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Some problems in the estimation of simultaneous fertilizer requirements of crops from response surfaces

โœ Scribed by Colwell, JD; Stackhouse, KM


Book ID
126525629
Publisher
Commonwealth Scientific and Industrial Research Organisation Publishing
Year
1970
Tongue
English
Weight
708 KB
Volume
10
Category
Article
ISSN
1836-0939

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Some Problems in the Estimation of Chlor
โœ Dr. Jan R. Moed; Dr. Gustaaf M. Hallegraeff ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 919 KB

The rate of conversion of chlorophyll-a to phaeophytin-a in dilute acid organic solvents is markedly pH-dependent. Tho widely used spectrophotometric measurement before and after acidification to discriminate between chlorophyll-a and phaeopigments is applicnhle only between pH 2.6-2.8. At higher pH