№ files_lp_4_process_3_126836
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This research article presents an analysis of soil nutrient distribution, specifically nitrogen, phosphorus, and potassium, under different tree species in agroforestry systems in Haryana, highlighting the influence of environmental conditions and tree species on soil fertility.
Year:
2026
Region / City:
Haryana (Jind, Rohtak, Jhajjar)
Topic:
Soil fertility, Tree species, Agroforestry
Document Type:
Original Research Article
Organization / Institution:
Not mentioned
Author:
Not mentioned
Target Audience:
Researchers, Agroforestry practitioners
Period of validity:
Not specified
Approval Date:
Not mentioned
Date of Changes:
Not mentioned
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Year:
2026
Region / City:
Australia
Topic:
Nutritional Formulation, Food for Special Medical Purposes
Document Type:
Submission to PBAC
Organization / Institution:
PBAC, Nutricia Australia Pty Ltd
Author:
Nutricia Australia Pty Ltd
Target Audience:
Healthcare professionals, regulatory bodies, pediatricians
Validity Period:
Ongoing
Approval Date:
1 August 2002
Date of Change:
2011, 2026
Requested Change:
Formulation modification to comply with EU regulations
Status:
Approved for continued listing
Year:
Not specified
Region / City:
Not specified
Topic:
Hazardous Chemicals, Safety Procedures
Document Type:
Standard Operating Procedure
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Employees working with Potassium Permanganate
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Amendments:
Not specified
Year:
2017–2018
Region / City:
Aswan, Egypt
Crop:
Mango cvs Sadek and Zebda
Treatment:
Potassium silicate foliar spray
Concentrations:
0.1–0.4%
Application frequency:
One, two, or three times
Research institution:
Tropical Fruits Research Department, Horticultural Research Institute, ARC, Giza, Egypt
Authors:
Omar A. Khalil, Al-Hussein S. A. Hamad, Mona M. M. Oraby
Soil type:
Newly reclaimed sandy-loam
Experimental design:
Thirty 9-year-old trees per cultivar, uniform vigor, planted 5x6 meters apart
Irrigation:
Surface irrigation using Nile water
Measured parameters:
Growth, photosynthetic pigments, nutrient status, yield, fruit quality
Key findings:
Twice spraying at 0.2% K-silicate optimized yield and fruit quality; Sadek outperformed Zebda under Upper Egypt conditions
Source:
New York Science Journal, 2019; 12(1):1-11, doi:10.7537/marsnys120119.01
Year:
2019
Publication:
Education in Chemistry
Publisher:
Royal Society of Chemistry
Subject:
Thermal decomposition of potassium hydrogencarbonate
Topic:
Determination of decomposition products through experimental analysis
Type of document:
Educational laboratory investigation brief
Educational level:
Secondary chemistry education
Apparatus provided:
Bunsen burner, tripod, pipe clay triangle, crucible and lid, tongs, heat proof mat, balance
Required components:
Aim, method, risk assessment, accuracy and reliability considerations, results table, mole calculations, graphical analysis, error discussion
Chemical compounds involved:
KHCO3, K2O, KOH, K2CO3, CO2, H2O
Period of publication:
January 2019
Year:
2021
Region / City:
South Africa
Topic:
Pesticides, Forestry, Environmental Impact
Document Type:
Environmental Assessment
Organization / Institution:
Forestry South Africa (FSA), The Southern African Institute of Forestry (SAIF)
Author:
Not specified
Target Audience:
Stakeholders involved in forestry management, pesticide application professionals, environmental consultants
Effective Period:
Ongoing
Approval Date:
Not specified
