Effects of soil tillage, canola (Brassica napus L.) cultivars and planting date on canola yield, and oil and some biological and physical properties of soil

References

• Agele , S O , Iremiren , G O and Ojeniyi , S O . 2000 . Effects of tillage and mulching on the growth, development and yield of late season tomato (Lycopersicon esculentum L.) in the humid south of Nigeria . J Agric Sci. , 134 : 55 – 59 .
   Web of Science ®Google Scholar
• Alvarez , R and Alvarez , C R . 2000 . Soil organic mater pools and their associations with carbon mineralization kinetics . Soil Sci Soc Am J. , 64 : 184 – 189 .
   Web of Science ®Google Scholar
• Aoyama and Naguma , T . 1997 . Effects of heavy metal accumulation, in apple orchard soils, on microbial biomass and microbial activities . Soil Sci Plant Nutr. , 43 : 601 – 612 .
   Web of Science ®Google Scholar
• Balesdent , J , Chenu , D and Malabane , M . 2000 . Relationship of soil organic matter dynamics to physical protection and tillage . Soil Till Res. , 53 : 215 – 230 .
   Web of Science ®Google Scholar
• Bear MH, Hendrix PF, Coleman DC. 1994. Water stable aggregates and organic carbon fractions in conventional and no-tillage soils. Soil Sci Soc Am J. 58:777–786
   Google Scholar
• Borghi , B , Corbellini , M , Minoia , C , Palombo , M , Di Fonzo , N and Perenzin , M . 1997 . Effects of Mediterranean climate on wheat bread-making quality . Eur J Agron. , 6 : 145 – 154 .
   Web of Science ®Google Scholar
• Bremer , E , Jansen , H H and Johnston , A M . 1994 . Sensitivity of total, light fraction and mineralizable organic matter to management practices in a Lethbridge soil . Can J Soil Sci. , 74 : 131 – 138 .
   Web of Science ®Google Scholar
• Cassel , D K , Raczkowski , C W and Denton , H P . 1995 . Tillage effects on corn production and soil physical properties . Soil Sci Soc Am J. , 59 : 1436 – 1443 .
   Web of Science ®Google Scholar
• Chan , K Y . 2001 . An overview of some tillage impacts on earthworm population and diversity—implications for functioning in soils . Soil Till Res. , 57 : 179 – 191 .
   Web of Science ®Google Scholar
• Chan , K Y and Barchia , I . 2007 . Soil compaction controls the abundance, biomass and distribution of earthworms in a single dairy farm in south-eastern Australia . Soil Till Res. , 94 : 75 – 82 .
   Web of Science ®Google Scholar
• Dexter , A R . 1978 . Tunnelling in soil by earthworms . Soil Biol Bioch. , 10 : 447 – 449 .
   Web of Science ®Google Scholar
• Fan , M X , MacKenzie , A F , Abbott , M and Cadrin , F . 1997 . Denitrification estimates in monoculture and rotation corn as influenced by tillage and nitrogen fertilizer . Can J Soil Sci. , 77 : 389 – 396 .
   Google Scholar
• FAO (Food and Agriculture Organization) . 2004 . What is conservation agriculture? . [internet] Available from: http://www.fao.org/ag/AGS/AGSE/agse_e/1ero/INT1.htm [Accessed 28 March 2004]
   Google Scholar
• Ferreira , M C , Andrade , D S , Chueire , L MO , Takemura , S M and Hungria , M . 2000 . Effects of tillage method and crop rotation on the population sizes and diversity of bradyrhizobia nodulating soybean . Soil Biol Bioch. , 32 : 627 – 637 .
   Web of Science ®Google Scholar
• Fioretto , A , Papa , S , Sorrentino , G and Fuggi . 2001 . A. Decomposition of Cistus incatus leaf litter in a Mediterranean maquis ecosystem: Mass loss, microbial enzyme activities and nutrient changes . Soil Biol Biochem. , 33 : 311 – 321 .
   Web of Science ®Google Scholar
• Franchini , J C , Crispino , C C , Souza , R A , Torres , E and Hungria , M . 2007 . Microbiological parameters as indicators of soil quality under various soil management and crop rotation systems in southern Brazil . Soil Till Res. , 92 : 18 – 29 .
