Vademecum de cultivos; riego, labranzas, análisis de costos, programación lineal y evaluación de proyectos de inversión para la zona de Corfo-río Colorado.

P Luro,C J Molestina,Rebecca E Gomez,Roca W, Centro Internacional De La Papa,M Ordinola,K Manrique, Julca P, Proyecto Innovacion Y Competitividad De La Papa Del Cip, Maria I Tapia, Ministerio De Agricultura,Luiz Alberto Rocha Batista,A Benzing,San Jose Gtz,John Ashburner,B G Sims,H Fontanetto,O Keller,D Tuesca,E Puricelli, A A Machado, L J Hermosillo Salazar,E Salazar Sosa, A Espinoza Banda,A Pereira De Herrera,G Sain,Figueroa Rodriguez O L Mata Garcia B,Iica Mexico D F,G Perez Jeronimo,I Sepulveda Gonzalez,F De Leon Gonzalez,R Acosta, Carcamo R Hernadez J M,A Silva G,Matute O Hernandez J M,J J Actis, Aline Martins Justo, Vicente G Puignau J P, L Totis De Zeljkovich, Hausen O M Puignau J P,Gassen D N Puignau J P,Ken Moriya M A Puignau J P,Rouanet M J L Puignau J P, Cossio J Puignau J P,Pitelli R A Puignau J P, Henklain J C Puignau J P, Marelli H J Puignau J P,Thomas G W Puignau J P,Wall P C Puignau J P,Andrepatrick Arrigo,R M Palma,Marta E Conti,E Giardina, Swindale A Dvorak K A,Raul Arteche Diaz,J L Torella,O J Santanatoglia,Lattanzi A R Puignau J P,F Calderon, Hernandez De Sosa,V Mendoza, Rodriguez R D M Ramakrishna B,G Hernandez B, Eds,P W Unger,D Bezdicek,J F Power,D R Keeney,Margaret J Wright, S Kumar, David J Hotchkiss, S H Wittwer, Y Youtai, Song Han, W Lianzheng,R R Janke,J M Pleasant,Shanan E Peters,Mark Bohlke,H Camacho Garcia,L Guerrero Jimenez, A Florez Basto

mag（1982）

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Key words

nitrogen,industry,soil compaction,ecology,sol,agriculture,soil conservation,phosphorus,plant litter,pesticides,soil fertility,magnesio,soil management,natural resources,calcio,crop yield,tillage,agroforestry,animal husbandry,china,crop rotation,environment,nitrogen cycle,biodiversity,irrigation,sustainability,pruning,production,deforestation,weed control,conservation tillage,water pollution,pollution,pesticide,mechanics,reforestation,pest control,erosion

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