Cotton production using secondary domestic sewage - doi: 10.4025/actascitechnol.v35i2.13157
DOI:
https://doi.org/10.4025/actascitechnol.v35i2.13157Keywords:
environment, sustainability, reuseAbstract
This study was performed at the campus of the Semiarid Rural Federal University in Mossoró, State of Rio Grande do Norte, and aimed to evaluate the behavior of cotton (Gossypium hirsutum L. race latifolium Hatch), cultivar 8h as for growth and yield when fertirrigated with secondary domestic sewage. The experiment consisted of a randomized block split plot design, with dilutions of domestic effluents tested at plot level [25% - T1, 50% - T2, 75% - T3, 100% of secondary domestic sewage - T4 and 100% water supply with soil mineral fertilization - T5] on soils of different textures. The plant height was significantly greater at only at 15 and 30 DAP, reaching a maximum value of 67.30 cm with 100% wastewater on the 50th DAP. The cotton production was not influenced by the application of different levels of secondary domestic sewage; but a linear increase of productivity was observed in the sandy soil, reaching 1,363.45 kg ha-1 with the application of 100% of domestic sewage. On the Cambisol, the cotton plant presented the best results in terms of morphology.
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