Abstract：
:China's vegetable production has experienced a rapid growth in recent years. Total production amounted to 522.7 million Mg (1 Mg = 10 g) in 2009, which was more than nine times that in 1980 and represented >50% of the world production. Meanwhile, excessive use of animal manures and chemical fertilizers in vegetable fields has brought various production and environmental challenges, including excessive accumulation of nutrients in soils and accelerated water pollution problems. In this study, we have evaluated the current status of phosphorus (P) in China's intensive vegetable production systems based on data summarized from nearly 100 publications plus results from our recent experiments. Gross overfertilization occurred in greenhouse (571 kg P ha) and open-field (117 kg P ha) vegetable systems compared with P removal in harvested crops (44 and 25 kg P ha) per season. Excess P input led to soil enrichment of labile P, measured as Olsen-P, averaging 179 (greenhouses) and 100 mg P kg (open fields) in the 0- to 20-cm soil depth, and in some cases led to P leaching, as evidenced by increases in Olsen-P and CaCl-P at the 40- to 60-cm soil depth. The vast majority of vegetable soils had Olsen-P exceeding the critical level (46.0-58.0 mg P kg) for optimum vegetable yield. Innovative policies and strategies are urgently needed to implement science-based nutrient management practices to attain sustainable vegetable production while protecting natural and environmental resources.
journal_name
J Environ Qualjournal_title
Journal of environmental qualityauthors
Yan Z,Liu P,Li Y,Ma L,Alva A,Dou Z,Chen Q,Zhang Fdoi
10.2134/jeq2012.0463subject
Has Abstractpub_date
2013-07-01 00:00:00pages
982-9issue
4eissn
0047-2425issn
1537-2537journal_volume
42pub_type
杂志文章abstract：:This study used manual full cross-sectional flow discrete sampling and suspended sediment concentration (SSC) methods to gravimetrically characterize noncolloidal hetero-disperse particulate matter (PM). This PM was examined as suspended, settleable, and sediment fractions to assess the distinct transport behavior of ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2007.0495
更新日期：2008-08-08 00:00:00
abstract：:Drift from pesticide spray application can result in contamination of nontarget environments such as surface waters. Azinphos-methyl (AZI) and endosulfan (END) deposition in containers of water was studied in fruit orchards in the Western Cape, South Africa. Additionally, attention was given to the contamination in fa...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2001.303814x
更新日期：2001-05-01 00:00:00
abstract：:The pH value of poultry litter is affected by nitrification, mineralization, and the addition of acidifying chemicals, all acting on the poultry litter pH buffering capacity (pHBC). Increased understanding of poultry litter pHBC will aid in modeling NH volatilization from surface-applied poultry litter as well as esti...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2014.11.0463
更新日期：2015-07-01 00:00:00
abstract：:Water flow and P dynamics in a low-relief landscape manipulated by extensive canal and ditch drainage systems were modeled utilizing an ontology-based simulation model. In the model, soil water flux and processes between three soil inorganic P pools (labile, active, and stable) and organic P are represented as databas...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2009.0509
更新日期：2010-09-01 00:00:00
abstract：:Restoration of highly degraded urban coastal waters often requires large-scale, complex projects, but in the interim, smaller-scale efforts can provide immediate improvements to water quality conditions for visitor use. We examined short-term efforts to improve recreational water quality near the Grand Calumet River (...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2017.11.0461
更新日期：2018-09-01 00:00:00
abstract：:The effect of liquid hog manure (LHM) and commercial fertilizer on NO-N leaching was measured for 2 yr in a long-term manure experiment on a loamy sand soil at Carberry, MB. The field experiment, sown to barley ( L.) and wheat ( L.), comprised six treatments including two rates of LHM (28, 084 and 56,168 L ha [2500 an...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2017.08.0333
更新日期：2018-05-01 00:00:00
abstract：:Micro-X-ray fluorescence (micro-XRF) microprobe analysis and micro-X-ray absorption near-edge structure (micro-XANES) spectroscopy were employed to identify Fe and Mn phases and their association with selected metals in two biosolids (limed composted [LC] and Nu-Earth) before and after treatment to remove organic carb...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2004.0259
更新日期：2006-01-05 00:00:00
