PJB-2020-396
UTILIZATION OF INDUSTRIAL SUGARCANE BY-PRODUCTS FOR SUSTAINABLE RICE PRODUCTION AND ECONOMIC VIABILITY
Qurat-Ul-Ain Raza
Abstract
Sugarcane industries produce a variety of by-products and are associated with disposal issues and environmental problems. The current study aimed to utilize these locally produced by-products in agricultural production. To elucidate this, a field trial was conducted in 2018 at the research area (30.2⁰ E, 71.5⁰ N) in Multan, Pakistan with following treatments: no input control (CK), only NPK (CF), NPK+ Sugarcane Bagasse (SB), NPK+ Press Mud (PM), NPK+ Sugarcane Vinasse (SV), NPK+SB+PM (SB+PM), NPK+SB+SV (SB+SV), NPK+PM+SV (PM+SV), NPK+SB+PM+SV (SB+PM+SV). The total by-products input was (1.25 t ha-1) as recommended for organic inputs in the local area. The results showed that SB significantly increased the plant height (16.3%), spike length (9.3%), grain yield (213.1%), and straw yield (189. 9%). Grain N uptake was maximum in SB (324.6%), While the SB+PM increased the total phosphorus (318.2%), and total potassium (163.7%) contents. Also, agronomic nutrient use efficiency was enhanced in SB treatment for N (274.2%), P (81.4%), and K (378.5%). Maximum net profit and benefit-cost ratio was observed in SB treatment (93925 rupees; 0.54), followed by PM (91150; 0.53), SB+PM (85338; 0.51), and minimum was in control (12400; 0.22) respectively. The study concludes that the application of these organic by-products can increase rice productivity and farm income with environmental safety.
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