Uppsatser om fertilizer
90 uppsatser · sida 4 av 6
Kandidatuppsats · SLU
The impact of the distribution in the soil volume of two farm manures on the net mineralization and immobilization processes of nitrogen were studied in an incubation experiment. Cattle slurry and broiler litter were placed in the soil with three procedures for incorporation …
en studie av användandet av ekologisk bomull inom H&M
Kandidatuppsats · Södertörns högskola
… is the most sprayed crop and a great amount of water, pesticides and inorganic fertilizers are used in order to get better and bigger harvests leading to a negative impact on both environment and people working in the production chain. Organic cotton is a great alternative and a …
Magisteruppsats · Mälardalens högskola
… with monoculture and extensive input of external energy, commercial fertilizer, and chemical pesticides are all essentially unsustainable. An adaptation to other methods of production is necessary to preserve the environment for future generations. The aim of this study is to …
ett framtida problem för områdets diversitet?
Kandidatuppsats · Mälardalens högskola
… prefers heavily disturbed areas and access to large amounts of nitrogen fertilizer from exhaust fumes
Examensarbete, avancerad nivå · Uppsala universitet
… a very high level of phosphorus. Reducing the external load of phosphorus from fertilizers can reverse the eutrophication process. Increasing the depth also has a reversing effect. If no measures are taken, it is likely that the lake overgrows. To reduce the lake's phosphorus …
Kandidatuppsats · Mittuniversitetet
… about 40 tons, it can replace about 5 % of the nitrogen supplied as synthetic fertilizer. The contribution to the nitrogen resource by digested sludge is greater than its contribution to the supply of fuel. The cost for the gas is 12-14 kr per petrol equivalent, that is little …
Magisteruppsats · SLU
This project investigated how elevation and vegetation type influences variation in plant litter phenolic content and protein precipitation capacity among and within common plant species for two different vegetation types, heath and meadow, in a subarctic ecosystem in the Abisko …
Kandidatuppsats · SLU
… is limiting growth on solid ground in Sweden and can therefore be used as fertilizer to increase productivity. In order that the sludge can be spread to forest land it requires first a conversion of sludge to pellets, to make it more manageable. Sludge contains in average of …
åtgärder för att förbättra ekonomin inom lantbruksföretag
Högskoleuppsats · SLU
… question on focused mortgage, leasing, financing of machinery and futures on fertilizer and seed.
an inventory study for agriculture applications and requirements
Övrigt arbete · SLU
… areas of application, such as digital recordkeeping of applied inputs, e.g. fertilizers and pesticides, and environmental monitoring to forecast disease outbreaks or give precise and automatic irrigation. RTLS can also be used to trace agricultural goods through the distribution …
honungsbaserad sårsalva : vid behandling av yt-pyodermi hos hund.
Övrigt arbete · SLU
Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed …
en jämförelse mellan Mälarregionen och Östergötland
Kandidatuppsats · SLU
Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed …
flöden, trender och fältbalanser
Magisteruppsats · SLU
… of -15% and -6 % over a 100-years period on crop farms when only commercial fertilizers are being used.The concentrations of Hg and Pb tend to increase in the topsoil on crop farms with more than 3 % forHg and with 2 % for Pb in 100 years. There is today balance between supply …
hur påverkar användandet av fungicider utnyttjandet och inlagringen av kväve i höstvete?
Högskoleuppsats · SLU
… increased quality. There is also much potential in improving the efficiency of fertilizer use.
en studie av DLA Agro
Övrigt arbete · SLU
… costs and thus improve efficiency. The Swedish market for commodities (fertilizers and pesticides) in agriculture has for many years been dominated by a few large players, with little opportunity for grain associations and local grain companies to offer their customers a varied …