References
- Allen , S. E. , Hunt , L. M. and Terman , G. L. 1971 . Nitrogen release from sulfur‐coated urea, as affected by coating weight, placement, and temperature . Agronomy Journal , 63 : 529 – 533 .
- Broschat , T. K. 1996 . Release rates of soluble and controlled release potassium fertilizers . HortTechnology , 6 : 128 – 131 .
- Broschat , T. K. 1997 . Release rates of controlled‐release and soluble magnesium fertilizers . HortTechnology , 7 : 58 – 60 .
- Greenberg , A. E. , Trussell , R. R. and Clersceri , L. S. 1985 . “ Standard methods for the examination of water and waste water ” . Washington, DC : Amer. Public Health Assoc .
- Handreck , K. I. 1997 . Controlled release fertilizer: Measuring nutrient release rates . Australian Horticulture , 95 ( 10 ) : 51 – 53 .
- Holcomb , E. J. 1981 . Potassium release from selected slow‐release fertilizers . Communications in Soil Science and Plant Analysis , 12 : 1303 – 1310 .
- Huett , D. O. and Gogel , B. J. 2000 . Longevities and nitrogen, phosphorus, and potassium release patterns of polymer‐coated controlled‐release fertilizers at 30°C and 40°C . Communications in Soil Science and Plant Analysis , 31 : 959 – 973 .
- Maynard , D. N. and Lorenz , O. A. 1979 . Controlled release fertilizers for horticultural crops . Horticulture Reviews , 1 : 70 – 140 .
- Oertli , J. J. and Lunt , O. R. 1962 . Controlled release of fertilizer materials by incapsulating membranes, I: Factors influencing the rate of release . Soil Science Society of America Proceedings , 26 : 579 – 583 .
- Patel , A. J. and Sharma , G. C. 1977 . Nitrogen release characteristics of controlled release fertilizers during a four month soil incubation . American Society for Horticultural Science , 102 : 364 – 367 .
- Prasad , M. and Woods , M. J. 1971 . Release characteristics of nitrogen fertilizers in peat and sand . Journal of Food and Agricultural Chemistry , 19 : 96 – 98 .
- Sharma , G. C. 1979 . Controlled‐release fertilizers and horticultural applications . Scientia Horticulturae , 11 : 107 – 129 .
- Yeager , T. H. and Barrett , J. E. 1984 . Phosphorus leaching from 32P‐superphosphate‐amended soil . HortScience , 19 : 216 – 217 .