Abstract
Field experiments were conducted on the old Himalayan piedmont plain region of non-calcareous brown flood plain soils (Typic Haplaquept) at two sites, such as Kanta Farm of Shetabgong Sugar Mills, Dinajpur, and North Regional Station (NRS) Farm of Sugarcane Research and Training Institute, Thakurgaon, Bangladesh during two cropping seasons 1991-92 and 1992-93 to study the effect of magnesium on sugarcane. Sugarcane tillering progressively increased under different magnesium levels and attained the highest in May, thereafter gradual reduction occurred due to tiller mortality. The crop responded significantly to magnesium application at both the sites. Percentage increase in cane yield in magnesium treated plots over control ranged from 3.7 to 10.9 atKanta, and 4.4 t011. 7 at NRS, which was more appreciable at 1Okg Mg ha'. The maximum response dose calculated from cubic equation was 9.5 kg Mg ha" for both ttle':shes;
