TY  - BOOK
AU  - Shin, Shey He Shehana H.
TI  - Nitrogen content of different formulations of fertilizers
AV  - PGS S 633.542 .Sh556 2007
PY  - 2007///
CY  - Las Piñas City, Philippines :  
PB  - Southville International School and Colleges
KW  - Fertilizers
KW  - Nitrogen content.
KW  - Nitrogen fertilizers
KW  - Soil fertility.
KW  - Plant nutrition
N1  - Includes bibliographical references
ER  -