Results 51 to 60 of about 326,936 (197)

Weed flora and weed management of field peas in Finland [PDF]

open access: yes, 2005
The composition of the weed flora of dry pea (Pisum sativum L.) fields and cropping practices were investigated in southwestern Finland. Surveys were done in 2002–2003 in 119 conventionally cropped fields and 64 fields under organic cropping.
Hyvönen, Terho   +2 more
core   +2 more sources

Industrial Hemp Weed Control Trial [PDF]

open access: yes, 2016
Hemp is a non-psychoactive variety of cannabis sativa L. The crop is one of historical importance in the U.S. and reemerging worldwide importance as manufacturers seek hemp as a renewable and sustainable resource for a wide variety of consumer and ...
Cubins, Julija   +7 more
core   +1 more source

Organic Cropping Systems do not Increase Weed Seed Numbers but do Increase Weed Diversity [PDF]

open access: yes, 2020
The influence of different cropping systems on the soil weed seed bank after the first crop rotation within a five-field crop rotation (barley undersown with red clover, red clover, winter wheat, pea, potato) in three organic (Org) and in two ...
Alaru, Maarika   +7 more
core   +1 more source

The effect of intercropping on weed infestation of a spring barley crop cultivated in monoculture

open access: yesActa Agrobotanica, 2012
This paper presents the results of a study carried out in the years 2005-2007 in the Bezek Experimental Farm near the city of Chełm, Poland, on heavy mixed rendzina soil. The effect of intercropping, using red clover (cv.
Ewa Kwiecińska-Poppe   +2 more
doaj   +1 more source

Brassicas limited in weed control [PDF]

open access: yes, 2006
This article discusses the limitations of using brassica cover crops for weed control. A brief overview of the role of cover crops is provided, followed by a short review of research looking at brassica cover ...
Kristiansen, P.
core  

Herbicide Evaluation in Arkansas Rice, 1997 [PDF]

open access: yes, 1999
Weed control is economically important for production of rice, a major crop in Arkansas. These findings summarize efforts of the team of Arkansas scientists working on weed control strategies for rice during 1997.
Baldwin, Ford   +8 more
core   +2 more sources

Broccoli weed control studies

open access: yesCalifornia Agriculture, 1971
Although broccoli was cultivated L by the ancient Romans, it did not become a popular vegetable in the United States until about 50 years ago. It has been produced in California primarily in the coastal counties where the climate is moderate to cool ...
B Fischer, B Hoyle, D May
doaj  

Weed Management Methods for Herbaceous Field Crops: A Review

open access: yesAgronomy
Weeds compete with crops for water and nutrients and can adversely affect crop growth and yield, so it is important to research effective weed control methods. This paper provides an overview of the impact of weeds on crop yield and describes the current
Wen-Tao Gao, Wen-Hao Su
doaj   +1 more source

Development of tools for automated physical weed control [PDF]

open access: yes, 2009
Tools are being developed for automated physical weed control in the close to crop area. The most promising weed control concepts are the so-called high precision tillage solutions and thermal weed control by pulsed ...
Melander, Bo, Nørremark, Michael
core  

The Parts Are Greater Than the Whole: How Securitization of Divisible Interests Can Revolutionize Structured Finance and Open the Capital Markets to Middle-Market Companies [PDF]

open access: yes, 1993
We evaluated whether new information could be drawn from additional data collection and unconventional statistical analyses of an on-farm trial. First, we compared a conventional sampling method using a biomass estimate of weed abundance to repeated ...
Milberg, Per, Nkurunziza, Libère
core   +2 more sources

Home - About - Disclaimer - Privacy