Essays about: "importance of fertilizer"

Showing result 11 - 15 of 20 essays containing the words importance of fertilizer.

  1. 11. Long-term application of digestate and biofuel ash to arable soil : effects on the solubility of Cd, Al and trace metals as evidenced by simulated scenarios

    University essay from SLU/Dept. of Soil and Environment

    Author : Elias Bäckström; [2018]
    Keywords : cadmium; fertilizer; Visual MINTEQ;

    Abstract : The importance of nutrient recycling could not be emphasized enough in to-day’s society. Reduction of waste as well as recycling of nutrients would be the result if ash and biogas digestate could be used as fertilizer. However, the solubility of Cd, Al and micronutrients might be affected in a different way than by standard fertilizers. READ MORE

  3. 12. Evaluation of a biogas process co-digesting slaughterhouse waste and swine manure : impact of increased organic loading and addition of iron

    University essay from SLU/Department of Molecular Sciences

    Author : Sara Ericsson; [2017]
    Keywords : biogas;

    Abstract : Anaerobic digestion by microorganisms generate methane which can be used as a renewable source of energy. A complex biological system with a community of microorganisms that work together can be used for generation of methane from substrates such as household wastes and agricultural wastes. READ MORE

  4. 13. Halmens betydelse för kolhalten : Föra bort eller bruka ner – hur påverkar det kolhalten i marken

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

    Author : Rickard Karlsson; [2016]
    Keywords : halm; kolhalt; mull; kolinlagring; markkol; struktur; jordförbättring;

    Abstract : Halmens användningsområde är en ständigt aktuell fråga och det diskuteras vart den gör bäst nytta: kvar på fältet som jordförbättring, i pannan som bioenergi eller som strö i djurstallar. Många har räknat på halmens ekonomiska värde ur näringsämnessynpunkt, både i Sverige och övriga världen. READ MORE

  5. 14. Radmyllning med kultivator

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

    Author : Erik Nordqvist; Gustav Hilmér; [2016]
    Keywords : mineralgödning; gödsling; myllning; kultivatorpinne; placering; djupmyllning;

    Abstract : Syftet med arbetet är att undersöka vad den nya tekniken radmyllning med kultivator innan sådd har för påverkan på var gödningen placeras i marken. Arbetet har gjorts tillsammans med Väderstad AB. READ MORE

  6. 15. Willingness to pay for improved maize seeds among smallholder farmers : a study of the input factor market in Kenya

    University essay from SLU/Dept. of Economics

    Author : Anna Lenksjö; Henrik Nordzell; [2014]
    Keywords : Economics; Willingness to pay WTP ; Factor market; Kenya; Embu; Bondo; Smallholder farming; Inputs; Soil fertility management; Improved maize seeds; OPV; Hybrids;

    Abstract : Kenya is considered to be a developing country. This means that basic needs such as nutrition are not met for an extended period of time (www, Sida 1, 2012). Approximately half of the population is living under the poverty line (www, CIA 1, 2012). Agriculture is the largest sector in the country, employing 75% of the population. READ MORE