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Tag Archives herbicide

Does the early weed controller always get the worm?
Crops, Wheat & Chaff

Does the early weed controller always get the worm?

Q & A with Nutrien Ag Solutions

By
Q: Is early weed control always a solid tactic? A. It’s been well established that competition from early-emerging weeds is most detrimental to crop development. Weeds emerging along with the crop compete for moisture, fertility and light before the crop has a chance to get the upper hand by developing its root system and getting […] Read more
(Dave Bedard photo)
Crops, Reuters

Second U.S. jury finds Bayer’s Roundup caused cancer

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Reuters — A U.S. jury on Tuesday found Bayer’s glyphosate-based Roundup herbicide caused cancer, a blow to the company eight months after another jury issued a US$289 million verdict over similar claims in a different case. Tuesday’s unanimous jury decision in San Francisco federal court, which came after five days of deliberation, was not a […] Read more
Check your soil for herbicide residue
Columns, Crops

Check your soil for herbicide residue

Learn how to conduct plant bioassays to detect potential herbicide residues in your soil

By
Plant bioassays are a simple, inexpensive, accurate and direct method of determining if it is safe to grow crops on land previously treated with known herbicides or on cropland or compost with an unknown history of herbicide use. A bioassay can detect if herbicide or chemical residues are present in the soil or compost at […] Read more
Residual herbicide and crop injury
Columns, Crops

Residual herbicide and crop injury

When the worst happens: what questions to ask and how to soil test for a bioassay

By
Your cereal, oil seed or legume crop clearly shows that it has been significantly damaged by herbicide application or residual herbicide that was applied to cropland one or more years previously. You are considering possible legal action. What do you do next? First of all, you just don’t take a few photographs, complain about significantly […] Read more
(Video screengrab from Enlist.com)
Canola, Corn, Crops, Soybeans

Assure herbicide’s active ingredient under new ownership

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Now being put to work in Enlist corn, the active ingredient in Assure II herbicide has a new owner. California-based American Vanguard Corp., the owner of ag chemical producer Amvac Chemical, announced Thursday it has bought the quizalofop-p-ethyl (QPE) product line of herbicides from DowDuPont’s ag division, Corteva Agriscience, for an undisclosed sum. A Group […] Read more
The plants were at the four-leaf stage with one or two tillers, and were already quite large. The leaves were starting to burn on the tips and the roots were shrivelling up.
Cereals, Crops, Features

Crop advisor’s casebook: What’s causing the half-circle pattern in this wheat field?

A Crop Advisor's Solution from the November 6, 2018 issue of Grainews

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John is an Alberta producer who has a mixed farming operation located north of Vermilion. His main crops are wheat and canola. John called me mid-June this year to examine his wheat crop after he noticed some patches in the field’s outside rounds were slowly dying. As I approached the field, I could see what […] Read more
A soybean plantation in Brazil. (MailsonPignata/iStock/Getty Images)
Crops, Reuters

Brazilian court overturns ban on glyphosate

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Brasilia | Reuters — A Brazilian court on Monday overturned an injunction banning products containing the herbicide glyphosate, knocking down a previous ruling that had been set to disrupt the soy planting season set to begin this month. A Brazilian judge ruled last month to halt the registration of new glyphosate-based products in the country […] Read more
A soybean plantation in Brazil. (MailsonPignata/iStock/Getty Images)
Crops, Reuters

Brazil judge suspends use of glyphosate herbicide

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Sao Paulo | Reuters – A Brazilian judge has suspended the use of products containing the agrochemical glyphosate, a herbicide widely employed for soybeans and other crops in the country. A federal judge in Brasilia ruled on Friday that new products containing the chemical could not be registered in the country and existing registrations would […] Read more
(Arysta.cl)
Crops

UPL to buy crop chem firm Arysta

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Indian chemical manufacturer UPL has raised the financial backing for an all-cash deal to become what’s expected to be the world’s fifth biggest crop chemical firm. UPL on July 20 announced it will pay $4.2 billion to buy 100 per cent of Arysta LifeScience — the maker of Everest and Inferno herbicides, among other products […] Read more

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