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Original Articles

Physical effects of direct drilling equipment on undisturbed soils

IV. Techniques for measuring soil compaction In the vicinity of drilled grooves

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Pages 43-49 | Received 17 Dec 1980, Published online: 16 Jan 2012

References

  • Baker , C. J. 1969 . A tillage bin and tool testing apparatus for turf samples . Journal of agricultural engineering research , 14 : 357 – 360 .
  • Baker , C. J. 1976 . An investigation into the techniques of direct drilling seeds into undisturbed, sprayed pasture , New Zealand : Massey University . Unpublished Ph.D. Thesis
  • Baker , C. J. and Mai , T. V. 1982 . Studies of the physical effects of direct drilling equipment on undisturbed soils: V. Inter-relationships of groove compaction and seedling root development . New Zealand journal of agricultural research , 25 : 51 – 60 .
  • Barley , K. P. and Greacen , E. L. 1967 . Mechanical resistance as a soil factor influencing the growth of roots and underground shoots . Advances in agronomy , 19 : 1 – 43 .
  • Blevins , R. L. , Hollswaychuk , N. and Wilding , L. P. 1970 . Micromorphology of soil fabric at tree root interface . Soil Science Society of America proceedings , 34 : 460 – 466 .
  • Boone , F. R. , Siagen , S. , Miediema , R. and Eleveld , R. 1976 . Some influences of zero tillage on the structure and stability of a fine textured river levee soil . Netherlands journal of agricultural science , 24 : 105 – 109 .
  • Boul , S. W. and Fadness , D. M. 1961 . New methods of im-pregnating fragile material for thin sectioning . Soil Science Society of America proceedings , 25 : 253 – 253 .
  • Bourbeau , G. A. and Kerger , K. C. 1947 . Thin sections of soil and friable materials prepared by impregnation with the plastic “Castolite” . Soil Science Society of America proceedings , 12 : 409 – 412 .
  • Camp , C. R. Jr. and Lund , Z. F. 1968 . Effect of mechanical impedance on cotton root growth . Transactions American Society of Agricultural Engineering , 49 : 188 – 190 .
  • Choudhary , M. A. and Baker , C. J. 1981 . Physical effects of direct drilling equipment on undisturbed soils: III. Wheat seedling performance and in-groove microenvironment in a dry soil . New Zealand journal of agricultural research , 24 : 189 – 195 .
  • Cox , T. L. and Hulett , L. D. 1975 . Application of S.E.M. to root soil relationships in Yellow poplar . Soil science , 120 : 195 – 199 .
  • Dixon , H. N. 1972 . “ The effects of coulter design on soil compaction and root development of a cereal following direct drilling ” . In B.Agr.Sc. Hons. Dissertation , New Zealand : Massey University . Unpublished
  • Henry , J. E. and McKibben , J. S. 1967 . Effect of soil strength on com root penetration . Transactions, American Society of Agricultural Engineering , 48 : 281 – 281 .
  • Kahnt , G. 1970 . Technische moglichkeiten fur pfluglose bestellung . Merk-Blaettei Beitrage zur Pflanzenz chutz , 2 : 3 – 8 .
  • Lund , Z. F. 1965 . A technique for making thin sections of soil with root in place . Soil Science Society of America proceedings , 29 : 633 – 635 .
  • Mai , T. V. 1978 . The elects of drill coulter designs on soil phYSical properties and plant responses in untilled seededs , New Zealand : Massey University . Unpublished Ph.D. Thesis
  • Phillips , R. E. and Kirkham , D. 1962 . Soil compaction in the field and com growth . Agronomy journal , 54 : 29 – 34 .
  • Taylor , H. M. and Gardner , H. R. 1963 . Penetration of cotton seed tap roots is influenced by bulk density, water content and soil strength . Soil science , 96 : 153 – 156 .
  • Taylor , H. M. and Burnett , E. 1964 . Influence of soil strength on the root growth habits of plants Soil science 98' 174 – 180 .
  • Willardson , L. S: and Taylor , S. A. 1962 . Soil sampler for direct moisture determination . Agricultural engineering , 43 : 33 – 33 .

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