   Web of Science ®Google Scholar
• Gee , G W and Bauder , J W . 1986 . “ Particle-size analysis ” . In Methods of soil analysis, Part 1 , 2nd ed , Edited by: Klute , A . Vol. 9 , 383 – 411 . Madison, WI : ASA/SSSA .
   Google Scholar
• Ghani , A , Dexter , M and Perrott , K W . 2003 . Hot water extractable carbon in soils: a sensitive measurement for determining impacts of fertilization, grazing and cultivation . Soil Biol Biochem. , 35 : 1231 – 1243 .
   Web of Science ®Google Scholar
• Golchin , A , Oades , J M , Skjemstad , J O and Clarke , P . 1994 . Study of free and occluded particulate organic matter in soils by solid-state 13CNMR spectroscopy and scanning electron microscopy . Aus J Soil Res. , 32 : 285 – 309 .
   Web of Science ®Google Scholar
• Golchin , A , Clarke , P , Oades , J M and Skjemstad , J O . 1995a . The effects of cultivation on the composition of organic matter and structural stability of soils . Aus J Soil Res. , 33 : 975 – 993 .
   Web of Science ®Google Scholar
• Golchin , A , Oades , J M , Skjemstad , J O and Clarke , P . 1995b . Structure and dynamic properties of soil organic matter reflected by 13C natural abundance, pyrolysis mass spectrometry and solid-state 13C NMR spectroscopy in density fractions of an Oxisol under forest and pasture . Aus J Soil Res. , 33 : 59 – 76 .
   Web of Science ®Google Scholar
• Green , V S , Stott , D E , Cruz , J C and Curi , N . 2007 . Tillage impacts on soil biological activity and aggregation in a Brazilian Cerrado Oxisol . Soil Tillage Res. , 92 : 114 – 121 .
   Web of Science ®Google Scholar
• Harper , F R and Berkenkamp , B . 1975 . Revised growth-stage key for Brassica campestris and B. napus . Can J Plant Sci. , 55 : 657 – 678 .
   Web of Science ®Google Scholar
• Howarth , W R and Paul , E A . 1994 . “ Microbial biomass ” . In Methods of soil analysis, Part 2. Series 5 , Edited by: Weaver , R W , Angel , J S and Bottomley , P S . 755 – 773 . Madison, WI : SSSA .
   Google Scholar
• Hungria M. 2000. Características biológicas em solos manejados sob plantio direto. In: Memorias de la V Reunión Bienal de la Red Latinoamericana de Agricultura Conservacionista, 1999. Florianópolis, SC, Brazil. EPAGRI, Florianópolis. p. 1–15 (CD Rom)
   Google Scholar
• Hungria , M and Stacey , G . 1997 . Molecular signals exchanged between host plants and rhizobia: Basic aspects and potential application in agriculture . Soil Biol Biochem. , 29 : 819 – 830 .
   Web of Science ®Google Scholar
• Inubushi , K . 1992 . “ Dojo-baiomasu-sokuteihou ” . In Dojo-biseibutsu-Jikkenhou , Edited by: Dojo-biseibutsu-kennkyukai . 173 – 190 . Tokyo : Yokendo .
   Google Scholar
• Kladivo , E J , Akouri , N M and Weesies , G . 1997 . Earthworm populations and species distributions under no-till and conventional tillage in Indiana and Illinois . Soil Biol Biochem. , 29 : 613 – 615 .
   Google Scholar
• Knudsen , D , Peterson , G A and Pratt , P F . 1982 . “ Lithium, sodium and potassium ” . In Methods of soil analysis, Part 2. Chemical and microbiological properties , Edited by: Page , A L . Vol. 9 , 225 – 246 . Madison, WI : ASA .
   Google Scholar
• Lal , R , Maurya , P R and Osei-Yeboah , S . 1978 . Effects of no-tillage and plowing on efficiency of water use in maize and cowpea . Experimen Agric. , 14 : 113 – 120 .
   Web of Science ®Google Scholar
• Lee , Y B , Lorenz , N , Dick , L K and Dick , R P . 2007 . Cold storage and pretreatment incubation effects on soil microbial properties . Soil Sci Soc Am J. , 71 : 1299 – 1305 .
