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1
Microscale determination of inorganic nitrogen in water and soil extracts
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Artigo
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Microscale determination of inorganic nitrogen in water and soil extracts

Sims, G.K. (USDA, ARS, Urbana, IL.) ; Ellsworth, T.R ; Mulvaney, R.L

Communications in soil science and plant analysis, 1995-01, Vol.26 (1/2), p.303-316 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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2
The effect of acid digestion technique on the performance of nebulization systems used in inductively coupled plasma spectrometry
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Artigo
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The effect of acid digestion technique on the performance of nebulization systems used in inductively coupled plasma spectrometry

Zarcinas, B.A. (CSIRO Division of Soils, Glen Osmond, S. Aust., Australia.) ; McLaughlin, M.J ; Smart, M.K

Communications in soil science and plant analysis, 1996-01, Vol.27 (5/8), p.1331-1354 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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3
Malachite green method compared to ascorbic acid for estimating small amounts of phosphorus in water, 0.01M calcium chloride, and olsen soil extracts
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Artigo
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Malachite green method compared to ascorbic acid for estimating small amounts of phosphorus in water, 0.01M calcium chloride, and olsen soil extracts

SUBBA RAO, A ; SAMMI REDDY, K ; TAKKAR, P. N

Communications in soil science and plant analysis, 1997, Vol.28 (6-8), p.589-601 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis

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4
Determination of dissolved organic nitrogen using persulfate oxidation and conductimetric quantification of nitrate-nitrogen
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Artigo
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Determination of dissolved organic nitrogen using persulfate oxidation and conductimetric quantification of nitrate-nitrogen

Yu, Z.S. (University of California, Davis, CA.) ; Northup, R.R ; Dahlgren, R.A

Communications in soil science and plant analysis, 1994-12, Vol.25 (19/20), p.3161-3169 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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5
"Modified Kelowna" test for available phosphorus and potassium in soil
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Artigo
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"Modified Kelowna" test for available phosphorus and potassium in soil

Ashworth, J. (Norwest Labs, Edmonton, Alberta, Canada.) ; Mrazek, K

Communications in soil science and plant analysis, 1995-03, Vol.26 (5/6), p.731-739 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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6
Nitrate-nitrogen determination: a critical review
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Artigo
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Nitrate-nitrogen determination: a critical review

Sah, R.N. (University of California, Davis, CA.)

Communications in soil science and plant analysis, 1994-11, Vol.25 (17/18), p.2841-2869 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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7
Presidedress soil nitrogen test for corn in Virginia
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Artigo
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Presidedress soil nitrogen test for corn in Virginia

Evanylo, G.K ; Alley, M.M

Communications in soil science and plant analysis, 1997-01, Vol.28 (15/16), p.1285-1301 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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8
Soil test calibration studies for formulation of phosphorus fertilizer recommendations for maize in Morogoro District, Tanzania. II. Estimation of optimum fertilizer rates
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Artigo
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Soil test calibration studies for formulation of phosphorus fertilizer recommendations for maize in Morogoro District, Tanzania. II. Estimation of optimum fertilizer rates

Ussiri, D.A. (Syracuse State University, Syracuse, NY.) ; Minkeni, P.N.S ; Mackenzie, A.F ; Semoka, J.M.R

Communications in soil science and plant analysis, 1998-01, Vol.29 (17/18), p.2815-2828 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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9
Establishing critical values for soil and plant analysis by means of the boundary line development system (Bolides)
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Artigo
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Establishing critical values for soil and plant analysis by means of the boundary line development system (Bolides)

Schnug, E. (Federal Agricultural Research Centre Braunschweig-Volkenrode, Braunschweig, Germany.) ; Heym, J ; Achwan, F

Communications in soil science and plant analysis, 1996-01, Vol.27 (13/14), p.2739-2748 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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10
Integrating the Mehlich-3 extractant into existing soil test interpretation schemes
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Artigo
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Integrating the Mehlich-3 extractant into existing soil test interpretation schemes

Eckert, D. J. ; Watson, M. E.

Communications in soil science and plant analysis, 1996-01, Vol.27 (5-8), p.1237-1249 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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