Results 61 to 70 of about 326,936 (197)

Weed control in cucurbits

open access: yesCalifornia Agriculture, 1968
Bensulide (Prefar) was the most promising of the preplant herbicides tested for selective weed control in melons. It is not yet registered, however, and is not recommended by the University of California.
A Lange   +4 more
doaj  

Weed management in cereals with cover crops - do they help of hinder? [PDF]

open access: yes, 2018
Sustainable crop production calls for integrated weed management approaches. Cover crops (CCs) have been studied primarily in the context of soil fertility and soil structure but they might also supplement the weed management toolbox, particularly when ...
Salonen, Jukka
core  

A Dynamic Optimisation Model of Weed Control [PDF]

open access: yes
It is argued in this paper that static approaches to weed management, where the benefits and costs are only considered within a single season, are inappropriate for assessing the economic benefits of weed control technologies. There are carryover effects
Cacho, Oscar J., Jones, Randall E.
core   +1 more source

A Measurement System for On-line Estimation of Weed Coverage [PDF]

open access: yes, 1998
This paper describes two different solutions for the estimation of weed coverage. Both measuring systems discriminate the weed from the ground by means of the color difference between the weed and ground and can be used to on-line control tractor ...
Parvis, Marco, Pirola, Marco
core   +1 more source

Sowing time, false seedbed, row distance and mechanical weed control in organic winter wheat. [PDF]

open access: yes, 2000
In organic farming, mechanical weed control in winter wheat is often difficult to carry out in the fall, and may damage the crop, and weed harrowing in the spring is not effective against erect, tap-rooted weeds such as Tripleurospermum inodorum, Papaver
Rasmussen, Ilse A.
core  

Weed control in processing tomatoes

open access: yesCalifornia Agriculture, 1977
High yields in processing tomatoes depend on a great many factors, not the least of which is good weed control. Weeds compete severely with the tomato, primarily for water and light, and interfere with mechanical harvest.
A Lange   +10 more
doaj  

Nitrogen and weed management in transplanted tomato in the Nigerian forest-savanna transition zone [PDF]

open access: yes, 2018
Weed infestation and inherent low soil fertility are among primary reasons for low yields of tomato in Nigeria. Field trials were carried out during the wet season of 2015 and 2016 to evaluate yield response of tomato to nitrogen (N) application and weed
Adeyemi, O. R.   +4 more
core   +1 more source

Prevention and control of weeds, pests and diseases [PDF]

open access: yes, 2009
Weed control still requires major investments of money and labour in organic arable farming and field vegetable cultivation. For this reason, current research is focused to a large extent on the development of weed control strategies.
Hommes, M., Sukkel, W.
core   +1 more source

Development of weeds in organic crop rotation experiments [PDF]

open access: yes, 2005
Weeds are a major problem in organic farming. Preventive as well as curative measures must be utilised to manage the weeds and avoid proliferation. Besides direct weed control measures, many different aspects of planning and management in the cropping ...
Askegaard, M.   +2 more
core  

The importance of crop competition in physical and cultural weed control strategies [PDF]

open access: yes, 2003
The prentation focussed on the importance of crop competition in physical and cultural weed control ...
Melander, Senior Scientist Bo
core  

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