abstract：:Because organic sorption in soil may never reach equilibrium, a thin-disc flow nonequilibrium method may be helpful in understanding herbicide-soil interactions. This research was conducted to (i) determine the influence of incubation time on imazaquin [2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2004.5810
更新日期：2004-03-01 00:00:00
abstract：:We investigated the seasonal patterns of denitrification rates and potentials in soil profiles along the topohydrosequence formed at the upland-wetland interface in three riparian wetlands with different vegetation cover (i.e., forest, understory vegetation, and grass). Denitrification was measured using the acetylene...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2002.1025
更新日期：2002-05-01 00:00:00
abstract：:Polyacrylamide (PAM) is applied to 400000 irrigated hectares annually in the USA to control irrigation-induced erosion, yet the fate of dissolved PAM applied in irrigation water is not well documented. We determined the fate of PAM added to furrow streams under two treatments: Initial-10, 10 mg L(-1) PAM product appli...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：
更新日期：2002-03-01 00:00:00
abstract：:Most states in the USA have adopted P Indexing to guide P-based management of agricultural fields by identifying the relative risk of P loss at farm and watershed scales. To a large extent, this risk is based on hydrologic principles that frequently occurring storms can initiate surface runoff from fields. Once initia...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2007.0381
更新日期：2008-06-23 00:00:00
abstract：:Atmospheric deposition samples were collected over 15 mo at several locations near an operating smelter and an abandoned Pb smelter to investigate the contribution of Pb smelting to depositional fluxes and potential local air quality degradation. Samples were analyzed for As, Cd, Cu, Pb, and Zn and subjected to scanni...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.1002/jeq2.20151
更新日期：2020-11-01 00:00:00
abstract：:The former US Steel Corporation's South Works site in Chicago, IL, is a 230-ha bare brownfield consisting of steel mill slag fill materials that will need to be reclaimed to support and sustain vegetation. We conducted a case study to evaluate the suitability of biosolids and dredged sediments for capping the steel mi...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2015.09.0456
更新日期：2016-01-01 00:00:00
abstract：:Repeated manure application can lead to excessive soil test P (STP) levels and increased P concentration in runoff, but also to improved water infiltration and reduced runoff. Research was conducted to evaluate soil P tests in prediction of P concentration in runoff and to determine the residual effects of composted m...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2005.0084
更新日期：2006-03-01 00:00:00
abstract：:This study compares two methods of dairy manure application-surface broadcast and shallow disk injection-on the fate and transport of natural estrogens in surface runoff from 12 field plots in central Pennsylvania. Ten natural surface runoff events were sampled over a 9-mo period after fall manure application. Results...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2016.05.0173
更新日期：2016-11-01 00:00:00
abstract：:Antibiotic resistance analysis (ARA) was used to determine if enterococci of human origin were present in a stream (Spout Run) that passes through a rural nonsewered community (Millwood, VA). Millwood consists of 82 homes, all served by individual septic systems, and Spout Run drains a 5,800-ha karst topography waters...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2002.1300
更新日期：2002-07-01 00:00:00
abstract：:Three promising phytoextracting perennial weed species [ L. (ox-eye daisy), L. (curly dock), and L. (Canada goldenrod)] were planted in monoculture plots at two polychlorinated biphenyl (PCB)-contaminated sites in southern Ontario and followed over 2 yr to investigate the effects of plant age, contaminant characteri...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2011.0144
更新日期：2011-11-01 00:00:00
abstract：:Field-scale relationships between soil test phosphorus (STP) and flow-weighted mean concentrations (FWMCs) of dissolved reactive phosphorus (DRP) and total phosphorus (TP) in runoff are essential for modeling phosphorus losses, but are lacking. The objectives of this study were (i) to determine the relationships betwe...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2006.0502
更新日期：2007-07-17 00:00:00
abstract：:The management of artificially drained organic soils is a very important issue, since the accelerated mineralization and sometimes peat fires alter physical and chemical properties of soils and the availability of plant nutrients. This study was performed to determine relatively short- and long-term effects of peat fi...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2005.0170
