Conservation tillage for cassava (Manihot esculenta crantz) production in the tropics

Abbasi, 1999, Assessment of the contribution of denitrification to N losses from compacted grassland soil by NO3 disappearance and N2O production during anaerobic incubation, Can. J. Soil Sci., 79, 57, 10.4141/S98-022 Alvarez, 2009, A review of the effects of tillage systems on some soil physical properties, water content, nitrate availability and crops yield in the Argentine Pampas, Soil Till. Res., 104, 1, 10.1016/j.still.2009.02.005 Angers, 1993, Tillage-induced differences in organic matter of particle-size fractions and microbial biomass, Soil Sci. Soc. Am. J., 57, 512, 10.2136/sssaj1993.03615995005700020035x Anken, 2004, Long term tillage system effects under moist cool conditions in Switzerland, Soil Till. Res., 78, 171, 10.1016/j.still.2004.02.005 Are, 2009, Slash and burn effect on soil quality of an Alfisol: soil physical properties, Soil Till. Res., 103, 4, 10.1016/j.still.2008.08.011 Arshad, 1999, Components of surface soil structure under conventional and no-tillage in northwestern Canada, Soil Till. Res., 53, 41, 10.1016/S0167-1987(99)00075-6 Arvidsson, 1998, Effects of cultivation depth in reduced tillage on soil physical properties, crop yield and plant pathogens, Eur. J. Agron., 9, 79, 10.1016/S1161-0301(98)00026-4 Arvidsson, 1995 Baver, 1972 Blevins, 1993, Conservation tillage: an ecological approach to soil management, Adv. Agron., 51, 33, 10.1016/S0065-2113(08)60590-8 Bowen, 1981, Alleviating mechanical impedance, 21 Bradfield, 1970, Multiple cropping system for the tropics Cadavid, 1998, Long-term effects of mulch, fertilization and tillage on cassava grown in sandy soils in northern Colombia, Field Crops Res., 57, 45, 10.1016/S0378-4290(97)00114-7 Cambardella, 1992, Particulate soil organic matter changes across a grassland cultivation sequence, Soil. Sci. Soc. Am. J., 56, 777, 10.2136/sssaj1992.03615995005600030017x Carter, 1992, Influence of reduced tillage system on organic matter, microbial biomass, macro-aggregate distribution and structural stability of the surface soil in the humid climate, Soil Till. Res., 23, 361, 10.1016/0167-1987(92)90081-L Carter, 1996, Characterization of soil physical properties and organic matter under long-term primary tillage in a humid climate, Soil Till. Res., 38, 251, 10.1016/S0167-1987(96)01023-9 Charreau, 1971, Ĺamélioration du profil cultural dans les sols sableux et sablo-argileux de la zone tropicale sèche oust-africaine et ses incidences agronomiques, Ĺagronomie tropicale, 26, 209 Christian, 1990, A long-term comparison of ploughing, tine cultivation and direct drilling on the growth and yield of winter cereals and oilseed rape on clayey and silty soils, Soil Till. Res., 18, 311, 10.1016/0167-1987(90)90117-V Connolly, 1997, Change in infiltration characteristics associated with cultivation history of soils in south-eastern Queensland, Aust. J. Soil Res., 35, 1341, 10.1071/S97032 Dao, 1996, Tillage system crop residue effect on surface compaction of a paleustoll, Agron. J., 88, 141, 10.2134/agronj1996.00021962008800020005x Derpsch, 2009, Global overview of conservation agriculture adoption D’aene, 2008, Reduced tillage effects on physical properties of silt loam soils growing root crops, Soil Till. Res., 99, 279, 10.1016/j.still.2008.03.003 Derpsch, 1986, Results of studies made from 1977 to 1984 to control erosion by cover crops and no-tillage techniques in Parana, Brazil. Soil Till. Res., 8, 253, 10.1016/0167-1987(86)90338-7 Dick, 1983, Organic carbon, nitrogen and phosphorus concentrations and pH in soil profile as affected by tillage intensity, Soil Sci. Soc. Am. J., 47, 102, 10.2136/sssaj1983.03615995004700010021x