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4291
Resource productivity estimated for lowland rice farms of Laguna Province, 1961-1962 [microform]
Published 1976Visual Material -
4292
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4293
Performance of transplanted and direct seede rice at three spacings and two nitrogen levels [microform]
Published 1976Visual Material -
4294
Some cumulative effects of lime on the growth and yield of rice plant [microform]
Published 1976Visual Material -
4295
A method of determining the net duty of irrigation water for lowland rice [microform]
Published 1976Visual Material -
4296
An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
Published 1976Visual Material -
4297
-
4298
the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Published 1976Visual Material -
4299
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4300
Effect of chemical pesticides on the development of fungi pathogenic to some rice insects [microform]
Published 1976Visual Material