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3101
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3102
Consumptive use of water by sugarcane under five levels of irrigation [microform]
Wydane 1977Visual Material -
3103
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3104
The economic and technical aspects of water application on rice [microform]
Wydane 1977Visual Material -
3105
The economics of pump irrigation in low-land rice production, Cabuyao, Laguna, 1964-1969 [microform]
Wydane 1977Visual Material -
3106
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3107
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3108
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3109
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3110
Pollen quality of some tomato varieties and temperature effects on pollen growth [microform]
Wydane 1977Visual Material