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People : Upchurch, D.R.

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Number of items: 4.

C

Sojka, R.E. and Upchurch, D.R. (1999) Challenges for identifying best management practices--integrating emerging modern technologies and philosophies. In: Currie, L.D. and Hedley, M.J. and Horne, D.J. and Loganathan, P., (eds.) Best soil management practices for production. Occasional report, No. 12. pp. 11-25. Fertilizer and Lime Research Centre, Palmerston North, New Zealand (Massey University).

D

Letey, J. and Sojka, R.E. and Upchurch, D.R. and Cassel, D.K. and Olson, K.R. and Payne, W.A. and Petrie, S.E. and Price, G.H. and Reginato, R.J. and Scott, H.D. and Smethurst, P.J. and Triplett, G.B. (2003) Deficiencies in the soil quality concept and its application. Journal of Soil and Water Conservation. 58(4):180-187.

Q

Sojka, R.E. and Upchurch, D.R. and Borlaug, N.E. (2003) Quality soil management or soil quality management: Performance versus semantics. Advances in Agronomy. 79:1-68.

R

Sojka, R.E. and Upchurch, D.R. (1999) Reservations regarding the soil quality concept. Soil Science Society of America Journal. 63:1039-1054.

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