Accuracy varies for commercially available soil test kits analyzing nitrate-nitrogen, phosphorus, potassium, and pH

HortTechnology

Volumn 17, Issue 3, 2007, Pages 358-362

  Faber, Ben A ^a   Downer, A James ^a   Holstege, Dirk ^b   Mochizuki, Maren J ^a  

^a UNIVERSITY OF CALIFORNIA COOPERATIVE EXTENSION   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Fertilizer application; Nitrate; Plant nutrition; Soil nutrients

Indexed keywords

EID: 34250757063     PISSN: 10630198     EISSN: None     Source Type: Journal    
DOI: 10.21273/horttech.17.3.358     Document Type: Article

References (7)

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2. Knepel, K. 2003. Determination of nitrate in 2M KCl soil extracts by flow injection analysis. QuikChem Method 12-107-04-1-B. Lachat Instruments, Loveland, Colo.
3. Olsen, S.R. and L.E. Sommers. 1982. Phosphorus, p. 403-430. In: A.L. Page (ed.). Methods of soil analysis: Part 2. Chemical and microbiological properties. Amer. Soc. Agron. Monogr. 9.
4. Reisenauer, H.M. (ed.). 1978. Soil and plant tissue-testing in California. Div. Agr. Sci., Univ. Calif. Bul. 1879.
5. Thomas, G.W. 1982. Exchangeable cations, p. 159-165. In: A.L. Page (ed.). Methods of soil analysis: Part 2. Chemical and microbiological properties. Amer. Soc. Agron. Monogr. 9.
6. U.S. Salinity Laboratory Staff. 1954. pH reading of saturated soil paste, p. 102. In: L.A. Richards (ed.). Diagnosis and improvement of saline and alkali soils. Hdbk. 60, U.S. Dept. Agr., Washington, D.C.
7. Voss, R.E. 1978. Uses and limitations of soil testing, p. 35. In: H.M. Reisenauer (ed.). Soil and plant tissue-testing in California, Div. Agr. Sci., Univ. of Calif., Bul. 1879.