Essays about: "future crop tree"

Showing result 1 - 5 of 7 essays containing the words future crop tree.

  1. 1. 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

  2. 2. Black coffee twig borer, Xylosandrus compactus (Eichhoff) on robusta coffee in Uganda : impact of shade level on abundance of BCTB and knowledge levels about BCTB

    University essay from SLU/Dept. of Ecology

    Author : Christina Hultman; [2016]
    Keywords : agroforestry; canopy cover; Coffea canephora; host trees; natural enemies; shade trees;

    Abstract : The Black Coffee Twig Borer (BCTB), (Xylosandrus compactus (Eichhoff)) is a devastating pest on robusta coffee in Uganda. The coffee in Uganda grows mostly in agroforestry systems where trees and crops are combined and interact with each other. READ MORE

  3. 3. Relationship between tree species composition and phenology extracted from satellite data in Swedish forests

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Stefan Arvidsson; [2015]
    Keywords : MODIS; forests mapping; fractional mapping; satellite derived phenology; GIS; Physical Geography and Ecosystem analysis; TIMESAT; NDVI; EVI; Earth and Environmental Sciences;

    Abstract : This study investigated the “relationship between tree species composition and phenology extracted from satellite data in Swedish forests”. The proposed method investigated in this study aims at mapping the fractional composition of deciduous/coniferous tree species and also the fractional composition of Norway spruce (Picea abies) and several pine (Pinus sp. READ MORE

  4. 4. Commercial thinning and its potential for contribution to the timber supply in British Columbia’s Interior forests : a look at Finnish and Swedish forest practices and their applicability in British Columbia’s Interior forests

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : David Christian; [2014]
    Keywords : forestry; silviculture; commercial thinning; mid-term timber supply;

    Abstract : Thinning is the partial removal of trees in a forest stand prior to final harvest. The term can be divided in pre-commercial thinning where little if any volume is removed from the stand and commercial thinning where removals are intended to provide a positive economic result. READ MORE

  5. 5. Biogenic volatile organic compound emissions from Willow trees

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Md. Ahsan Mozaffar; [2013]
    Keywords : atmosphere; Salix; Willow; biogenic volatile organic compounds; Isoprene; climate; BVOC; geography; physical geography; Earth and Environmental Sciences;

    Abstract : In August 2012, emissions of biogenic volatile organic compounds (BVOCs) from willow (Salix) trees were measured in Lund, southern Sweden. Sweden has more than 16000 ha of short rotation willow plantations for biofuel production and willow trees are suspected to emit substantial amounts of BVOC to the atmosphere. READ MORE