Modification Date:
Not specified
Exposure Variables:
Water soluble liquid, Mixture of active ingredients, Dose and application method dependent on target species
Mitigation Strategies:
Good silviculture practices, buffer zones, correct application methods, adherence to pesticide label, stakeholder consultation
Year:
2016
Region:
Minia Governorate, Egypt
Topic:
Agricultural water management, potato cultivation
Document type:
Research article
Institution:
Faculty of Agriculture, Minia University; Water Management Research Institute, National Water Research Center
Authors:
Y.Y. Abdel-Ati, H.A. Abdelreheem, Haithan Elham Mohamed Zaki, Ahmed Yousry Tammam
Crop:
Potato (Solanum tuberosum)
Irrigation methods:
Surface irrigation, gated pipes
Fertilization:
Potassium sulfate, potassium nitrate, salicylic acid
Experimental design:
Split plot, four replications
Variables measured:
Water use efficiency, yield, economic evaluation, irrigation efficiency
Publication:
Nat Sci 2016;14(11):138-149
DOI:
10.7537/marsnsj141116.20
Keywords:
Surface irrigation, gated pipe development, water relationship, economic evaluation
Field location:
Mallawy, Water Requirements Research Station
Experimental period:
Full growth season
Year:
2025
Region / City:
Haryana, India (Jind, Rohtak, Jhajjar)
Subject:
Soil fertility and nutrient dynamics in agroforestry
Document Type:
Research article
Institution:
Department of Soil Science, Local Agricultural Research Centers
Author:
Thies & Grossman, Sharma et al., Negi et al., Fahad et al., Khare et al., Sun et al., Singh & Prajjwal
Target Audience:
Soil scientists, agroforestry researchers, agronomists
Study Period:
During sowing and harvest stages of crops, 2025
Sampling Depths:
0–50 cm, 51–80 cm, 81–110 cm, 111–140 cm
Tree Species:
Syzygium cumini, Psidium guajava, Phyllanthus emblica, Terminalia arjuna, Eucalyptus tereticornis, Vachellia nilotica, Melia azedarach, Tamarindus indica, Cycas revoluta, Pinus roxburghii
Measured Nutrients:
Nitrogen (N), Phosphorus (P), Potassium (K)
Methodology:
Micro-Kjeldahl method for N, spectrophotometric determination for P, chloroplatinic acid gravimetric method for K
Sampling Distances:
0 m, 2 m, 4 m, 6 m from tree trunk
Analysis:
Analysis of variance (ANOVA) for nutrient distribution across species, depth, and distance
Year:
2011
Region / City:
Karachi, Pakistan
Topic:
Fertilizer Standards
Document Type:
Standard Specification
Organization / Institution:
Pakistan Standards & Quality Control Authority
Author:
Standards Development Centre; PSQCA
Target Audience:
Fertilizer manufacturers, regulatory bodies
Adoption Date:
26 October 2011
Amendment Date:
None specified
Relevant Documents:
https://drive.google.com/file/d/1AylmLZnWAG20Yor0dM1ws72uFKTQp1yF/view?usp=sharing
Objective:
Revision and harmonization of the Pakistan Standard for Potassium Sulphate with international standards
Description:
This document is a revised standard specification for Potassium Sulphate as fertilizer, providing detailed quality, testing, and environmental requirements.
Year:
2023
Region / City:
Billerica, Massachusetts, USA
Topic:
Phosphorus removal, wastewater treatment
Document Type:
Press Release
Organization / Institution:
Billerica Wastewater Treatment Plant, Woodard & Curran
Author:
Jeff Kalmes
Target Audience:
Environmental professionals, wastewater treatment engineers
Date of Approval:
October 12-13, 2023
Date of Modifications:
N/A
Description:
This press release discusses the application of CoMag technology to meet stringent phosphorus removal requirements at a Massachusetts wastewater treatment plant.
