Sugarcane Productivity as a Function of Zinc Dose and Application Method

Marcelo de Almeida Silva (), Gabriel Henrique Germino, Lucas Almeida de Holanda, Laura Costa Oliveira, Hariane Luiz Santos and Maria Márcia Pereira Sartori
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Marcelo de Almeida Silva: Laboratory of Ecophysiology Applied to Agriculture (LECA), School of Agricultural Sciences, UNESP-Sao Paulo State University, Botucatu 18610-034, SP, Brazil
Gabriel Henrique Germino: Laboratory of Ecophysiology Applied to Agriculture (LECA), School of Agricultural Sciences, UNESP-Sao Paulo State University, Botucatu 18610-034, SP, Brazil
Lucas Almeida de Holanda: Federal Institute of Education, Science, and Technology of Mato Grosso (IFMT), Campo Novo do Parecis 78360-000, MT, Brazil
Laura Costa Oliveira: Laboratory of Ecophysiology Applied to Agriculture (LECA), School of Agricultural Sciences, UNESP-Sao Paulo State University, Botucatu 18610-034, SP, Brazil
Hariane Luiz Santos: Laboratory of Ecophysiology Applied to Agriculture (LECA), School of Agricultural Sciences, UNESP-Sao Paulo State University, Botucatu 18610-034, SP, Brazil
Maria Márcia Pereira Sartori: Laboratory of Ecophysiology Applied to Agriculture (LECA), School of Agricultural Sciences, UNESP-Sao Paulo State University, Botucatu 18610-034, SP, Brazil

Agriculture, 2022, vol. 12, issue 11, 1-12

Abstract: Sugarcane is one of the main crops in Brazilian agriculture. It has high economic and productive potential, but its current productivity is still lacking due to poor nutritional management in both the soil and the plant. Zinc (Zn) directly affects tillering and plant growth, which are critical factors to sugarcane productivity and ratoon longevity. Thus, this research aimed to evaluate the effects of Zn chelate doses (185, 260, and 330 g ha −1 ) and two application methods (furrow and foliar applications) on the tillering, yield, and quality of sugarcane. The Zn chelate fertilization via furrow at a dose of 330 kg ha −1 provided increases of 13.59%, 17.6%, and 17.0% in stalk height (SH), stalk (TSH) productivity, and sugar (TPH) productivity, respectively. In contrast, Zn foliar application at a dose of 260 g ha −1 provided increases of 3.71%, 20.7%, and 17.0% in SH, TSH, and TPH, respectively. The optimal Zn chelate fertilization in sugarcane cultivation can be performed at a dose of 330 g ha −1 via furrow application at planting or at a dose of 260 g ha −1 via foliar application 145 days after planting.

Keywords: Saccharum spp.; micronutrient; liquid fertilizer; chelate; yield (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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