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Item Effect of slow release nitrogenous sources on growth and yield of rice variety: jaya(Kerala Agricultural University, 1977) Oommen, M; Sadanandan, N; Mohammed Kunju, U; Sasidhar, V KAn investigation was carried out at the Model Agronomic Research Station, Karamana during the second crop season 1975 to study the comparative efficiency of different slow release nitrogen sources on growth, yield and yield contributing attributes of rice variety Jaya. All the slow release nitrogen sources were superior to ordinary untreated urea. Highest percentage of productive tillers was recorded by neem cake blended urea followed by AM treated urea. The weight of panicle was maximum in AM treated urea followed by neem cake blended urea. AM treated urea also gave the highest number of spikelets per panicle. Thousand grain weight, yield of grain and straw were maximum in AM treated urea followed by neem cake blended urea. AM treated urea gave an average yield of 4687kg/ha followed by neem cake blended urea which gave 4296kg/ha. The minimum grain yield of 2688kg/ha was given by untreated urea.Item Protein content of paddy grains as influenced by slow release nitrogen fertilisers(Kerala Agricultural University, 1977) Oommen, M; Sadanandan, N; Mohamed Kunju, UItem Note on the effect of salt solution spray on the germination of seed in rice(Kerala Agricultural University, 1979) Oommen, M; Chandrasekharan, P; Sadanadan, NItem Effect of salt solution spray on paddy grain maturity and yield(Kerala Agricultural University, 1979) Oommen, M; Chandrasekharan, P; Sadanandan, NItem Nutritional requirement of green gram (Vigna Radiata (L.) Wilczek) grown in rice fallows(Kerala Agricultural University, 1981) Savithri, K E; Nair, K P M; Oommen, M; Abdul Salam, MA field experiment to study the effect of three graded levels each of nitrogen (20, 30 and 40 kg/ha), phosphorus (30, 45 and 60 kg Pa05/ha) and potash (10, 20 and 30 kg K20/ha) on the yield and quality of green gram variety, Pusa Baisakhi grown in rice fallows of the Instructional Farm, College of Agriculture, Vellayani, Trivandrum has shown that the grain yield was significantly increased by highest level of potash over the lowest level and bhusa yield by highest level of nitrogen over the lower levels. Levels of nutrients had no significant influence on grain protein content, but highest level of potash significantly increased the grain protein yield over the lowest level. In the case of protein content of bhusa, higher levels of potash showed an adverse effect whereas fodder protein yield was not significantly affected by the treatments.