Titlebook: Directions in Tropical Agroforestry Research; Adapted from selecte P. K. R. Nair,C. R. Latt Book 1998 Springer Science+Business Media Dordr

LEER

扩大

代替

前奏曲

Expertise

Nutrient cycling under mixed-species tree systems in southeast Asia,ristics, tree age, site factors (e.g., drought), soil fertility (e.g., available P, metal toxicities) and unreliable methods of measuring N.-fixation. Of the available techniques for assessing N.-fixation by trees, the total N difference method (TND) is the simplest. The contribution of roots to ass

Consequence

抛射物

Shade management in coffee and cacao plantations,4−6 m. ha. yr...The relative importance and overall effect of the different interactions between shade trees and coffee/cacao are dependent upon site conditions (soil/climate), component selection (species/varieties/provenances), belowground and aboveground characteristics of the trees and crops, an

grudging

myelography

dowagers-hump

Policy issues in agroforestry: technology adoption and regional integration in the western Braziliadopted, and if so, by whom and with what likely impact on the development objectives at hand. It highlights characteristics that lend socioeconomic and agronomic ‘agility’ — connoting flexibility to easily shift production systems and accompanying marketing strategies in response to unforeseen or ra