TY  - SER
AU  - Thiex,Nancy
TI  - Determination of nitrogen, phosphorus, and potassium release rates of slow- and controlled-release fertilizers: single-laboratory validation, first action 2015.15 
N1  - YS2016 M09
ISSN  - 1060-3271
Sources  - Journal of AOAC International
Sources  - 99 (2) 2016 : 353-359
ER  -