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