Essays about: "fertilization"

Showing result 21 - 25 of 247 essays containing the word fertilization.

  1. 21. Predicting the outcome of IVF treatments using forward selection regression and linear discriminant analysis

    University essay from Lunds universitet/Matematisk statistik

    Author : Agnes Ekman; Linnéa Fahlberg; [2022]
    Keywords : Mathematics and Statistics;

    Abstract : As more and more In Vitro Fertilizaiton (IVF) treatments are performed each year, there is a need to better predict the outcomes of different stages of the treatment and hence get a better understanding of which hormonal and physical parameters affect the treatment outcome and in what way. In this study, the effect of interaction between baseline AMH (anti-mullerian hormone) and DFI (DNA fragmentation index) on the chance of obtaining at least one good quality embryo was investigated, but no significance was found. READ MORE

  3. 22. Modelling the growth of Pinus sylvestris L. monocultures in Sweden depending on the absorbed light

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Mateusz Grzeszkiewicz; [2022]
    Keywords : climate change; forest modelling; light use efficiency; photosynthetically active radiation; Scots pine;

    Abstract : Stand growth models are an important aid in contemporary sustainable forest management as a major planning and decision-making tool. However, climate change influencing growth conditions worldwide is a challenge to commonly used empirical models as they do not provide enough flexibility, which can result in inaccurate predictions and thus wrong decisions and sub-optimal results. READ MORE

  4. 23. Hur påverkar mekaniskt snytbaggeskydd, markberedning, plantstorlek och plantgödsling granplantors överlevnad och tillväxt?

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Johanna Abrahamsson; Jessica Wallgren; [2022]
    Keywords : mekaniskt snytbaggeskydd; plantstorlek; markberedning; plantgödsling; föryngringsåtgärder; vitalitet;

    Abstract : Reforestation of land entails both costs and uncertainties. Risk of pine weevil infestation, competition from other vegetation, frost and insufficient nutrient supply are some examples. READ MORE

  5. 24. Synergies of nutrient fractions for fertilization in agriculture

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Linda Adjei; [2022]
    Keywords : Phosphorus; Wastewater; Polonite; molybdenum blue spectrophotometry; Fertilizer; Sunflower; Plant growth;

    Abstract : A few countries are controlling the worlds phosphate reserves and this raw material is depleting at a faster rate. Most of the mined phosphate rock comes from Morocco and the Russia area which has unstable security. Studies shows that about 40% of potash export and 28% of nitrogen and phosphorus (P) fertilizer products comes from the Russia area. READ MORE

  6. 25. Tillväxteffekter på lång sikt av gödsling i äldre tallbestånd : studie som undersöker huruvida gödsling påverkar tillväxten på lång sikt

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Hannes Alajärvi; Oskar Engström; [2022]
    Keywords : gödsling; tall; tillväxteffekter; tid; försök;

    Abstract : The purpose of this study was to determine if fertilization had an impact on the long-term growth effects of pine forest on less fertile ground. It was done by using data from field trials to compare fertilized plots with control plots, and with that get results whether fertilization influences growth or not in a longer period, but also how production and height development acted together. READ MORE