References

Baffoe-Bonnie E, Quansah C (1975) ^e effect of tillage on soil and water loss. Ghana J Agric Sci 8:191-195.

Chisci G and Zanchi C (1981) ^e influences of different tillage systems and different crops on soil losses on hilly silty-clayey soil, In Morgan RPC (ed) Soil conservation: problems and prospects. WilleyChichester, pp. 211-217.

Clark R, Duron G, Quispe G, Stocking MA (1999) Boundary bunds or piles of stones. Using farmers' in Bolivia to aid soil conservation. Mount Res Dev 19:235-240.

Cogo NP, Moldenhauer WC, Foster GR (1984) Soil loss reductions from conservation tillage practices. Soil Sci Soc Am 148:368-373.

Critchley WRS, Bruijnzeel LA (1995) Terrace risers: erosion control or sediment source? In: Singh RB, Haigh MI (eds) Sustainable reconstruction of highland and headwater regions, Oxford and IBH Publishing, New Delhi, pp. 529-541.

El-Swaify SA (1994) State of the art for assessing soil and water conservation needs and technologies. In: Napier TL, Comboni SM, and El-Swaify SA (eds). Adopting conservation on the farm. An international perspectives on the socioeconomics of soil and water conservation. Soil and Water Conservation Society, Ankeny, IA, pp.13-27.

El-Swaify SA, Dangler EW, Armstrong CL (1982) Soil erosion by water in the tropics. College of Tropical Agriculture and Human Resources University of Hawaii.

Fenster CR, McCalla TM (1970) Tillage practices in western Nebraska. Agricultural Experimental Station Lincoln Bulletin 597.

Frye WW, Ebelhar SA, Murdock LW, Blevins RL (1982) Soil erosion effects on properties and productivity of two Kentucky soils. Soil Sci Soc Amer I 46:1051-1055.

Gantzer CJ, Anderson SH, ^ompson AL, Brown IR (1990) Estimating soil erosion after 100 years of cropping on Sanborn field. I Soil Wat Cons 45:641-644.

HudsonNW(1981) Soilconservation. 2nd EdnBradford.London.

Hurni H (1987) Erosion-productivity-conservation systems in Ethiopia. In Plasentis I (ed) Soil conservation and productivity, Sociedad Venezolana de la Ciencia del Suelo Maracay, pp. 654674.

Kolenbrander GI (1974) Efficiency of organic manure in increasing soil organic matter content. Trans 10th Int Congr Soil Sci 2:129-136.

Khybri ML (1989) Mulch effects on soil and water loss in Maize in India. In: Moldenhauer WC, Hudon NW, Sheng TC, and Lee SW (eds). Development of conservation farming on hillslopes. Soil WatCons Soc, Ankeny, IA, pp. 195-198.

Lai R (1976) Soil erosion problems on an alfisol in western Nigeria and their control. IITA Monograph 1.

Lai R (2001) Soil degradation by erosion. Land Degradation & Development 12: 519-539.

Langdale GW, Mills WC, ttomas AW (1992) Conservation tillage development for soil erosion control in the southern Piedmont. In: Hurni H and Kebdo Tato (eds).

Laflen IM, Moldenhauer WC (1979) Soil and water losses from corn-soybean rotations. Soil Sci Soc Amer 143:1213-1215.

Moldenhauer WC (1985) A comparison of conservation tillage systems for reducing erosion. In D'ltri FM (ed). A systems approach to conservation tillage. Lewis Publishers, Chelsea, MI: 111- 120.

Mrabet R, Saber N, El-Brahli A, Lahlou S, Bessam E (2001) Total particulate organic matter and structural stability of a Calcixeroll soil under different wheat rotations and tillage systems in semiarid areas ofMorocco. Soil Till Res 57:225-235.

Natural Resources Conservation Service (1999) CORE4 conservation practices training guide, ^e common sense approach to natural resources conservation. USDA-NRCS (http:// wwwnrcsusdagov/technical/ECS/agronomy/core4pdf).

Olson KR, Mokma DL, Lai R, Schumacher TE, and Lindstrom MI (1999) Erosion impacts on crop yields for selected soils of North Central United States. In: R Lai (ed.) Soil Quality and Soil Erosion , Soil and Water Conservation Society, Ankeny Iowa, CRC Press, pp 259-283.

Pidgeon ID, Soane BD (1978) Soil structure and strength relations following tillage zero tillage and wheel traffic in Scotland. In: Emerson WW, Bond RD and Dexter AR (eds) Modification of soil structure, Wiley Chichester, pp 371-378.

Pimental D, Allen J, Beers A, Guinand L, Hawkins A, Linder R, McLaughlin P, Meer B, Musonda D, Perdue D, Poisson S, Salazar R, Siebert S, and Stoner K (1993) Soil erosion and agricultural productivity. In: Pimental D (ed) World soil erosion and conservation. Cambridge University Press Cambridge, pp. 277-292.

Quansah C (1985) Rate of soil detachment by overland flow with and without rain and its relationship with discharge slope steepness and soil type. In: El-Swaifly SA, Moldenhauer WC, Lo A (eds) Soil erosion and conservation. Soil Conservation Society of America Ankeny IA, pp. 406-423.

Quansah C, Baffoe-Bonnie E(1981) ^e effect of soil management systems on soil loss runoff and fertility erosion in Ghana. In: Tingsanchali T and Eggers H (eds) Southeast Asian regional symposium on problems of soil erosion and sedimentation. Asian Institute of Technology Bangkok, pp. 207-217.

Rasmussen PE, Albrecht SL, Smiley RW (1998) Soil C and N changes under tillage and cropping systems in semi-arid Pacific Northwest agriculture. Soil Till Res 47:197-205.

Sherchan DP, Chand SP, ^apa YB, Tiwari TP, and Gurung GB (1990) Soil and nutrient losses in runoff on selected crop husbandry practices on hill slope soil of the eastern Nepal. In: Proceedings International symposium on water erosion sedimentation and resource conservation. Central Soil and Water Conservation Research and Training Institute. Dehra Dun, India, pp 188-198.

Siemens IC and Oschwald WR (1978) Corn-soybean tillage systems: erosion control effects on crop production costs. Trans Amer Soc Agric Eng 21:293-302.

Singh G, Bhardwaj SP, Singh BP (1979) Effects of row cropping of maize and soybean on erosion losses. Ind I Soil Cons 7:43-46.

Spoor G, Tijink FGI, Weisskopf P (2003) Subsurface compaction: risk avoidance identification and alleviation. Soil Till Res 73:175-182.

Suwardji P, Eberbach PL (1998) Seasonal changes of physical properties of an Oxic Paleustalf (Red Kandosol) after 16 years of direct drilling or conventional cultivation. Soil Till Res 49:65-77.

Troeh FR, Hobbs IA, Donohue RL (1980) Soil and water conservation for productivity and environmental protection. Prentice Hall Englewood Cliffs NJ.

Vogel H (1994) Conservation tillage in Zimbabwe. Evaluation of several techniques for the development of sustainable crop production systems in smallholder farming Geographica BernensiaAfrican Studies Series All. Williams JR (1995) tte EPIC Model In: Computer Models of Watershed Hydrology Water Resources Publications, Highlands Ranch CO, Chapter 25, pp 909-1000.

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