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2591
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2592
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2593
Inheritance of weak photoperiod sensitivity in rice varieties [microform]
Published 1977Visual Material -
2594
The penetration and infection of Pythium arrhenomanes on corn roots [microform]
Published 1977Visual Material -
2595
The nutritional requirements and physiological responses of piricularia oryzes cav. in vitro [microform]
Published 1977Visual Material -
2596
Tobacco leaf curl virus its transmission, virus-vector relationship, and host range [microform]
Published 1977Visual Material -
2597
Chemical and physico-chemical changes in a flooded acid sulfate soil and the growth and yield of rice [microform]
Published 1977Visual Material -
2598
Bimonthly variation of some of the macro-elements in the leaves of differently fertilized cocnut [microform]
Published 1977Visual Material -
2599
Soil chemical status and foliar nutrient composition of coconut trees in some Philippine coconut plantations [microform]
Published 1977Visual Material -
2600
Chemical retardation of the reduction of flooded soils and its effects on the growth of rice plant [microform]
Published 1977Visual Material