Results 41 to 50 of about 326,936 (197)

Key aspects on the biology, ecology and impacts of johnsongrass [Sorghum halepense (L.) Pers] and the role of glyphosate and non-chemical alternative practices for the management of this weed in Europe [PDF]

open access: yes, 2019
Sorghum halepense (L.) Pers is a common and noxious worldwide weed of increasing distribution in many European countries. In the present review, information on the biology, ecology, agricultural, economic and environmental impact of johnsongrass is given,
Antonopoulos, Nikolaos   +9 more
core   +3 more sources

Tolerance to weed harrowing in spring barley genotypes [PDF]

open access: yes, 2005
Controlling weeds in spring cereals grown under organic conditions is mostly done by post emergence weed harrowing, where spring tines of the weed harrow control weeds by uprooting and/or covering small weeds plants with soil.
Hansen, Preben Klarskov
core  

Full-season herbicide programs to control a seven-way-resistant Palmer amaranth accession under soybean technologies

open access: yesWeed Technology
A seven-way herbicide-resistant Palmer amaranth accession (MSR2) was identified in AR. Herbicide programs providing season-long control of this problematic accession need to be investigated, especially within the current soybean portfolio.
Pâmela Carvalho-Moore   +4 more
doaj   +1 more source

Vision-based weed identification with farm robots [PDF]

open access: yes, 2010
Robots in agriculture offer new opportunities for real time weed identification and quick removal operations. Weed identification and control remains one of the most challenging task in agriculture, particularly in organic agriculture practices ...
Bochtis, Dionysis   +4 more
core  

A Concept of a Compact and Inexpensive Device for Controlling Weeds with Laser Beams

open access: yesAgronomy, 2020
A prototype of a relatively cheap laser-based weeding device was developed and tested on couch grass (Elytrigia repens (L.) Desv. ex Nevski) mixed with tomatoes. Three types of laser were used (0.3 W, 1 W, and 5 W).
Ildar Rakhmatulin, Christian Andreasen
doaj   +1 more source

Organic Spring Wheat Weed Control Strategies Report [PDF]

open access: yes, 2012
Many organic cereal grain growers struggle with weed issues, especially in spring wheat. Weed competition is one of the major issues in spring wheat due to many factors.
Cummings, Erica   +4 more
core   +1 more source

Influence of grass mulch application on tubers size and yield of ware potatoes [PDF]

open access: yes, 2009
The aim of the experiment was to investigate the effect of grass mulch and the term of its application on the yield and quality of potatoes and weed biomass under organic system.
Dvorak, Petr   +5 more
core  

Effect of weed control methods on growth of five temperate agroforestry tree species in Saskatchewan

open access: yesThe Forestry Chronicle, 2017
Most tree species in agroforestry plantings are intolerant to vegetative competition and sites must be intensively cultivated to eliminate weeds. Many studies have been conducted to investigate what factors limit seedling growth because of the presence ...
W.R. Schroeder, H. Naeem
doaj   +1 more source

COMPARING THE PERFORMANCE OF DIFFERENT WEED CONTROL METHODS UNDER DRY LAND FARMINIG SYSTEMS IN NORTH IRAQ [PDF]

open access: yesMesopotamia Journal of Agriculture, 2012
Weed contol study on fallow field was condected during growing season 2009/2010 at field of agriculture college,Mosul university to determine the efficiency of different weed control methods (plowing by disk plow,sprayind paraquat herbicide,plowing and ...
K.E. allaaf
doaj   +1 more source

Economic Aspects of Physical Intra-Row Weed Control in Seeded Onions [PDF]

open access: yes, 1998
The paper presents a model to calculate the costs for weed control in organic row crops. The model makes it possible to analyse the economic consequences of different weed control strategies in row crops. Particularly the time needed for hand-weeding had
Melander, Senior scientist Bo
core  

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