Document type:
Supporting information
Related article title:
Organic fertilizers shape the bacterial communities harboring pqqC and phoD genes by altering organic acids, leading to improved phosphorus utilization
Authors:
Liying Zhi; Bangxiao Zheng; Yunjie Xu; Jiayang Xu; Josep Peñuelas; Jordi Sardans; Yixiao Chang; Shuquan Jin; Hong Ying; Kai Ding
Affiliations:
Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China; College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China; School of Environmental Science and Engineering, Xiamen University of Technology, Xiamen, China; Bureau of Agriculture and Rural Affairs, Wencheng, China; University of Chinese Academy of Sciences, Beijing, China; CSIC, Global Ecology Unit, CREAF-CSIC-UAB, Bellaterra, Spain; CREAF, Cerdanyola del Vallès, Spain; Institute of Ecological Environment, Ningbo Academy of Agricultural Sciences, Ningbo, China; Yangtze Delta Region Healthy Agricultural Institute (Zhejiang) Co., Ltd, Tongxiang, China
Number of pages:
12
Number of figures:
9
Number of tables:
5
Subject area:
Soil microbiology
Keywords:
organic fertilizer; inorganic fertilizer; pqqC gene; phoD gene; bacterial community; soil physicochemical properties; organic acids; phosphorus activation rate
Experimental design:
Fertilizer treatment groups including chemical and organic amendments
Analytical methods:
PCOA based on Bray-Curtis dissimilarity; Spearman correlation analysis; quantitative PCR; soil physicochemical and enzyme assays
Gene targets:
16S rRNA; pqqC; phoD
Measured parameters:
Soil pH; SOC; TN; TP; TK; AN; AP; AK; organic acid content; enzyme activities (ACP, ALP)
Year:
2020
Region / City:
Qingdao, China
Topic:
Nitrogen and phosphorus removal, wastewater treatment
Document Type:
Research article
Author:
Barbosa, R.G., Sleutels, T., Verstraete, W., Boon, N.
Target Audience:
Environmental scientists, wastewater treatment professionals
Period of Action:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
Not specified
Country:
Netherlands
City:
Wageningen
Field:
Agricultural Science; Environmental Science; Dairy Farming
Document Type:
Supplementary Information to a Scientific Study
Research Topic:
Feed and Nutrient Use Efficiencies in Grassland-Based Dairy Farms
Model / Methodology:
KringloopWijzer Model
Authors:
Jouke Oenema; Oene Oenema
Affiliation:
Wageningen Plant Research, Agrosystems Research; Wageningen Environmental Research
Institution:
Wageningen University & Research
Correspondence Email:
[email protected]
Data Sources:
Farm accounts; feed analysis reports; milk processor monitoring; accredited laboratory analyses
Analyzed Elements:
Nitrogen (N) and Phosphorus (P) flows and balances
Farm Components Analyzed:
Soil; Dairy Herd
Related Emission Models:
National Emission Model for Ammonia (NEMA); IPCC Tier 3 methodology
Environmental Indicators:
Nutrient balances; ammonia emissions; methane emissions; greenhouse gas emissions in CO2 equivalents
Referenced Standards:
Product Environmental Footprint Category Rules (PEFCR)
Geographic Scope of Application:
Commercial dairy farms in the Netherlands
Regulatory Context:
Mandatory use of the KringloopWijzer model for most Dutch dairy farms since 2016
Year:
2023
Region / City:
Valencia, Spain; Kgs. Lyngby, Denmark
Subject:
Phosphorus recovery, hydrothermal carbonization, municipal solid waste
Document type:
Research article
Institution:
Ingelia, S.L.; Technical University of Denmark; Instituto de Tecnología Química (UPV-CSIC)
Authors:
Borja Oliver-Tomas, Martin Hitzl, Mikołaj Owsianiak, Michael Renz
Target audience:
Environmental scientists, waste management professionals
Methods:
Hydrothermal carbonization, mineral acid extraction, life cycle assessment
Key findings:
Nitric acid most efficient for phosphorus extraction; separate use of hydrochar and phosphorus increases environmental impact
Applications:
Fertilizer production, solid fuel utilization
Keywords:
Advanced hydrochar, low-ash solid fuel, phosphorus extraction, phosphorus fertilizer
Year:
2025
Region / City:
Haryana, India (Jind, Rohtak, Jhajjar)
Subject:
Soil fertility and nutrient dynamics in agroforestry
Document Type:
Research article
Institution:
Department of Soil Science, Local Agricultural Research Centers
Author:
