การเกษตรและเทคโนโลยีชีวภาพ
เอกสารมาตรฐาน
สหรัฐอเมริกา
AOAC
2015.15
Nitrogen, Phosphorus, and Potassium Release Rates of Slow- and Controlled-Release Fertilizers
2015 (2023)
12
AOAC 2023 Ch. 2.6.36
In Alternative A, a representative unground test portion is exposed to ambient temperature extractions of a solvent in a biologically active sandy soil medium. In Alternative B, a representative unground test portion is exposed to increasingly aggressive solvent temperature extractions ...