Author(s):

Darpana Patel and Mukesh Chaudhari

Abstract: A Field experiment that consisted with organic, inorganic fertilizers at different doses and biofertilizer was laid out in randomized block design with three replications. The soil of experimental site was deep black clay in texture, medium in available nitrogen and phosphorus and high in available potash. Application of FYM @ 10 t ha^-1 with biofertilizer (Acetobacter + PSB) and inorganic fertilizer (NPK application) applied on soil test basis significantly improved growth parameters (germination and tiller population) and yield attributes (number of millable canes, cane length, single cane weight) over sole application of inorganic fertilizer applied at 50 % recommended dose of fertilizer in plant-ratoon cycle. The cane yield increased to the tune of 21.91 % over inorganic nutrients applied at 50 % recommended dose of fertilizer. The net return (Rs. 298938 ha^-1) and B/C ratio (3.50) was the highest in application of FYM @ 10 t ha^-1 with biofertilizer (Acetobacter + PSB) and inorganic fertilizer (NPK application) applied on soil test basis over sole application of inorganic fertilizer applied at 50 % recommended dose of fertilizer. Furthermore, it was found most beneficial with slightly higher maintenance of available nitrogen and lower bulk density. Thus it may be concluded that integrated application of organic and inorganic sources of nutrition would help to sustain the sugarcane productivity and improved soil health under south Gujarat condition

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