Essays about: "perlite"

Showing result 1 - 5 of 7 essays containing the word perlite.

  1. 1. Ammonium and nitrate sorption by biochar

    University essay from SLU/Dept. of Soil and Environment

    Author : Yasser Alrhban; [2023]
    Keywords : biochar nitrogen; retention; dialysis; absorption; adsorption; ammonium; nitrate;

    Abstract : Biochar has recently drawn attention due to its ability to increase soil fertility, sequester carbon and its expected effect on reducing the leaching of elements from the soil, especially nitrogen. The possibility of using biochar as a soil amendment to reduce the amount of nitrogen leaching, and then reducing the quantities of nitrogen fertilizers used in agriculture to avoid the bad environmental effects has become a matter of great interest. READ MORE

  3. 2. Review of pH recommendations for soilless cultivation systems

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Elric Fabricius; [2023]
    Keywords : soilless cultivation; hydroponics; aeroponics; NFT; nutrient film technique; DWC; deep water culture; pH; nutrient solution; speciation; availability; biomass production;

    Abstract : Our human population is growing, and with that, so is our demand for food, food that today still is not a guarantee for all of us. To help increase global food security, the diversification of our food production through the implementation of soilless, hydroponic cultivation systems has been suggested. READ MORE

  4. 3. Biochar from garden waste as a potential hydroponic growing substrate

    University essay from Linköpings universitet/Industriell miljöteknik

    Author : Pia Lampel; [2022]
    Keywords : ;

    Abstract : With an increasing need for food to feed the growing world population, resources like landand water for agriculture are becoming. As a response, hydroponic cultivation has becomemore popular. Hydroponic cultivation consumes less water, requires less land, and consumesfewer nutrients. READ MORE

  5. 4. Smart Hydroponics : Conceptual Design of Hydroponic Plant System for Home Environment

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik och samhälle

    Author : Erik Földhazy; [2018]
    Keywords : Industrial Design Engineering; User Experience; Sustainability; Product Design; Human- Centered Design; Hydroponics; Teknisk Design; Användarupplevelse; Hållbarhet; Produktdesign; Human-Centered Design; Hydroponik;

    Abstract : Hydroponics is a method of cultivating plants without the use of soil. Soil acts as a growth medium which gives plants stability, provides nutrients and allows roots to be kept wet without drowning. In hydroponics the soil’s functions are replaced by synthesized methods. Stability comes from a substrate (i. READ MORE

  6. 5. Metallurgical Analysis of Viking Age Amulet Rings : and Comparison With Cutting Tools

    University essay from KTH/Materialvetenskap

    Author : Louise Erkers; Felicia Fröjd; [2017]
    Keywords : Amulet rings; morphology; forging; Amulett ringar; morfologi; smide;

    Abstract : Artefacts known as amulet rings, a kind of Viking age jewellery, have often been encountered during archaeological excavations of Viking Age sites. The rings do not appear to have any practical use, but are rather considered to be of cultural or religious importance. READ MORE