88 uppsatser · sida 5 av 6
vad skiljer röjningsröseområden från celtic fields, stensträngsområden och bandparcellområden?
… most likely represent the same farming system with hay-meadow ” stabling ” manure ? intensely cultivated fields In most provinces in southern Sweden, the pre-roman celtic fields and clearance cairn areas were replaced by geometrically laid-out strip fields or different kinds of …
… first initiated, the main focus was on the green house gas emissions from the manure at the cultivation. Thereafter the process steps such as picking, ginning, carding, spinning, weaving and sewing were being studied. The picking is done by hand, but the rest of the processes …
… within a 30-kilometer radius that can supplement the plants main substrate, manure. The map layer Swedish Ground Cover Data (SMD) together with GIS software was used to analyze the extent of overgrowth for the older VMI objects in Uppsala County, with the result that half of the …
Produktions- och optimeringspotentialen vid anaerob rötning av flytgödsel från nötkreatur granskades. Detta genom att, i laboratoriemiljö, undersöka förändringar i processtabilitet, gasproduktion och metanhalt vid tillsats av kycklinggödsel och pH-buffert med flytgödsel från …
… in con-nection with the new animal stables at Lövsta. There will primarily manure from stables that rot to biogas. The biogas plant will also have the capacity that rot others substrates that can arise in the farm operation. The aim with the biogas plant is to produce non fossil …
en fallstudie i Norrtälje kommun.
… recycle nitrogen back to arable land to a greater extent. A comparison between manure sludge from waste water treatment plants and liquid composts showed that the liquid composts had a much lower level of cadmium content and higher proportion of plant available nutrients. The …
Rötgaskammare för småskalig biogasproduktion
… is great. Farms have a natural stock of digestibleorganic material in form of manure or crops for example, which are constantlyavailable. A reason that only a few small plants exists are the large investment costs.A study focusing on the actors who supply these smaller plants …
flöden, trender och fältbalanser
… amounts of Cu and Zn in the topsoil.Both elements occur in large quantities in manure as a consequence of being constituents of mineralfeed. It has been calculated that the concentration of these trace elements will increase in the topsoilwith 27 % and 32 % on dairy farms and …
… as harvest products are sold, whilefarms with animal production often have manure in excess of their needs. In addition to this the retention ofwater and nutrients in naturally occurring wetlands has decreased due to a reduction of wetlands in number andsize in the agricultural …
… as harvest products are sold, whilefarms with animal production often have manure in excess of their needs. In addition to this the retention ofwater and nutrients in naturally occurring wetlands has decreased due to a reduction of wetlands in number andsize in the agricultural …
enkätstudie för smågrisproducenter
… animals and the environment. Phosphorus is a substance which, when spreading manure, may not exceed the allowedamount of 22 kg per hectare.In order to affect the food cost, you need to know how much energy the animal utilize from the feed. Therefore a system for energy …
… that there is not always a clear advantage with using fertilizers instead of manure.
… as long as the system is stable and resilient, but when landuse changes and manure from horses increases it will lead to disturbances that can convert a system from one regime in to a completely different one. That will result in loss, or degradation, of ecosystem services such …
… goats are important for poor people providing a source of income, meat, manure, milk and an insurance against emergencies. Goats are essential for poverty alleviation in developing countries. The aim of this study was to gain knowledge about urban and peri-urban agriculture in …
… initially the reduction reached a maximum of 24 % and was also NS. After the manure trays on this farm had been removed, however, there was a significant reduction obtained of 86 %, compared to before treatment. This was because a major site of mite aggregation was removed and …
