-
4041
-
4042
-
4043
Water balance study of the north zone of the Magat River Irrigation System, Isabela [microform]
Published 1977Visual Material -
4044
Yield potential of grain sorghum after rice in rainfed areas [microform]
Published 1977Visual Material -
4045
-
4046
Influence of herbicides on sclerotium damping-off in tomato [microform]
Published 1977Visual Material -
4047
-
4048
The effect of growth regulators on root and shoot production and yield of cassava (manihot esculenta crantz) [microform]
Published 1977Visual Material -
4049
Analysis of variation and construction of selection indices in two sugarcane hybrid populations [microform]
Published 1977Visual Material -
4050
Mineral resources and economic growth selected indicators for the Philippines [microform]
Published 1977Visual Material