scholarly journals Modelling and identification of water and nutrient balances in aquaponics

2021 ◽  
Author(s):  
Daniel Reyes Lastiri
Keyword(s):  
Nutrient Balances

Nutrient Losses and N & P Balances in Small Agricultural Watersheds in Estonia

2003 ◽  
Vol 34 (5) ◽  
pp. 531-542 ◽  
Author(s):  
Arvo lital ◽  
Enn Loigu ◽  
Nils Vagstad
Keyword(s):  
Water Quality Monitoring ◽  
Agricultural Watersheds ◽  
Agricultural Practice ◽  
Nutrient Losses ◽  
Nutrient Balances ◽  
Nitrogen And Phosphorus ◽  
Nutrient Runoff ◽  
Baltic Countries ◽  
Data Loggers ◽  
Runoff Regime

The paper deals with nutrient runoff monitoring results and calculated nutrient budgets on catchment level in small agricultural watersheds in Estonia. A special programme for monitoring of nutrient losses was initiated and a network of monitoring stations, equipped with data-loggers and suitable devices for continuous flow measurement and flow-proportional automatic water sampling were established in Estonia in the mid-1990s. The research methodology is harmonized with the Nordic countries as well as with the other Baltic countries. The results indicate that nutrients losses are relatively low (generally below 11 kg N/ha and 0.9 kg P/ha). It can be partly explained by drastic changes in the Estonian agricultural practice in the 1990s but also by differences in runoff regime. Nutrient balances were calculated for two catchments, based on the data collected from the farms, some special studies and water quality monitoring results in two watersheds in 1995 (1999) - 2001. The nutrient balances for the catchments turned positive after being negative both for nitrogen and phosphorus in the mid-1990s.

The use of nutrient audits to determine nutrient balances in Africa

Food Policy ◽  
2004 ◽  
Vol 29 (1) ◽  
pp. 61-98 ◽  
Author(s):  
William F Sheldrick ◽  
John Lingard
Keyword(s):  
Nutrient Balances

scholarly journals Periconceptional Maternal Diet Characterized by High Glycemic Loading Is Associated with Offspring Behavior in NEST

Nutrients ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 3180
Author(s):  
Candice L. Alick ◽  
Rachel L. Maguire ◽  
Susan K. Murphy ◽  
Bernard F. Fuemmeler ◽  
Cathrine Hoyo ◽  
...  
Keyword(s):  
Food Frequency Questionnaire ◽  
Dietary Pattern ◽  
Maternal Diet ◽  
Maladaptive Behaviors ◽  
Nutrient Balances ◽  
Food Frequency ◽  
Imprint Control Region ◽  
Social And Emotional ◽  
Inflammatory Status ◽  
False Discovery

Maternal periconceptional diets have known associations with proper offspring neurodevelopment. Mechanisms for such associations include improper energy/nutrient balances between mother and fetus, as well as altered offspring epigenetics during development due to maternal nutrient and inflammatory status. Using a comprehensive food frequency questionnaire and assessing offspring temperament with the Infant-Toddler Social and Emotional Assessment (n = 325, mean age = 13.9 months), we sought to test whether a maternal periconceptional diet characterized by high glycemic loading (MGL) would affect offspring temperament using adjusted ordinal regression. After limiting false discovery to 10%, offspring born to mothers in tertile 3 of glycemic loading (referent = tertile 1) were more likely to be in the next tertile of anxiety [OR (95% CI) = 4.51 (1.88–11.07)] and inhibition-related behaviors [OR (95% CI) = 3.42 (1.49–7.96)]. Male offspring were more likely to exhibit impulsive [OR (95% CI) = 5.55 (1.76–18.33)], anxiety [OR (95% CI) = 4.41 (1.33–15.30)], sleep dysregulation [OR (95% CI) = 4.14 (1.34–13.16)], empathy [6.68 (1.95–24.40)], and maladaptive behaviors [OR (95% CI) = 9.86 (2.81–37.18)], while females were more likely to exhibit increased anxiety-related behaviors [OR (95% CI) = 15.02 (3.14–84.27)]. These associations persisted when concurrently modeled with the maternal–Mediterranean dietary pattern. In a subset (n = 142), we also found MGL associated with increased mean methylation of the imprint control region of SGCE/PEG10. In conclusion, these findings highlight the importance of maternal dietary patterns on offspring neurodevelopment, offering avenues for prevention options for mothers.

scholarly journals Farmland nutrient cycle and nutrient balances in various cropping systems for subtropical regions

Tropics ◽  
2007 ◽  
Vol 16 (2) ◽  
pp. 115-121 ◽  
Author(s):  
Hongwei TAN ◽  
Liuqiang ZHOU ◽  
Rulin XIE
Keyword(s):  
Cropping Systems ◽  
Nutrient Cycle ◽  
Nutrient Balances

Managementul nutrientilor în regiunea Rautului inferior

2019 ◽  
Author(s):  
Dumitru Drumea ◽  
Keyword(s):  
Nutrient Content ◽  
Nutrient Loads ◽  
Nutrient Reduction ◽  
Nutrient Balances ◽  
Research Activities ◽  
The Town ◽  
Different Parts

Article is based on the research activities in the Lower Raut region in the period 2014-2018. Main goal of studies performed was preparing of nutrient balances and development of management papers for nutrient reduction. A number of samples were collected to analyze nutrient content in the components of environment for calculations of nutrient loads in the region. Nutrient balances included data on its content in superficial runoff from different parts of the Orhei municipality such as: transport, industrial and living areas. Vulnerable sites of the town were identified and relevant measures proposed to reduce impact of pollution.

Sign in / Sign up

Export Citation Format

Share Document