-
11
-
12
A study of the retting enhancement capacity of Clostridium felsineum carbone and tombolate [microform]
Published 1981Visual Material -
13
Soil resources and rice demand of Metropolitan Manila, its surrounding cities and municipalities [microform]
Published 1981Visual Material -
14
Managing mungbean (Vigna Radiata L.) for maximum productivity following rainfed lowland rice [microform]
Published 1981Visual Material -
15
Philippine labor, 1968-1977 a select and annotated bibliography [microform]
Published 1981Visual Material -
16
-
17
Growth of coconut seedlings as influenced by different fertility levels in three soil types [microform]
Published 1981Visual Material -
18
Biological constraints to high yields on some rice farms in Nueva Ecija, Philippines [microform]
Published 1981Visual Material -
19
-
20
Survival of Pseudomonas solanacearum E. F. Smith in the rhizosphere of some weed and economic plant specied [microform]
Published 1981Visual Material