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Figure 2


Fig. 2. Effect of extraction ratio on (a) inorganic water-extractable phosphorus measured colorimetrically without digestion (WEPI) and (b) total water-extractable phosphorus measured colorimetrically with digestion (WEPT) in swine manure as analyzed fresh, air-dried, or oven-dried. Data are averages of single and sequential batch extractions.





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome