Sökning: "precision fertilisation"

Hittade 2 uppsatser innehållade orden precision fertilisation.

1. 1. Dissolution rates of mineral nitrogen fertilisers : effects of moisture and precipitation

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

   Författare :Christian Sigtryggsson; [2018]
   Nyckelord :hygroscopicity; deliquescence; fertilisers; calcium nitrate; ammonium nitrate; dissolution rates; rain simulation; enthalpy; precision fertilisation;

   Sammanfattning : Hygroscopicity and deliquescence refer to the ability of a solid to absorb air moisture in which it dissolves and have long been recognised as properties having negative impacts on the product quality of explosives, pharmaceuticals, and fertilisers. Contrastingly, this thesis reconsiders and reappraises the hygroscopic effects of common mineral fertilisers, proposing hygroscopicity to beneficially enable quick dissolution under humid air conditions in absence of precipitation. LÄS MER

3. 2. Simulations of drainage and phosphorus leaching with the ICECREAM model for 15 years at Mellby experimental field

   Master-uppsats, SLU/Dept. of Soil and Environment

   Författare :Jian Liu; [2010]
   Nyckelord :drainage; phosphorus leaching; ; ICECREAM model; Mellby experimental field;

   Sammanfattning : Phosphorus (P) losses from agricultural fields have been recognised as one of the mostimportant sources of P causing eutrophication in water bodies. Water transport in soil playsan important role in P leaching from drained fields. LÄS MER