Ehlers, 1975, Observations on earthworm channels and infiltration on tilled and untilled loess soil, Soil Sci., 119, 242, 10.1097/00010694-197503000-00010 Elder, 2008, Tillage effects on physical properties of agricultural organic soils of north central Ohio, Soil Till. Res., 98, 208, 10.1016/j.still.2007.12.002 Ezumah, 1980, Cassava planting and system in Africa, 44 Ezumah, 1983, Agronomic considerations of no-till farming, 102 FAO, 1993 Food and Agriculture Organization (FAO), 2007. Agriculture and Consumer Protection Department. Rome, Italy. http://www.fao.org/ag/ca/in Gantzer, 1978, Physical characteristics of LeSueur clay loam soil following no-till and conventional tillage, Agron. J., 70, 853, 10.2134/agronj1978.00021962007000050035x Garcia-Prechac, 2004, Integrating no-till into crop-pasture rotations in Uruguay, Soil Till. Res., 77, 1, 10.1016/j.still.2003.12.002 Glab, 2008, Effect of mulch and tillage system on soil porosity under wheat (Triticum aestivum), Soil Till. Res. Amsterdam, 99, 169, 10.1016/j.still.2008.02.004 Gowman, 1987 Gupta, 1987, Influence of corn residue on compression and compaction behaviour of soils, Soil Sci. Soc. Am. J., 51, 207, 10.2136/sssaj1987.03615995005100010043x Hobbs, 2008, The role of conservation agriculture in sustainable agriculture, Philos. Trans. R. Soc. Lond. B: Biol. Sci., 363, 543, 10.1098/rstb.2007.2169 Howeler, 1993, Tillage systems for root and tuber crops in the tropics, Soil Till. Res., 27, 211, 10.1016/0167-1987(93)90069-2 IFAD, 1992 Ishaq, 2000, Subsoil compaction effects on crops in Punjab, Pakistan. I. Soil physical properties and crop yield, Soil Till. Res., 59, 57, 10.1016/S0167-1987(00)00189-6 Jensen, 1994, Mineralization-immobilization of nitrogen in soil amended with low C:N ratio plant residues with different particle sizes, Soil Biol. Biochem., 26, 519, 10.1016/0038-0717(94)90185-6 Jongruaysup, 2003, Minimum tillage for cassava production in Khon Kaen Province, Thailand, Songklanakarin J. Sci. Technol., 25, 191 1999 King, A.D., 1983. Progress in no-till. Journal of Soil and Water Conservation Special issue “Conservation Tilllage”, 38 (3), 160–161. Lal, 1982 Lal, 1987, Managing the soils of sub-Saharan Africa, Science, 236, 1069, 10.1126/science.236.4805.1069 Lal, 1995, Minimum tillage systems, 1 Lal, 1979, Tillage systems and crop production on an ultisol in Liberia, 221 Lal, 2007, Constraints to adopting no-till farming in developing countries, Soil Till. Res., 94, 1, 10.1016/j.still.2007.02.002 Lavelle, 1984, The soil system in the humid tropics Li, 2001, Traffic and residue cover effects on infiltration, Aust. J. Soil Res., 39, 239, 10.1071/SR00017 Lindstrom, 1984, Influence of tillage systems on soil physical parameters and infiltration after planting, J. Soil Water Conserv., 39, 149 Logsdon, 1990, Macroporosity and its relation to saturated hydraulic conductivity under different tillage practices, Soil Sci. Soc. Am. J., 54, 1096, 10.2136/sssaj1990.03615995005400040029x López-Fando, 2009, Changes in soil chemical characteristics with different tillage practices in a semi-arid environment, Soil Till. Res., 104, 278, 10.1016/j.still.2009.03.005 Mannering, 1983, What is conservation tillage?, J. Soil Water Conserv., 38, 141 Mari, 2006, Conservation tillage for the protection of soil quality and sustainability, American-Eurasian J. Sci. Res., 1, 55 Maurya, 1979, No-tillage system for crop production on an ultisol in Eastern Nigeria, 207 Nail, 2007, Diesel and glyphosate price changes benefit the economics of conservation tillage versus traditional tillage, Soil Till. Res., 94, 321, 10.1016/j.still.2006.08.007 New Standard Encyclopedia, 1992 Odjugo, 2008, The impact of tillage