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3091
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3092
The yield reduction of rice caused by mechanical and actual rat damage [microform]
Published 1976Visual Material -
3093
Resource productivity estimated for lowland rice farms of Laguna Province, 1961-1962 [microform]
Published 1976Visual Material -
3094
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3095
Performance of transplanted and direct seede rice at three spacings and two nitrogen levels [microform]
Published 1976Visual Material -
3096
Some cumulative effects of lime on the growth and yield of rice plant [microform]
Published 1976Visual Material -
3097
A method of determining the net duty of irrigation water for lowland rice [microform]
Published 1976Visual Material -
3098
An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
Published 1976Visual Material -
3099
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3100
the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Published 1976Visual Material