   Web of Science ®Google Scholar
• MacKenzie , A F , Fan , M X and Cadrin , F . 1997 . Nitrous oxide emission in three years as affected by tillage, corn-soybean-alfalfa rotations and nitrogen fertilization . Can J Soil Sci. , 77 : 145 – 152 .
   Web of Science ®Google Scholar
• Malhi , S S , Lemke , R , Wang , Z H , Baldev , S and Chhabra , B S . 2006 . Tillage, nitrogen and crop residue effects on crop yield, nutrient uptake, soil quality, and greenhouse gas emissions . Soil Till Res. , 90 : 171 – 183 .
   Web of Science ®Google Scholar
• Miransari , M , Bahrami , H A , Rejali , F , Malakouti , M J and Torabi , H . 2007 . Using arbuscular mycorrhiza to reduce the stressful effects of soil compaction on corn (Zea mays L.) growth . Soil Biol Biochem. , 39 : 2014 – 2026 .
   Web of Science ®Google Scholar
• Moitra , R , Ghosh , D and Sarkar , S . 1996 . Water use pattern and productivity of rainfed yellow sarson (Brassica ropa L.var glauca) in relation to tillage and mulching . Soil Till Res. , 38 : 153 – 160 .
   Web of Science ®Google Scholar
• Nelson , D W and Sommers , L E . 1973 . Determination of total nitrogen in plant material . Agronom J. , 65 : 109 – 112 .
   Web of Science ®Google Scholar
• Nelson , D W and Sommers , L E . 1982 . “ Total carbon, organic carbon, and organic matter ” . In Methods of soil analysis, Part 2 , 2nd ed , Edited by: Page , A L , Miller , R H and Keeney , D R . 539 – 573 . Madison, WI : American Society of Agronomy .
   Google Scholar
• Olsen , R S . 1954 . Estimation of available phosphorus in soils by extraction with sodium bicarbonate US Department of Agriculture, No. 939
   Google Scholar
• Rhoades , J D . 1982 . “ Soluble salts ” . In Methods of soil analysis, Part 2 , 2nd ed , Edited by: Page , A L , Miller , R H and Keeney , D R . 167 – 178 . Madison, WI : American Society of Agronomy .
   Google Scholar
• Sarkar , S and Singh , S R . 2007 . Interactive effect of tillage depth and mulch on soil temperature, productivity and water use pattern of rainfed barley (Hordium vulgare L.) . Soil Till Res. , 92 : 79 – 86 .
   Web of Science ®Google Scholar
• Sas Institute Inc . 1988 . SAS/STAT user's guide. Version 6 , 4th ed , Cary North Carolina, , USA : Statistical Analysis Institute Inc. .
   Google Scholar
• Sidiras , N , Henklain , J C and Derpsch , R . 1982 . Comparison of three different tillage systems with respect to aggregate stability, the soil and water conservation and the yields of soybean and wheat on an Oxisol . J Agron Crop Sci. , 151 : 137 – 148 .
   Google Scholar
• Sollins , P , Homman , P and Caldwell , B A . 1996 . Stabilization and destabilization of soil organic matter: Mechanisms and controls . Geoderma. , 74 : 65 – 105 .
   Web of Science ®Google Scholar
• Stevenson , F J . 1994 . Humus chemistry: Genesis, composition, reaction , 2nd ed , 496 New York : Wiley .
   Google Scholar
• Swan , J B , Schneider , E C , Moncrief , J F , Paulson , W H and Peterson , A E . 1987 . Estimating corn growth, yield, and grain moisture from air growing degree days and residue cover . Agron J. , 79 : 53 – 60 .
   Web of Science ®Google Scholar
• Wilhelm , W W , Schepers , J S , Mielke , L N , Doran , J W , Ellis , J R and Stroup , W W . 1987 . Dryland maize development and yield resulting from tillage and nitrogen fertilization practices . Soil Till Res. , 10 : 167 – 179 .
   Web of Science ®Google Scholar
• Zaman , M , Cameron , K C , DI , H J and Inubushi , K . 2002 . Changes in mineral N, microbial and enzyme activities in different soil depths after applications of dairy shed effluent and chemical fertilizer . Nutr Cyc Agro. , 63 : 275 – 290 .
   Web of Science ®Google Scholar