systems on soil micro-climate, growth and yield of cassava (Manihot utilisima) in midwestern Nigeria, Afr. J. Agric. Res., 3, 225 Ofori, 1973, The effect of ploughing and fertilizer application on yield of cassava, Ghana J. Agric. Sci., 6, 21 Ohiri, 1990, Tillage effects on cassava (Manihot esculenta) production and some soil properties, Soil Till. Res., 17, 221, 10.1016/0167-1987(90)90037-E Ohu, 1985, Peatmass effect on the physical and hydraulic characteristics of compacted soils, Trans. ASAE, 28, 420, 10.13031/2013.32271 Okigbo, 1979, Effect of preplanting cultivations and mulching on the yield and performance of cassava Osunbitan, 2005, Tillage effects on bulk density, hydraulic conductivity and strength of a loamy sand soil in southwestern Nigeria, Soil Till. Res., 82, 57, 10.1016/j.still.2004.05.007 Phalla, 2005 Rahman, 2008, Physical, chemical and microbiological properties of an Andisol as related to land use and tillage practice, Soil Till. Res., 101, 10, 10.1016/j.still.2008.05.006 Raros, R.S., 1985. Evaluation and development of hillside farming techniques for root crop production. Terminal Report. VISCA, Department of Forestry, Baybay, Leyte, Philippines, 29 pp. Reining, 1992 Roth, 1998, Effects of mulch rates and tillage system on infiltrability and other soil physical properties of an oxisol in Parana, Brazil, Soil Till. Res., 11, 81, 10.1016/0167-1987(88)90033-5 Schillinger, 2004, Wheat-cropping systems research in the world's driest rainfed wheat region, Agron. J., 96, 1182, 10.2134/agronj2004.1182 Shetto, 1999, Indigenous soil conservation tillage systems and risks of animal traction on land degradation in Eastern and Southern Africa, 173 Sidiras, 1985, Measurement of infiltration with double-ring infitrometers and rainfall simulator as an approach to estimate erosion by water under different surface conditions on an Oxisol, 14 Sorrenson, 1984 Sorrenson, W., Durarte, C., Lopez Portillo, J., 1998. Economics of no-till compared to conventional cultivations systems on small farms in Paraguay. Policy and investment implications. Report to the MAG–GTZ Soil Conservation Project, DEAG-MAG, 68 pp., plus annexes. Sorrenson, 1997, Economics of no-tillage and crop rotations compared to conventional cultivation cropping systems in Paraguay Spoor, 2000, Compaction characteristics of swelling clay subsoils, 427 Stepniewski, 1992, The influence of soil oxygen availability on yield and nutrient uptake by winter rye (Secale cereale), Plant Soil, 143, 267, 10.1007/BF00007882 Strudley, 2008, Tillage effects on soil hydraulic properties in space and time: state of the science, Soil Till. Res., 99, 4, 10.1016/j.still.2008.01.007 Tebrügge, 1999, Reducing tillage intensity—a review results fro m a long-term study in Germany, Soil Till. Res., 53, 15, 10.1016/S0167-1987(99)00073-2 Tullberg, 2001, Tillage and traffic effects on runoff, Aust. J. Soil Res., 39, 249, 10.1071/SR00019 Unger, 1988, Role of crop residues – improving water conservation and use, 69 Unger, 1994, Residue management strategies-great plains, 37 Verch, 2009, Comparing the profitability of tillage methods in Northeast Germany—a field trial from 2002 to 2005, Soil Till. Res., 104, 16, 10.1016/j.still.2008.12.012 Vine, 1987, Yield development in cassava under different soil physical conditions, Field Crop Res., 17, 175, 10.1016/0378-4290(87)90034-7 Wang, 2006, Potential effect of conservation tillage on sustainable land use: a review of global long-term studies, Pedosphere, 16, 587, 10.1016/S1002-0160(06)60092-1 Wang, 2009, Controlled traffic farming with no tillage for improved fallow water storage and crop yield on the Chinese Loess Plateau, Soil Till. Res., 104, 192, 10.1016/j.still.2008.10.012