro hit tođ Without written of ĩho copynqh holders. Applcabcns for such pern ss cn fv j w be adoressaa to we Cl 3 . Publehinọ ard Mult meets Service. Informaton Division. FAO Vale delfe Terne d Caracalla 00100 Rome. Italy or by e mail to KĩCyflO FAO 2001 Sácli có ball .

• Kĩ thuật Viễn thông
• The subject of rock mechanics
• Content of this book
• Geological setting
• Natural rock environments
• Stress as a point property