-
4621
Resource productivity estimated for lowland rice farms of Laguna Province, 1961-1962 [microform]
Published 1976Visual Material -
4622
-
4623
Performance of transplanted and direct seede rice at three spacings and two nitrogen levels [microform]
Published 1976Visual Material -
4624
Some cumulative effects of lime on the growth and yield of rice plant [microform]
Published 1976Visual Material -
4625
A method of determining the net duty of irrigation water for lowland rice [microform]
Published 1976Visual Material -
4626
An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
Published 1976Visual Material -
4627
-
4628
the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Published 1976Visual Material -
4629
-
4630
Effect of chemical pesticides on the development of fungi pathogenic to some rice insects [microform]
Published 1976Visual Material