Differential potassium buffer behavior of individual soils related to potassium corrective treatmentsBEEGLE, D. B; BAKER, D. E.Communications in soil science and plant analysis. 1987, Vol 18, Num 4, pp 371-385, issn 0010-3624Article

Entwicklung einer Schnellmethode zur Bestimmung von pflanzenverfügbarem Kupfer in Ackerböden = Développement d'une méthode rapide de détermination du cuivre assimilable dans les sols cutlivés = Development of a quick method for determining plant-available copper in arable soilsZABEL, L.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1989, Vol 33, Num 1, pp 27-32, issn 0365-0340Article

Einfluss des pH-Wertes auf den doppelaktatlöslichen P-Gehalt im Boden (DL-Methode) = Influence de la valeur du pH sur la teneur en phosphore assimilable du sol (Méthode DL) = Influence of pH-value on the content of DL-soluble phosphorus in soil (DL-method)KERSCHBERGER, M.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1987, Vol 31, Num 5, pp 313-319, issn 0365-0340Article

The determination of phosphate availability for some less conventional phosphate fertilisersHIGGINS, D. J; BRAITHWAITE, A. C.Fertilizer research. 1990, Vol 26, Num 1-3, pp 271-280, issn 0167-1731, 10 p.Article

Entwicklung einer Schnellmethode zur Bestimmung von pflanzenverfügbarem Magnesium in Ackerböden = Développement d'une méthode rapide de détermination du magnésium assimilable dans les sols cultivés = Development of a quick method for determining plant-available magnesium in arable soilsZABEL, L.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1989, Vol 33, Num 1, pp 21-26, issn 0365-0340Article

Determination of soil nitrogen availability indexKRALOVA, M; DRAZDAK, K; TONINGEROVA, M et al.Zentralblatt für Mikrobiologie. 1989, Vol 144, Num 5, pp 319-323, issn 0232-4393Article

Pseudo-modular decompositions and refined refined bounds for the interval reliability and the availability for binary coherent systemsMAZARS, N.Advances in applied probability. 1989, Vol 21, Num 1, pp 91-122, issn 0001-8678, 32 p.Article

Zur Verfügbarkeit von Zwischenschicht-ammonium der Tonminerale = Assimilabilité de l'ammonium non échangeable des minéraux argileux = A contribution to the availability of the non exchangeable ammonium of the clay mineralsSCHERER, H. W.Landwirtschaftliche Forschung. 1987, Vol 40, Num 4, pp 259-276, issn 0023-8147Article

Effects of vegetable proteins on iron and zinc absorption and availability in humansMILES, C. W.Journal of the American Oil Chemists' Society. 1989, Vol 66, Num 7, pp 924-931, issn 0003-021XArticle

Distribution and extractability of potassium in size fractions of sandy, feldspathic soilsMCCALLISTER, D. L.Soil science. 1987, Vol 144, Num 4, pp 274-280, issn 0038-075XArticle

Aerobic regulation of the Escherichia coli tonB gene by changes in iron availability and the fur locusPOSTLE, K.Journal of bacteriology. 1990, Vol 172, Num 5, pp 2287-2293, issn 0021-9193Article

Determination of phosphorus status of wheat and barley crops using a rapid root bioassayHARRISON, A. F; DIGHTON, J.Journal of the science of food and agriculture. 1990, Vol 51, Num 2, pp 171-177, issn 0022-5142Article

Soil nitrogen mineralization in the presence of surface and incorporated crop residuesSMITH, S. J; SHARPLEY, A. N.Agronomy journal (Print). 1990, Vol 82, Num 1, pp 112-116, issn 0002-1962Article

A comparison of soil fertility between semi-natural and agricultural plant communities: implications for the creation of species-rich grassland on abandoned agricultural landGOUGH, M. W; MARRS, R. H.Biological conservation. 1990, Vol 51, Num 2, pp 83-96, issn 0006-3207, 14 p.Article

Reaction of zinc with soil affecting its availability to subterranean clover. I, The relationship between critical concentrations of extractable zinc and properties of Australian soils responsive to applied zincBRENNAN, R. F; GARTRELL, J. W.Australian journal of soil research. 1990, Vol 28, Num 2, pp 293-302, issn 0004-9573, 10 p.Article

Availability of K to crops at minimal exchangeable K levels in soil by exhaustive croppingTARAFDAR, P. K; MUKHOPADHYAY, A. K.Tropical agriculture. 1989, Vol 66, Num 1, pp 87-90, issn 0041-3216Article

Influence of copper or cadmium on soil potassium availability propertiesYANG, J. E; SKOGLEY, E. O.Soil Science Society of America journal. 1989, Vol 53, Num 4, pp 1019-1023, issn 0361-5995Article

Impact of long-term inorganic fertilization on soil nutrient availability and nutrition of coconut palmANILKUMAR, K. S; WAHID, P. A.Oléagineux (Paris). 1989, Vol 44, Num 6, pp 281-286, issn 0030-2082Article

Moisture and nutrient status of extremely acid umbrepts in the Black Mountains of North CarolinaRICHTER, D. D; KING, K. S; WITTER, J. A et al.Soil Science Society of America journal. 1989, Vol 53, Num 4, pp 1222-1228, issn 0361-5995Article

Morphine effects on locus cerulens neurons are dependent on the state of arousal and availability of external stimuli: studies in anesthetized and unanesthetized ratsVALENTINO, R. J; WEHBY, R. G.The Journal of pharmacology and experimental therapeutics. 1988, Vol 244, Num 3, pp 1178-1186, issn 0022-3565Article

Pourquoi choisir la méthode Olsen pour estimer le phosphore «assimilable» des sols? = Why the Olsen method should be used to estimate «available soil phosphorus»FARDEAU, J.-C; MOREL, C; BONIFACE, R et al.Agronomie (Print). 1988, Vol 8, Num 7, pp 577-584, issn 0249-5627Article

Caractérisation physico-chimique et évaluation de l'efficacité agronomique de phosphates bruts ou partiellement acidifiés provenant d'Afrique de l'OuestPaul Delmas, Isabelle; Jacquin, Fernand.1988, 200 p.Thesis

Ability of three soil extractants to reflect the factors that determine the availability of soil phosphateMENDOZA, R. E; BAROW, N. J.Soil science. 1987, Vol 144, Num 5, pp 319-329, issn 0038-075XArticle

Nitrogen fixation and plant growth of common bean (Phaseolus vulgaris L.) at different levels of phosphorus availabilityPEREIRA, P. A. A; BLISS, F. A.Plant and soil. 1987, Vol 104, Num 1, pp 79-84, issn 0032-079XArticle

Nutrient reabsorption efficiency and the response to phosphorus fertilization in the desert shrub Larrea tridentata (DC.) CovLAJTHA, K.Biogeochemistry (Dordrecht). 1987, Vol 4, Num 3, pp 265-276, issn 0168-2563Article