Essays about: "pH effects"

Showing result 36 - 40 of 251 essays containing the words pH effects.

1. 36. Biochar and hemp as peat substitutes in organic growing media : effects on nutrient availability and nutrient uptake

   University essay from SLU/Dept. of Biosystems and Technology (from 130101)

   Author : Malin Nilsson; [2022]
   Keywords : Growing media; substrate; biochar; hemp; peat substitution; nutrient availability; nutrient use efficiency;

   Abstract : This study aimed at evaluating the suitability of biochar and hemp as partial or complete replacement of peat in horticultural growing media, with specific emphasis on the effects on nutrient availability and plant nutrient uptake. The study was motivated by the environmental concerns surrounding the use of peat, along with a desire to explore possible uses for biochar and a crop residue from hemp cultivation. READ MORE

3. 37. Aluminium water extract levels from liquid packaging board : A comparative trial study between alum and polyaluminium chloride added as flocculants on BM7, Stora Enso Skoghall Mill

   University essay from Karlstads universitet/Avdelningen för kemiteknik

   Author : Hanna Cassel; [2022]
   Keywords : aluminium; alum; polyaluminium chloride; PAC; liquid packaging board; BfR; water extract; aluminium; alun; polyaluminiumklorid; PAC; vätskekartong; BfR; vattenextrakt;

   Abstract : The aluminium content of water extracts is an important aspect for the food safety of paper board, as the content indicates the ability of the paper board material to transfer aluminium to the packaged food product. Aluminium intake in humans and its health effects have been discussed for many years as some research has seen potential links between, among other things, high aluminium levels in the brain and the development of hereditary Alzheimer's. READ MORE

4. 38. Utfodring med ensilage till slaktgris : effekter på köttkvalitet och fettsyrasammansättning

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Erika Ohlsson; [2022]
   Keywords : köttkvalitet; fettsyrasammansättning; slaktgris; ensilage; vallfoder; proteinfodermedel;

   Abstract : Ensilage är en potentiell proteinkälla till gris då vallens aminosyraprofil passar grisens behov bra. I Sverige är förutsättningarna för vallodling goda och vallen har positiv inverkan på odlingsmarken. Vallen kan även skapa ett mervärde då den har positiva effekter på grisens välfärd samt är lokalt odlad. READ MORE

5. 39. Analysis of the water quality dynamics of Lake Vomb; Interactions between water quality profile and cyanobacterial bloom in a eutrophic lake in Sweden

   University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

   Author : Wiebke Coenen; [2022]
   Keywords : Vombsj¨on; Lake profile; Cyanobacteria; Drinking water; Random Forest; Technology and Engineering;

   Abstract : Lake Vomb, located in Sk˚ane, Sweden, provides water for groundwater infiltration, used for the drinking water supply of several municipalities, including Malm¨o. The lake is in a bad ecological condition with intense algae blooms during summer. Cyanobacteria dominate mentioned blooms in 2021 posing the threat of releasing cyanotoxins. READ MORE

6. 40. Rumen metabolism and digestibility in dairy cows offered diets with forest by-products

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Muhammad Irfan; [2022]
   Keywords : Dairy cows; Wood by-products; Rumen digestibility; Metabolism; Aspen tree;

   Abstract : Swedish dairy industry faced a cris i s of feed shortage in summer of 2018, followed by a dry autumn. The forage shortage was severe in some regions. During that period Swedish g overnment intervened by introducing a 1. READ MORE