Uppsatser om fertilizers

49 uppsatser · sida 2 av 4

Återföring av växtnäringsämnen från avloppsvatten till åkermark

en bedömning av intresset för nya näringsrika produkter

Examensarbete · SLU

… that are sufficiently clean to be brought back to arable land. Two types of fertilizers are produced in Hammarby Sjöstad. One is different types of sludge and the other is different types of concentrates. The aim of this study was to investigate farmers, the food industries …

Värphöns

påverkar de ekonomin på växtodlingen

Examensarbete · SLU

… with. In this degree project we have compared the manure with three different fertilizers. We have also interviewed five egg producers that value the manure different.

Fosforavskiljning i reaktiva filter vid småskalig avloppsrening

Examensarbete, avancerad nivå · Uppsala universitet

… have a high P-retention ability and which after saturation may be used as fertilizers. Four potentially suitable filter materials were tested in batch- and column experiments in this study. In the batch experiments, the following materials were shaken with waste water in time …

Majs till mogen skörd :

Examensarbete · SLU

… The plant nutrition was given as liquid manure, start nutrition with mineral fertilizers and Nitrogen 27 sulphur. The planting time was the 28 of April, when the soil temperature was 8- 10°C. It was planted 4 cm deep with 75 cm between the rows. Two different plant protections …

Prästgårdsträdgårdar

barndomsskildringar från 14 prästgårdsträdgårdar i Växjö stift

Examensarbete · SLU

… need for growing vegetables and fruits for economical reasons. When artificial fertilizers and pesticides made their entrance at the big farms around the turn of the century, they soon replaced the biological cultivation methods. At the same time people lost their interest in …

Ekonomi i vallfrödominerad växtföljd :

Examensarbete · SLU

… branch. Farmers who are leyseed producers today. Sellers who are selling seed, fertilizers, plant protecting and also are responsible for the leyseed contract. There are good result in timotyseed production, but nearly not acceptable in red clover production. The result shows …

Vegetationslösningar och andra metoder mot stranderosion :

Examensarbete · SLU

… is poor in keeping the nutrients so when planting sand fixing plants longtime fertilizers are recommended. Arbuscular mycorrhiza has been shown to be very important when establishing sand fixing plants. Maybe arbuscular mycorrhiza could be inoculated in nursery plants for better …

Jordbrukets påverkan på Östersjön

en jämförelse av indikatorer för att beskriva näringsbelastningen

Examensarbete · SLU

… as the production of each of these increases. However, a high use of mineral fertilizers did not show any correlation with high nutrient losses from agricultural land. In addition, while forage plants and fallow land are known to have low nutrient losses compared to areas with …

Design av utomhusträdgård i Dubai :

Examensarbete · SLU

… saline, witch makes supplying the soil with organic material and various fertilizers necessary if you want to be able to plant a bigger range of plant material in your garden. Another important part is to provide your garden with a good irrigation system that should be put into …

Från profit till ansvar, ett företags anpassning till verkligheten

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 …

Näsnarens framtid i ett näringsstatusperspektiv

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 …

Årlig gödsling med NPK bäst för gröda, miljö och ekonomi

Kandidatuppsats · SLU

… in the soil available for the crop.NPK-products are more expensive than single fertilizers. Because of this it is often said thatthe system with annual NPK-fertilizing is more expensive. But when calculating over theentire crop rotation the result is in favour of the NPK-system …