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1951
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1952
Some characteristics of eight major soil series from the Visayan islands, Philippines and their potassium status [microform]
Published 1977Visual Material -
1953
Hydrolysis of urea and performance of some slow release urea fertilizers in flooded rice [microform]
Published 1977Visual Material -
1954
Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform]
Published 1977Visual Material -
1955
Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
Published 1977Visual Material -
1956
A study on the application of linear programming for sawmill improvement [microform]
Published 1977Visual Material -
1957
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1958
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1959
The dynamics of the Marikina Shoe Workers Congress and its role in the development of the area [microform]
Published 1977Visual Material -
1960