更新日期：2006-04-03 00:00:00
abstract：:Fall application of anhydrous ammonia in Manitoba is common but its impact on nitrous oxide (NO) emissions is not well known. A 2-yr study compared application before freeze-up in late fall to spring pre-plant application of anhydrous ammonia on nitrous oxide (NO) emissions from a clay soil in the Red River Valley, Ma...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2015.03.0159
更新日期：2016-07-01 00:00:00
abstract：:The use of alternative N sources relative to conventional ones could mitigate soil-surface NO emissions. Our objective was to evaluate the effect of anhydrous ammonia (AA), urea, and polymer-coated urea (ESN) on NO emissions for continuous corn ( L.) production. Corn received 110 kg N ha in 2009 and 180 kg N ha in 201...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2013.12.0496
更新日期：2015-03-01 00:00:00
abstract：:Microbial mineralization of urea and uric acid in poultry litter results in the production of ammonia, which can lead to decreased poultry performance, malodorous emissions, and loss of poultry litter value as a fertilizer. Despite the fact that this is a microbial process, little is known about how the microbial popu...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2008.0024
更新日期：2008-10-23 00:00:00
abstract：:A field lysimeter study with bare ground and five different ground covers was established to evaluate the effect of forage grasses on the fate and transport of two herbicides in leachate. The herbicides were atrazine (ATR; 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) and isoxaflutole [IXF; 5-cyclopropyl-4-(2...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2003.1992
更新日期：2003-11-01 00:00:00
abstract：:Elevated carbon dioxide (CO2) concentrations in the atmosphere can stimulate plant growth and yield, whereas ground-level ozone (O3) concentrations cause the opposite effect in many areas of the world. Recent experiments show that elevated CO2 can protect some plants from O3 stress, but this has not been tested for mo...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2003.1603
更新日期：2003-09-01 00:00:00
abstract：:Control methods are needed to abate NH losses from swine anaerobic lagoons to reduce the contribution of confined swine operations to air pollution. In a 15-mo meso-scale column study, we evaluated the effect of manure pretreatment on water quality, reduction of N losses, and sludge accumulation in swine lagoons using...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2013.08.0330
更新日期：2014-07-01 00:00:00
abstract：:Quantitative polymerase chain reaction (qPCR) was used by the USEPA to establish new recreational water quality criteria in 2012 using the indicator bacteria enterococci. The application of this method has been limited, but resource managers are interested in more timely monitoring results. In this study, we evaluated...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2017.11.0462
更新日期：2018-09-01 00:00:00
abstract：:The objectives of this research were to evaluate nitrate N (NO³-N) leaching and turf response to nitrogen rate (NR) and irrigation regime (IR) in 'Floratam' St. Augustinegrass ( [Walt.] Kuntze.) and 'Empire' zoysiagrass ( Steud). The research was conducted in Citra, FL, from 2005 through 2007. Nitrogen (N) was applied...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2011.0183
更新日期：2012-05-01 00:00:00
abstract：:Nitrogen (N) availability affects plant biomass yield and, hence, phytoextraction of contaminants during phytoremediation of end-of-life municipal lagoons. End-of-life lagoons are characterized by fluctuating moisture conditions, but the effects on biosolid N dynamics have not been adequately characterized. This 130-d...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2015.02.0084
更新日期：2015-11-01 00:00:00
abstract：:Treatment of liquid swine manure (LSM) offers opportunities to improve manure nutrient management. However, N2O fluxes and cumulative emissions resulting from application of treated LSM are not well documented. Nitrous oxide emissions were monitored following band-incorporation of 100 kg N ha(-1) of either mineral fer...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2009.0482
更新日期：2010-09-01 00:00:00
abstract：:Metal-thiol complexes can enhance metal uptake by plant roots and microorganisms, therefore it is important to determine whether thiols effectively solubilize these metals from the soil matrix. Extractions were conducted by combining 1 g contaminated soil and 10 mL of 10 mmol L(-1) thiol solution and shaking for 1 h. ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2008.0524
更新日期：2009-10-29 00:00:00
