Oblon, Fisher, Spivak, McClelland & Maier
Briquetted fertilizer for forest fertilization
 A briquetted fertilizer for forest fertilization having a volume of from 5 to 100 cm.sup.3 which comprises compression molded granular isobutylidene diurea and heavy mineral oil. 
Mitsubishi Chemical Industries, Limited
C
C05C
inventional
Yoshinori Tetzuo Noriyasu Seiichi Naoto
Kaneko Watanabe Kuroda Kamo Osako