搜索结果: 1-15 共查到“N leaching”相关记录42条 . 查询时间(0.062 秒)
Effect of mycorrhizal inoculation of leek Allium porrum L. on mineral nitrogen leaching
arbuscular mycorrhizal fungi nitrate leaching soil root colonization
2016/12/8
This study evaluated the influence of the arbuscular mycorrhizal fungi (AMF) inoculation of leek (Allium porrum L.) on the leaching of ammonia and nitrate nitrogen from the experimental pots filled wi...
Impact of fertilization strategies on the growth of lavender and nitrates leaching to environment
container-grown plants Lavandula angustifolia nursery production
2016/6/3
Horticultural industry significantly affects the environment. In particular, large amounts of irrigation water and fertilizers required for intensive plant production can result in an increased nutrie...
Impact of Scots pine admixture in European beech stand on dissolved organic carbon and nitrogen leaching from organic and humic horizons of Dystric Arenosols in Northern Poland
European beech Scots pine leaching carbon cycling nitrogen cycling
2015/4/14
The effect of Scots pine admixture in European beech stand on the leaching of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), nitrate nitrogen (NO3-N) and ammonium nitrogen (NH4-N) f...
The Changes of Soil Mineral Nitrogen Observed on Farms between Autumn and Spring and Modelled with a Simple Leaching Equation
Soil Mineral Nitrogen Observed Farm
2015/3/1
The content of nitrate or mineral nitrogen (Nmin = N-NO3
–
+ N-NH4
+
) in soil in autumn is recognized as
the indicator of potential risk of N leaching during winter
Nitrogen Leaching from Saybrook Soil Amended with Biosolid and Polyacrylamide
Biosolid Polyacrylamide Ammonium Nitrate Nitrogen Leachate
2013/3/19
In this study, Nitrogen leaching following surface application of biosolid with and without polyacrylamide (PAM) coating was investigated using soil column experiments. Three treatments including bare...
Supplement to Diagnosis and Management of Salinity Problems in Irrigated Pecan Production: Salt Leaching
Diagnosis Management of Salinity Problems Pecan Production
2013/9/10
In the publication prepared in 2006 with the above title (TWRI. TR-287), we described ways to diagnose salt problems which affect irrigated production of pecans. We also discussed the concepts of min...
COMPARISON OF STANDARD PROCEDURES FOR ESTIMATION OF BIOCIDES LEACHING FROM IMPREGNATED WOOD
copper ingredients boron ingredients ethanolamine leaching montan wax Norway spruce wood
2009/11/27
Leaching of active ingredients from impregnated wood is one of the most frequently applied criteria for assessing the suitability of impregnated wood to be used in outdoor applications. For this purpo...
Influence of PVA emulsion on leaching of boron and copper from wood and efficacy on wood decay fungi
boron copper fixation Norway spruce PVA emulsion wood preservation
2009/11/27
Boron compounds are very effective fungicides, but they leach from wood in wet environments, unfortunately. In order to improve boron fixation, boric acid, borax and copper(II) sulphate were combined ...
LEACHING OF COPPER-ETHANOLAMINE BASED PRESERVATIVES FROM WOOD
wood preservation copper based preservatives amines ethanolamine fixation
2009/11/26
Copper-ethanolamine based preservatives are successfully replacing classical copper-chromium based preservative solutions. In this paper, the proposed
fixation mechanisms are described. Additiona...
Effect of Tetrachloroethylene on Sphalerite Leaching
sphalerite leaching sulfur layer tetrachloroethylene
2009/11/16
The effects of tetrachloroethylene (C2Cl4) on sphalerite leaching in FeCl3-HCl were investigated in view of simultaneous mass transfer and reaction, and the leaching models with and without organic so...
Leaching Gold Using Oxidation Products of Elemental Sulfur in Ca(OH)2 Solution Under Oxygen Pressure
gold leaching alkaline solution oxygen pressure
2009/11/16
A gold leaching process by using in situ oxidation products of added elemental sulfur in Ca(OH)2 solution was investigated. A gold concentrate containing 45 g/t Au was tested and 85%~87% of gold were ...
Leaching of Silver from Boorchi Ag-Pb Ore in Mongolia with
silver thiourea leaching ammonia carbonate solution
2009/11/16
A hydrometallurgical process to extract silver from the silver-lead ore in Boorchi, Mongolia by using thiourea leaching solution is studied in this work. Through the observation of optical and scannin...
Recovery of Copper from Leaching Solution of Copper Smelting Ash
recovery copper copper smelting ash N902
2009/11/13
An efficient and reliable approach based on solvent extraction to selectively recover copper from leaching solution of Jinchuan copper smelting ash has been developed in this work. And the extraction ...
Movement and leaching of residual nitrogen in soil has been studied in some
details in a lysimeter experiment. Profile measurements of soil water and of
nitrogen concentration in addition to measure...
Leaching of Phosphate in Structured Soil–a Two Step Process
Leaching of Phosphate Structured Soil Two Step Process
2009/10/23
This paper summarizes a series of experiments on P-leaching in structured
clayey soil, mostly conducted on intact soil columns with diameter 0.5 m, and
length 0.5,0.73 or 1.0 m. Breakthrough curves ...