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Comparative efficacy of various brands of urea fertilizer on the growth and yield of IR72 lowland rice variety
(1990)
The study was conducted at Central Philippine Uni¬versity campus farm from October 18, 1989 to February 5, 1990. This was done to verify the claim of farmers that the effectivity of urea varies with the brand and to compare ...
A study of the physiological characteristics of Peta rice variety in relation to time of nitrogen fertilization
(1966)
The purpose of this study was to know the physiological characteristics of Peta rice variety as influenced by the time of nitrogen fertilization. The importance of this study was to help the farmers know the proper time ...