Articles
IRRIGATION OF CORN WITH MUNICIPAL WASTEWATER
Article number
449_96
Pages
699 – 706
Language
Abstract
The suitability of treated wastewater for irrigation of corn and its influence on soil properties was studied in a field experiment.
The wastewater used came from the treatment plant of the city of Larissa, Central Greece.
The results showed that treated wastewater is suitable for irrigation of corn.
Grain yield of plots irrigated with wastewater was significantly increased in relation to the control plots.
Leaf nitrogen and phosphorus were also significantly increased by irrigation with wastewater while potassium was not affected.
Leaf nitrogen was strongly correlated with grain yield of corn.
From soil measurements it was concluded that nitrate nitrogen was not leached below the root zone.
Ammonium nitrogen showed irregular distribution within the soil profile while soil P and soil K were not significantly affected.
The wastewater used came from the treatment plant of the city of Larissa, Central Greece.
The results showed that treated wastewater is suitable for irrigation of corn.
Grain yield of plots irrigated with wastewater was significantly increased in relation to the control plots.
Leaf nitrogen and phosphorus were also significantly increased by irrigation with wastewater while potassium was not affected.
Leaf nitrogen was strongly correlated with grain yield of corn.
From soil measurements it was concluded that nitrate nitrogen was not leached below the root zone.
Ammonium nitrogen showed irregular distribution within the soil profile while soil P and soil K were not significantly affected.
Authors
C.D. Tsadilas
Keywords
Fertilization, irrigation, municipal wastewater, nitrate leaching, wastewater recycling
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