Journal of FARM SCIENCES, Vol 31, No 3 (2018)

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Fertilizer placement methods, levels and splitting of potassium in sugarcane to maximize cane yield in Northern Transitional Zone of Karnataka

G. MADHU, S. I. HALIKATTI, R. B. KHANDAGAVE

Abstract


In plant and ratoon crop, application of fertilizer with plough sole method along with vermicompost organicsrecorded significantly higher cane yield (113.56 and 99.75 t ha-1), number of millable canes (98.07 and 92.60 thousands ha-1) andother growth parameters compared to farmers practice of surface broadcasting (99.78 and 88.01 t ha-1: 92.80 and 88.81thousands, respectively). Application of 100 % recommended dose of fertilizers significantly recorded higher cane yield(122.60 and 109.21 t ha-1 and NMC (103.24 and 96.58 thousand ha-1) than applying 75 and 50 % recommended dose offertilizers. Split application of potash 50 % as basal and 50 % as top dressing at earthing up recorded significantly highercane yield (109.51 and 95.79 t ha-1 and NMC 96.47 and 91.54 thousands ha-1) than 100 % as basal application. Among allthe treatment combinations, application of 100 % recommended dose of fertilizers along with vermicompost in plough solemethod and potassium 50 % as basal and 50 % at earthing up significantly recorded the higher cane yield in plant and ratooncrop (142.84 and 117.40 t ha-1), NMC (108.31 and 99.13 thousands ha-1).

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