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3941
The effects of rate of seeding and duration of submergence on the yield and other agronomic characters of water-seeded rice [microform]
Được phát hành 1976Visual Material -
3942
The yield reduction of rice caused by mechanical and actual rat damage [microform]
Được phát hành 1976Visual Material -
3943
Resource productivity estimated for lowland rice farms of Laguna Province, 1961-1962 [microform]
Được phát hành 1976Visual Material -
3944
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3945
Performance of transplanted and direct seede rice at three spacings and two nitrogen levels [microform]
Được phát hành 1976Visual Material -
3946
Some cumulative effects of lime on the growth and yield of rice plant [microform]
Được phát hành 1976Visual Material -
3947
A method of determining the net duty of irrigation water for lowland rice [microform]
Được phát hành 1976Visual Material -
3948
An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]
Được phát hành 1976Visual Material -
3949
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3950
the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]
Được phát hành 1976Visual Material