Uppsatser om fertilizers
49 uppsatser · sida 4 av 4
a case study comparing nutritional and microbiological properties
Kandidatuppsats · SLU
… The development of organic hydroponics is dependent on replacing synthetic fertilizers with organically derived nutrients, such as those found in aquaculture effluents. Also, in hydroponic cultivation the establishment of a plant pathogen suppressive micro flora is part of the …
Kandidatuppsats · SLU
… per gram soil and 35 000 spores per gram soil) and three different nitrogen fertilizers, calcium tetrahydrate, ammoniumnitrate and urea were compared in two different levels corresponding 60 N kg/ha and 120 N kg/ha with an unfertilized control. It is considered that there is no …
Högskoleuppsats · Högskolan i Halmstad
… production, both small scale and professional. Spreading of phosphorus fertilizers and manure is therefore seen as a necessity in today's agriculture in order to achieve high yield. Manure management, livestock farming and manure storage could contribute to the eutrophication of …
Examensarbete, avancerad nivå · SLU
… of the chain. The conclusions of the value chain analysis were: - The use of fertilizers and pesticides has a major impact in the value chain but differs widely between the farmers. A more controlled and effective use can have positive effect on both the economy and the …