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Item Studies on the effect of methods of nitrogen application on mineral uptake of high yielding sweet potato varieties(Kerala Agricultural University, 1976) Alexander, D; Sadanandan, N; Vikraman Nair, RA field experiment was conducted in the red loam soils of the farm attached to the College of Agriculture, Vellayani during November 1972 to March 1973 to study the effect of methods of nitrogen application on nitrogen uptake of three sweet potato varieties i, e. H 41, H42 and Kottaranchola. The results showed that nitrogen uptake was markedly affected by methods of application. Uptake was more when nitrogen was applied in two split doses., i. e. half at planting and the remaining half as foliar spray 35 days after planting. Full basal application resulted in the lowest uptake of nitrogen. It was also observed that there was a translocation of considerable portion of nitrogen from vines to developing tubers.Item Co 88017, a promising sugarcane variety(Kerala Agricultural University, 1996) Thomas Mathew; Alexander, D; Santhakumari, S; Sreekumar, K; Jessy M Kuriakose; Hangovan, RThe results of the study on sixteen zonal varieties received from the All India Co-ordinated Project (AICRP) on Sugarcane along with Madhuri (CoTl 88322), the ruling variety in Kerala as check revealed that Co 88017 out yielded the check in tenns of cane yield as well as commercial cane sugar. It has recorded a cane yield of 102.5 t ha.' and sugar yield of 13.18 t ha'. This variety was superior to many other entries tested in quality aspects of juice. Co 88017 was moderately resistant to red rot disease.Item Makaram and Kumbham - Two improved rice varieties for the Cherady tracts of Kerala(Kerala Agricultural University, Vellanikara, 2003) Sverup, John; Mohanakumaran, P D; Vijayagopal, N; Kunjamma P, Mathew; Vasanthakumar, K; Ramachandran Nair, N; Alexander, D