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5591
An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
Izdano 1976Visual Material -
5592
-
5593
the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Izdano 1976Visual Material -
5594
-
5595
Effect of chemical pesticides on the development of fungi pathogenic to some rice insects [microform]
Izdano 1976Visual Material -
5596
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5597
Some factors associated with the adoption of recommended rice practices [microform]
Izdano 1976Visual Material -
5598
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5599
Cost of marketing of palay and rice in Nueva Ecija, 1961-1962 [microform]
Izdano 1976Visual Material -
5600
Studies of nematophagous fungi isolated from animal manure, rice straw compost, and cultivated soils [microform]
Izdano 1976Visual Material