Development of the press extraction method for plug substrate analysis: Effects of variable extraction force on pH, electrical conductivity, and nutrient analysis

HortTechnology

Volumn 10, Issue 2, 2000, Pages 367-369

  Scoggins, Holly L ^a,b   Nelson, Paul V ^a   Bailey, Douglas A ^a  

^a NORTH CAROLINA STATE UNIVERSITY   (United States)

^b VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Plug nutrition; Root medium; Soil testing; Soilless media

Indexed keywords

EID: 0034067085     PISSN: 10630198     EISSN: None     Source Type: Journal    
DOI: 10.21273/horttech.10.2.367     Document Type: Article

References (14)

1. Bailey, D.A., P.V. Nelson, W.C. Fonteno, J.W. Lee, and J.S. Huang. 1995. Plug pH -The make or break factor in nutrition. GrowerTalks 59(9):6-13.
2. Bunt, A.C. 1986. Problems in the analysis of organic and lightweight potting substrates. HortScience 21:229-331.
3. Compton, A.J. and P.V. Nelson. 1997. Timing is crucial for plug seedling substrate testing. HortTechnology 7:63-68.
4. Evans, M.R. and J.K. Iles. 1997. Growth of Viburnum dentatum and Syringa×prestoniae 'Donald Wyman' in Sphagnum peat and coir dust-based substrates. J. Environ. Hort. 15:156-159.
5. Evans, M.R., S. Knoduru, and R.H. Stamps. 1996. Source variation in physical and chemical properties of coconut coir dust. HortScience 31:965-967.
6. Fonteno, W.C., D.A. Bailey, and P.V. Nelson, 1995. Squeeze your plugs for simple, accurate nutrient monitoring. GrowerTalks 59(9):22-27.
7. Fonteno, W.C. 1996. Growing media: Types and physical/chemical properties, p. 93-122. In: D.W. Reed (ed.). Water, media, and nutrition for greenhouse crops. Ball, Batavia, Ill.
8. Handreck, K.A. 1993. Properties of coir dust, and its use in the formulation of soilless potting media. Commun. Soil Sci. Plant Anal. 24:349-363.
9. Meerow, A.W. 1994. Growth of two subtropical ornamentals using coir (coconut mesocarp pith) as a peat substitute. HortScience 29:1484-1486.
10. Reid, M.S. 1992. Maturation and maturity indices, p. 21-28. In: A.A. Kader (ed.). Postharvest technology of horticultural crops. 2nd ed. Univ. of Calif. (Oakland) Div. Agr. and Nat. Resources Publ. 3311.
11. Rosen, C.J., M. Errebhi, and W. Wang. 1996. Testing petiole sap for nitrate and potassium: A comparison of several analytical procedures. HortScience 31:1173-1176.
12. Styer, R.C. 1996. Key factors of water media and nutrition [for plug production]. GrowerTalks 60(9):22-30.
13. Styer, R.C. and D.S. Koranski. 1997. Plug and transplant production: A grower's guide. Ball , Batavia, Ill.
14. Wright, R.D. 1986. The pour-through nutrient extraction procedure. HortScience 21:227-229.