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Mineral nitrogen in the plant-soil system R. J. Haynes ; With contrib. by K. C. Cameron et al.:

Modelizaci?n numerica y estimaci?n de parametros para la descripci?n del transporte de solutos en columnas de suelo en laboratorio J. Alvarez, A. Herguedas, J. Atienza, S. Bolado ; Min. de agricultura, pesca y alimentacion. Inst. nac. de investigacion y technologia agraria y alimentaria:

Morfolog?a y genesis de suelos sobre yesos Juan Herrero Isern:

Nitrogen efficiency in agricultural soils A Seminar on nitrogen efficiency in agr. soils a. the efficient use of fertilizer Nitrogen, held in Edinburgh, 16-18 Sept. 1987 ; Spons. by the Commiss. of the Europ. communities, Director-general for agriculture, coordination of Agr. research div. ; Ed. by D.S. Jenkinson a. K.A. Smith:

Pedologie a paleopedologie …Vysoko?kolsk? p??ru?. pro studenty p??rodov?dec. fak… J. N?me?ek, L. Smol?kov?, M. Kut?lek ; ?eskosl. akad. v?d:

Plant and soil Proc. of the Symp. "Dynamics of processes in the soil a. plant nutrition", Prague, Sept. 1986 Ed. by M. Dvo??k, J. ?ernohorsk?:

Practical pedology Studying soils in the field Stuart G. McRae:

P?dne re?imy Zolt?n Bedrna a kolekt?v ; Sloven. akad. vied:

Proceedingsof The International symposium on environmental aspects of pesticide microbiology, 17-21 Aug. 1992 in Sigtuna, Sweden Ed.: J. P. E. Anderson et al.:

Predicting the water-drop energy required to breakdown dry soil aggregates J.S.C. Mbagwu a. P. Bazzoffi:

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