Impact of Treated Industrial Effluent on Physical and Chemical Properties of Three Subtropical Soils and Millet Nutrition

被引：4

作者：

Carlos, Filipe Selau ^{[1
]}

Marafon, Andrei ^{[1
]}

Andreazza, Robson ^{[2
]}

Morris, Lawrence A. ^{[3
]}

Tedesco, Marino Jose ^{[1
]}

Boechat, Cacio Luiz ^{[4
]}

de Oliveira Camargo, Flavio Anastacio ^{[1
]}

机构：

[1] Univ Fed Rio Grande do Sul, Soil Dept, Porto Alegre, RS, Brazil

[2] Univ Fed Pelotas, Soil Dept, Pelotas, RS, Brazil

[3] Univ Georgia, Warnell Sch Forestry & Nat Resources, Athens, GA 30602 USA

[4] Univ Fed Piaui, Soil Dept, Campus Prof Cinobeli Elvas, Bom Jesus, PI, Brazil

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2017年 / 48卷 / 21期

关键词：

Nutrients; Pennisetum glaucum; salinity; water source; WASTE-WATER IRRIGATION; SEWAGE EFFLUENT; PLANT SYSTEM; BRAZIL; SALINITY; GROWTH; YIELD;

D O I：

10.1080/00103624.2017.1416128

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The use of treated industrial effluents to irrigate plants is an alternative, because of nutrients that can increase yield of the agricultural crops. This study was conducted to determine irrigation with treated effluent and gypsum application, which changes the chemical and physical characteristics of soils and the growth and nutrition of millet (Pennisetum glaucum). Thus, an experiment was conducted on PVC columns with three soil classes, Typic Hapludox, Typic Hapludult, and Arenic Hapludult. Nutrient and Na+ concentrations in the millet biomass reflected concentrations of elements in the effluent and soil. In the control, low N levels were found in the biomass, while higher leaf N concentrations were observed, due to irrigation with treated effluent. In the short term, irrigation with treated industrial effluent by controlled application could be an alternative and a complementary source of nutrients for plants, reducing the volume of nutrients and organic materials discharged into water bodies.

引用

页码：2514 / 2525

页数：12

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