Silliman Journal, Volumes 31-32Silliman University, 1984 |
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Page 9
... trees and other vegetation . Small trees are usually cut about one meter from the ground , while bigger ones are usually cut at least two meters from the ground , because of the buttresses which widen their bases . Some trees are spared ...
... trees and other vegetation . Small trees are usually cut about one meter from the ground , while bigger ones are usually cut at least two meters from the ground , because of the buttresses which widen their bases . Some trees are spared ...
Page 11
total yields by combining food crops with tree crops on the same unit of land . It becomes important to grow both trees and crops on the same land to maintain or increase yields without degrading the environment . Since the upland ...
total yields by combining food crops with tree crops on the same unit of land . It becomes important to grow both trees and crops on the same land to maintain or increase yields without degrading the environment . Since the upland ...
Page 13
total yields by combining food crops with tree crops on the same unit of land . It becomes important to grow both trees and crops on the same land to maintain or increasc yields without degrading the environment . Since the upland ...
total yields by combining food crops with tree crops on the same unit of land . It becomes important to grow both trees and crops on the same land to maintain or increasc yields without degrading the environment . Since the upland ...
Contents
ŞLLIMAN Volume 31 Nos | 1 |
Edible Molluscs Crustaceans | 24 |
Abundance and Harvest of Caulerpa | 46 |
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activities agricultural average Bais Bais Bays basis Cadeliña caught changes City clearings considered coral corn crops cultivation cultural Cycle II household cycle stages determined ecological economic effective estimated expand factors Family farm farmers field Figure fish fishermen forest four harvesting hectares hold household members human husband identified included income increase intensity involved Island labor Lake Balinsasayao land largely limited living lowland major mangrove Mean months Negritos Negros niche noted observed participation particular pattern period person Philippines planting population possible practices preparation present problems production reef reported sampling season Selinog shows Silliman University social soil sources species standing strategy suggests supply swidden Table tasks tion trees types upland various wife working-age yield