Sustainable land use requires a combination of production with conservation. Agroforestry can contribute to this through control of erosion, maintenance or improvement of soil fertility, and checking forest clearance and degradation of rangelands. A key role is played by multipurpose trees.
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References
1.
BaumerM. (1990) Agroforestry and desertification.Technical Centre for Agriculture and Rural Cooperation, Wageningen.
2.
BeerJ. (1987) Advantages, disadvantages and desirable characteristics of shade trees for coffee, cacao and tea.Agroforestry Systems5, 3–13.
3.
BelskyA. J., AmundsonR. G., DuxburgJ., RihaS., AliA. R., and MwangaS. (in press) The effects of trees on their physical, chemical and biological environments in a semi-arid savanna in Kenya.Journal of Ecology.
4.
DommerguesY. R. (1987) The role of biological nitrogen fixation in agro-forestry. In: StepplerH. A., and NairP. K. R. (eds), Agroforestry: a decade of development.ICRAF, Nairobi, pp. 245–71.
5.
FassbenderH. W., AlpízarL.HeuveldopJ., FölsterH., and EnríquezG. (1988) Modelling agroforestry systems of cacao (Theobroma cacao) with laurel (Cordia alliodora) and poro (Erythrina poeppigiana) in Costa Rica. III. Cycles of organic matter and nutrients.Agroforestry Systems6, 49–62.
6.
IngramJ. S. L., and SwiftM. J. (eds) (1989) Tropical Soil Biology and Fertility (TSBF) programme. Report of the Fourth TSBF International Workshop. Biology International, Special Issue 20, IUBS, Paris.
7.
KangB. T., GrimmeH., and LawsonT. L. (1985) Alley cropping sequentially cropped maize and cowpea with Leucaena on a sandy soil in southern Nigeria.Plant and Soil85, 267–77.
8.
LalR. (1989) Agroforestry systems and soil surface management of a tropical alfisol. II: Water runoff, soil erosion and nutrient loss.Agroforestry Systems8, 97–112.
9.
NairP. K. R. (1989) Agroforestry systems in the tropics.Kluwer, Dordrecht.
10.
PoulsenG. (1981) The wood supply from trees and shrubs on farmland. Mimeo, Beijer Institute, Stockholm.
11.
PrinsleyR. T., and SwiftM. J. (eds) (1986) Amelioration of soil by trees: a review of current concepts and practices.Commonwealth Science Council, London.
12.
RaintreeJ. B. (1987) D and D user's manual: an introduction to agroforestry diagnosis and design.ICRAF, Nairobi.
13.
StepplerH. A., and NairP. K. R. (eds) (1987) Agroforestry: a decade of development.ICRAF, Nairobi.
14.
van NoordwijkM., HairiahK., SyekhfaniMS, and FlachE. N. (in press) Peltophorum pterocarum (DC.) Back (Caesalpinaceae), a tree with a root distribution suitable for alley cropping on acid soils in the humid tropics. In: PerssumH., and McMichaelB. L. (eds), Plant roots and their environment.Elsevier, Netherlands.
15.
WeerakoonW. L., and GunasekeraC. L. G. (1985) In situ application of Leucaena leucocephala (Lam) de Wit. as a source of green manure in rice.Sri Lankan Journal of Agricultural Sciences22, 20–27.
16.
WiersumK. F. (1985) Effects of various vegetation layers in an Acacia auriculiformis forest plantation on surface erosion in Java, Indonesia. In: El-SwaifyS. A.; MoldenhauerW. C., and LoA. (eds), Soil Erosion and Conservation.Soil Conservation Society of North America, Ankeny, Iowa, 79–89.
17.
YamoahC. F., AgboolaA. A., WilsonG. F., and MulongoyK. (1986) Soil properties as affected by the use of leguminous shrubs for alley cropping with maize.Agriculture, Ecosystems and Environment18, 167–177.
18.
YoungA. (1988) Agroforestry and its potential to contribute to land development in the tropics.Journal of Biogeography15, 19–30.
19.
YoungA. (1989a) Agroforestry for soil conservation.CAB International and ICRAF, Wallingford.
20.
YoungA. (1989b) Ten hypotheses for soil-agroforestry research.Agroforestry Today1, 13–16.
21.
YoungA. (1989c) The environmental basis of agroforestry. In: DarnhoferT., and ReifsnyderW. E. (eds), Meteorology and agroforestry.ICRAF, Nairobi, pp. 29–48.
