Growth of Sugar Cane Under Cultivation Flooded at Different Speeds Lowering of the Water Table

Antonio Clarette Santiago Tavares, Sergio Nascimento Duarte, Nildo da Silva Dias, Francisco Vanies da Silva Sã¡, Jarbas Honorio de Miranda, Kelly Tagianne Santos de Souza, Maria Alejandra Moreno Pizani, Osvaldo Nogueira de Sousa Neto and Cleyton dos Santos Fernandes

Journal of Agricultural Science, 2024, vol. 10, issue 10, 122

Abstract: In order to study the effect of downgrade rate of water table in the growth of sugar cane (Saccharum spp, cultivate 867515), an experiment in was carried under randomized block design with factorial arrangement (3 × 5 + 1) and 4 replications, applying the flood irrigation system in 3 stages of development (67, 210 and 300 days after planting - DAP) with 5 downgrade rate of water table (3, 6, 9, 12 and 15 days) and the control (no flood). The plants were grown in soil columns of 240 liters, filled with Yellow Oxisol by 300 days after planting and monitored as the height of the stem, number of leaves, stem diameter, number of internodes, number of tillers, leaf area, growth increment, rate relative growth, leaf area index, leaf area ratio and specific leaf area. The stages of development that the flooding was applied at a rate of lowering of the groundwater level variables influenced the growth of cane sugar. The plants drenched at 210 days after planting for 12 days had higher growth of stem, leaf number, leaf area and leaf area index. Plants exposed to water logging after 67 and 210 days after planting obtain better physiological indices that the witness and those who received the 305 DAP waterlogging. It is recommended that the spacing between drains is estimated to be able to lower the water table, after a reloading project to 30 cm deep in 15 days.

Date: 2024
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