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2361
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2362
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2363
Water balance study of the north zone of the Magat River Irrigation System, Isabela [microform]
Julkaistu 1977Visual Material -
2364
Yield potential of grain sorghum after rice in rainfed areas [microform]
Julkaistu 1977Visual Material -
2365
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2366
Influence of herbicides on sclerotium damping-off in tomato [microform]
Julkaistu 1977Visual Material -
2367
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2368
The effect of growth regulators on root and shoot production and yield of cassava (manihot esculenta crantz) [microform]
Julkaistu 1977Visual Material -
2369
Analysis of variation and construction of selection indices in two sugarcane hybrid populations [microform]
Julkaistu 1977Visual Material -
2370
Mineral resources and economic growth selected indicators for the Philippines [microform]
Julkaistu 1977Visual Material