Maize fertigation with treated sanitary wastewater: growth and yield
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ABSTRACT We evaluated the growth and yield of maize field, fertigated with different wastewater rates coming from Janaúba sewage treatment plant (Minas Gerais State, Brazil). The split-plot on a randomized complete block design was used with five levels: mineral fertilizer + clean water, treated wastewater like to 50%, 100%, 150% and 200% fertilization with 60 kg.ha-1 K2O topdressing. As subplots, maize plants were evaluated at 24, 38, 51 and 74 days after emergence. Potassium supply 142% above the recommended level decrease the transversal canopy diameter. Maize grain yield is not affected by wastewater fertigation.
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SciELO journals创建时间：
2018-09-26
