Wild weather affects grain crops in North America as demand increases

The world is counting on North American farmers for big harvests of everything from corn to canola this year. Due to strange weather conditions, growers will likely be short.

The United States and Canada are seeing unusual climate variability, with some crops dying from intense heat and drought, while others are subject to flooding. Meanwhile, demand is increasing as economies recover from the coronavirus pandemic, so much so that every grain counts.

The culprit is an abnormal high-pressure system that is likely to stay in place for a key period of the growing season, when plants are flowering and developing. It is responsible for the hottest temperatures on record in the US Pacific Northwest while forming a trough in the central US that brings rain showers. The hot, arid conditions moved eastward, spreading across agricultural areas of the American plains and Canadian prairies, adversely affecting everything from spring wheat used in pizza to canola used for cooking oil.

With production from major exporters like Brazil already declining, wild weather is contributing to greater volatility in crop markets, with canola prices hitting record highs and spring wheat at multi-year highs.

“Rain, hail, drought, we’ve had it all,” said April Hemmes, a fourth-generation farmer in north-central Iowa.

In the past, drought and rainfall were normally milder and more widespread. But the global climate is changing and becoming more and more extreme, resulting in pockets of lushness and intense drought. Harvest conditions in parts of the Midwest and Mid-South regions are near ideal.

“Because there is more rainfall, it is less frequent, spatially,” said John Corbett, founder and CEO of agricultural intelligence company aWhere.

The biggest question on the map of North American farms is Iowa, the largest producer of corn in the United States and the second largest producer of soybeans. The current line dividing the drought danger zone from more “normal” weather crosses the state, said Dan Hicks, a meteorologist at Freese-Notis Weather in Des Moines.

As millions of acres of cropland in western Iowa suffer from dry conditions, other farmers who received rain saw a downpour, which put plants at risk during the heaviest rising crop prices for almost a decade.

Hemmes’ fields had corn so dry last week the leaves rolled up until retain moisture.

Meanwhile, in the southeastern state near Ottumwa, Pat Swanson said the rain last week started as a blessing. Then a hailstorm followed by 6.5 inches of rain swept the gravel road to her 2,000-acre soybean and corn farm that she runs with her husband, Don.

Parts of these fields “might not produce anything,” Swanson said.

Critical state

Highest Growing Spring Wheat States Are Well Below Five-Year Averages

Source: USDA

Some farming towns in southern Minnesota, a major producer of wheat, corn and soybeans, have experienced the least rain since 2012 and the warmest temperatures in more than a decade. In neighboring North Dakota, conditions for the spring wheat crop are the worst since 1988, according to government data.

North Dakota farmer Paul Anderson, who last month gave up his struggling spring wheat in favor of corn, planted the corn seeds very deep so the roots could reach the moisture in the subsoil.

“The corn is sticking to it, but we took extra care to get it in,” Anderson said.

Farmers on either side of the Canada-US border are increasing plantings, driven by high prices and dwindling stocks, but yields are suffering. The Canadian government said on Tuesday that farmers had planted the most canola in three years. The US government will publish an annual acreage report on Wednesday.

Environment Canada has issued heat warnings over much of the western half of the country, even as far north as the Arctic Circle.

The country, best known for its freezing winters, braces for a scorching hot week as the heat wave moves east through key agricultural provinces of Alberta and Saskatchewan, the main canola producers. Temperatures are expected to peak around 40 degrees Celsius (104 degrees Fahrenheit) by midweek.

The fields start to bloom, which means that a bloom explosion can occur – when the canola blossoms fall without turning into oilseeds, ”said Keith Ferley, contract specialist at commodity term for RBC Dominion Securities Inc. in Winnipeg.

Temperatures of just 33 degrees Celsius (91 degrees Fahrenheit) could hurt returns, which is “almost a done deal,” said Chuck Penner, analyst at LeftField Commodity Research in Winnipeg.

Swanson, who handled the flooding, farms in the only part of Iowa that is not currently affected by drought or abnormal drought. She’s still nervous with arid conditions covering most of the state.

“You have to be optimistic or you would never make a farm,” she said.

– With the help of Dominic Carey and Brian K Sullivan


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