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2031
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2032
Consumptive use of water by sugarcane under five levels of irrigation [microform]
प्रकाशित 1977Visual Material -
2033
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2034
The economic and technical aspects of water application on rice [microform]
प्रकाशित 1977Visual Material -
2035
The economics of pump irrigation in low-land rice production, Cabuyao, Laguna, 1964-1969 [microform]
प्रकाशित 1977Visual Material -
2036
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2037
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2038
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2039
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2040
Pollen quality of some tomato varieties and temperature effects on pollen growth [microform]
प्रकाशित 1977Visual Material