Effects of Irrigation with Domestic Wastewater on Productivity of Green Chili and Soil Status

被引：12

作者：

Thapliyal, Alka ^{[1
]}

Vasudevan, Padma ^{[2
]}

Dastidar, M. G. ^{[1
]}

Tandon, Mamta ^{[2
]}

Mishra, Seema ^{[3
]}

机构：

[1] Indian Inst Technol, Ctr Energy Studies, New Delhi 110016, India

[2] Indian Inst Technol, Ctr Rural Dev & Technol, New Delhi 110016, India

[3] Indian Inst Environm Management, SIES, Navi Mumbai, India

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2013年 / 44卷 / 15期

基金：

英国工程与自然科学研究理事会;

关键词：

Domestic wastewater; fertigation; irrigation; plant growth; HEAVY-METALS; CONSTRUCTED WETLANDS; PLANT; ACCUMULATION; EFFLUENT; REUSE; L; BIOACCUMULATION; FERTIGATION; DISTILLERY;

D O I：

10.1080/00103624.2013.803565

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Experiments were designed to determine the effect of untreated wastewater (T1), phytoremediated wastewater (T2), and rainwater (T3) irrigation on Capsicum annuum and soil. Morphological parameters of plants and accumulation of metal and nutrients in crop and soil were studied. The biomass of C. annuum was greatest under T1 followed by T2 and T3. Root/shoot ratio decreased in the order T3 > T2 > T1 (P 0.05), indicating lengthening of roots under nutrient stress. There was a significant increase in the nutrient [nitrate (NO3 (-)), phosphate (PO4 (3-)), potassium (K+), magnesium (Mg++), and calcium (Ca++)] content of the soil after harvest under T1 and T2. The metal accumulated by the plant in g g(-1) of dry weight was in the order zinc (Zn) > copper (Cu) > chromium (Cr). The percentage accumulations of metals by the plant out of total applied were only 1-5% for Cr and Cu and 14% for Zn, and the remaining was left in the soil. There was no metal accumulation in fruits.

引用

页码：2327 / 2343

页数：17

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