Thies & Grossman, Sharma et al., Negi et al., Fahad et al., Khare et al., Sun et al., Singh & Prajjwal
Target Audience:
Soil scientists, agroforestry researchers, agronomists
Study Period:
During sowing and harvest stages of crops, 2025
Sampling Depths:
0–50 cm, 51–80 cm, 81–110 cm, 111–140 cm
Tree Species:
Syzygium cumini, Psidium guajava, Phyllanthus emblica, Terminalia arjuna, Eucalyptus tereticornis, Vachellia nilotica, Melia azedarach, Tamarindus indica, Cycas revoluta, Pinus roxburghii
Measured Nutrients:
Nitrogen (N), Phosphorus (P), Potassium (K)
Methodology:
Micro-Kjeldahl method for N, spectrophotometric determination for P, chloroplatinic acid gravimetric method for K
Sampling Distances:
0 m, 2 m, 4 m, 6 m from tree trunk
Analysis:
Analysis of variance (ANOVA) for nutrient distribution across species, depth, and distance
Year:
2023
Region / City:
Changsha, China
Topic:
Soil Science, Phosphorus Fertilization, Soil Organic Carbon
Document Type:
Research Supplementary Material
Institution:
Hunan Agricultural University, National Engineering Center for Efficient Utilization of Soil and Fertilizer Resources, Hunan Biological Electromechanical Vocational Technical College
Author(s):
Yao Liu, Junru Li, Ning Su, Xiangmin Rong, Yuping Zhang, Xianjun Zeng, Jianwei Peng, Gongwen Luo
Target Audience:
Researchers, Soil Scientists, Agricultural Specialists
Period of Validity:
2023
Date of Approval:
November 2023
Date of Changes:
Not specified
Year:
2026
Region / city:
N/A
Topic:
Microbial functional genes in N2O emission areas
Document type:
Research Paper
Organization / Institution:
N/A
Author:
N/A
Target audience:
Researchers, Environmental Scientists
Effective period:
N/A
Approval date:
N/A
Modification date:
N/A
Year:
2026
Region / City:
Falmouth, Massachusetts, USA
Subject:
Environmental Regulation, Water Quality, Nitrogen Pollution
Document Type:
Municipal Health Regulation
Authority / Agency:
Falmouth Board of Health, Massachusetts Department of Environmental Protection
Target Audience:
Property owners, builders, developers
Legal Reference:
M.G.L. c. 111 § 31; 310 CMR 15.003(3); 314 CMR 21.00; Massachusetts Clean Waters Act M.G.L. c. 21 §§ 26-53; 314 CMR 4.00
Scope:
Nitrogen Regulated Areas including public/private water supply protection and nitrogen-impaired watersheds
Effective Measures:
Requirement for Best Available Nitrogen Reducing Technology in new construction
Exemptions:
Future sewer service areas under approved town funding
Year:
2022
Region / City:
North Carolina
Topic:
Analytical Methodology
Document Type:
Standard Operating Procedure
Organization / Institution:
Hach Company
Author:
N/A
Target Audience:
Laboratory Technicians
Period of Effectiveness:
N/A
Approval Date:
N/A
Modification Date:
N/A
Context:
A Standard Operating Procedure for performing Total Kjeldahl Nitrogen (TKN) analysis using the Hach TNTplus 880 Method 10242.
Year:
2026
Region / City:
Falmouth
Topic:
Environmental Regulation, Wastewater Management
Document Type:
Regulation
Agency:
Town of Falmouth, Massachusetts Department of Environmental Protection
Author:
Town of Falmouth
Target Audience:
Property owners, builders, and environmental professionals
Effective Period:
Ongoing
Approval Date:
Not specified
Amendment Date:
Not specified
Jurisdiction:
Massachusetts, United States
Issuing authority:
Massachusetts Department of Environmental Protection
Program name:
Natural Resource Nitrogen Sensitive Area Grant Program
Fiscal year:
FY26
Funding purpose:
Planning activities related to Watershed Management Plans and watershed permit applications addressing nitrogen pollution
Eligible applicants:
Local Government Units in designated Natural Resource Nitrogen Sensitive Areas
Geographic scope:
Cape Cod watersheds designated as NRNSA
Funding source:
Capital Fund
Total funding available:
Up to $830,000
Grant amount range:
$20,000–$350,000 per award
Eligible activities:
Watershed planning, nitrogen load assessment, modeling, and related analyses
Ineligible activities:
Construction, implementation, operation, or maintenance projects
Application period:
State Fiscal Year 2026
Eligible work period:
July 1, 2025 – June 30, 2026
Regulatory references:
314 CMR 21.00; 310 CMR 15.000; Clean Water Act §208