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Showing result 1 - 5 of 16 essays matching the above criteria.

  1. 1. Assessing the suitability of using Sentinel-1A SAR multi-temporal imagery to detect fallow periods between rice crops

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Lukasz Langowski; [2021]
    Keywords : Geography; Geographical Information System; GIS; Remote Sensing; Fallow; Detection; Sentinel-1A; Synthetic-aperture radar; SAR; Earth and Environmental Sciences;

    Abstract : Fallow, understood as a period where no crop is cultivated during a growing season, is an important crop management practice. Fallow plays an important role in pest and disease management, and monitoring the presence and duration of fallow can have implications for understanding the extent and effectiveness of this agricultural practice. READ MORE

  3. 2. Multi-scale topography assessment for site-specific drought management in Sweden

    University essay from SLU/Dept. of Soil and Environment

    Author : Karl Knaebel; [2021]
    Keywords : drought; topography; precision agriculture; Sentinel-2; DSS;

    Abstract : Globally, as well as in Sweden, the occurrence of droughts is expected to increase due to global warming. The drought summer of 2018 revealed the vulnerability of Sweden’s agriculture – with cereal yield losses of up to 50 %. Subsequently, the development of more resilience crop production systems to mitigate future droughts is required. READ MORE

  4. 3. Hybrid walnut : results from a five year field trial in southwest Sweden 2015-2020

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Stefan Juravle; [2020]
    Keywords : hybrid walnut; NG23; NG38; fertilization; fork; future crop tree; nurse trees;

    Abstract : A crossbreeding between american black walnut and Persian walnut lead to the development of a hybrid walnut (Juglans x intermedia). In a field trial from southwest Sweden have been tested the impact of different levels of nurse trees, fertilization and weed control on the early growth of two hybrid walnut varieties: NG23 and NG38. READ MORE

  5. 4. Ashish Vivekar (2020) Evaluation of methodology for estimating crop yield from multispectral UAV images : a case study at Lönnstorp, Sweden

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Ashish Vivekar; [2020]
    Keywords : Physical Geography and Ecosystem analysis; Multispectral Sensor; Radiometric Correction; Reflection calibration; Phenology; GEM; Earth and Environmental Sciences;

    Abstract : Adaptation of modern Unmanned Aerial Vehicle (UAV) and multispectral sensor technology in agriculture can enhance the capacity to accurately monitor crops. But these technologies come with its own set of challenges. READ MORE

  6. 5. Kväveupptag i höstvete : hur påverkar förfrukten, jordarten och vädret?

    University essay from SLU/Dept. of Soil and Environment

    Author : Lovisa Nissen; [2020]
    Keywords : mullhalt; jordart; väder; temperatursumma; nederbörd;

    Abstract : I jordbruket har behovet att utnyttja alla resurser effektivt blivit allt viktigare på senare år. Att ta vara på alla kunskaper angående grödans kväveutnyttjande är viktigt både för miljön och lantbrukarens ekonomi. Därför behöver vi lära oss mer om vilka faktorer som påverkar grödans kväveupptag. READ MORE