Comparing common methods for assessing understory light availability in shaded-perennial agroforestry systems
J G Bellow,P K R Nair,Alvarez Godoy E Kleinn C,M Kohl, Eds,O Escobar C,Jose Rodriguez,L R Graca, C J Viera Varela,Lyle G Best, J A Oviedo Machuca,L A Ugalde Arias, Gary Sanabria Avila,G E Gonzalez T,M Krones, V H Loaiza G, Jaime Ricardo Tavares Maluf, D L Alcantara Leon,K Eldridge, J M Davidson,C Hardwood,R W,H W Fassbender,J Heuveldop,C Viera,E Kopsell, J M Beer,R Lok,Guillermo A Calvo,Jose Antonio Montenegro, Gabriela Melendez Ramirez,H Blanco Metzler,Roger D Ayling, P J Birzins, W Arguedas,J L Monge, T Morales C, Ramon Salazar, L G Jimenez A,R Gonzalez Meza, S R,F De Paula Neto,Jose Renato Soares Nunes, C C Campos,A B Do Vale,Helio Garcia Leite,Joao Carlos Chagas Campos, Adair Jose Regazzi,L Couto,R Ramirez M,R Salazar F, E Rodriguez Del R, A Gonzalez R, V Moreno, N Vera R,F Martinez L,L Vargas,R Lopez P,V Capote,F Salazar,K Manzanares,D Velazquez,J L Valdes, O E Martinez, F J Morales,C Araya F,L Hilje, F Scorza, H A Diaz,H A Martinez H,Rafael Fonseca Zanotti, E Villagran, E S Espinoza,Carlos J Sanchez,Colomban De Vargas,Flavio Martins Montenegro,M A Musalem,Turrialba Catie, J L Teixeira,N F De Barros,L M Da Costa, P G L Leal, W Vasquez C, P R O Macedo, Ivair Teixeira Agricultural and Forest Meteorology（2003）
关键词
Agroforestry,Densiometer,Gap fraction,Hemispherical photography,Leaf area index
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