WASHINGTON, October 26, 2016: Astronauts aboard the International Space Station have started planting their third on-orbit crop of red romaine lettuce, NASA said.
“Early this morning, NASA astronaut Shane Kimbrough initiated the Veg-03 experiment, one of his first science assignments as a new crew member aboard the orbiting laboratory,” the US space agency said in a statement on Wednesday.
Astronomers are using a plant growth system called “Veggie” for their experiment.
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The Veg-03 crop will be the Veggie team’s first on-orbit attempt at a new, repetitive harvest technique termed ‘Cut-and-Come-Again’.
“Once the plants are approximately four weeks old, a selection of leaves can be harvested for a bit of fresh lettuce and possibly science samples. Meanwhile, some leaves are left intact along with the core of the plant and will continue to grow and produce more leaves,” explained said Nicole Dufour, NASA’s Veggie project manager.
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“We expect this will increase the on-orbit crop yield, as well as allow for more opportunities to supplement our astronauts’ diets with fresh, nutritious food from the same plants, which is an important goal of the ‘pick-and-eat’ food concept,” Dufour noted.
The team is anxiously awaiting germination results, expected early next week, Dufour said.
Astronauts on future long-duration space missions will need to be able to grow their own food to supplement their diets.
Using the Veggie plant growth facility aboard the station, Veg-03 builds on the successes of previous studies, including Veg-01, which resulted in the first-ever on-orbit harvest and sampling of fresh produce during the summer of 2015.
Techniques learned from Veggie crops will help NASA prepare for the Journey to Mars. (IANS).
The coronavirus pandemic has disrupted global food supplies and is causing labor shortages in agriculture worldwide. This is the latest health news.
Are there food shortages?
Panic buying by shoppers cleared supermarket shelves of staples such as pasta and flour as populations worldwide prepared for lockdowns.
Meat and dairy producers as well as fruit and vegetable farmers struggled to shift supplies from restaurants to grocery stores, creating the perception of shortages for consumers.
Retailers and authorities say there are no underlying shortages and supplies of most products have been or will be replenished. Bakery and pasta firms in Europe and North America have increased production.
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Food firms say panic purchasing is subsiding as households have stocked up and are adjusting to lockdown routines.
The logistics to get food from the field to the plate, however, are being increasingly affected and point to longer-term problems.
In the short term, lack of air freight and trucker shortages are disrupting deliveries of fresh food.
In the long term, lack of labor is affecting planting and harvesting and could cause shortages and rising prices for staple crops in a throwback to the food crises that shook developing nations a decade ago.
What’s disrupting the food supply?
With many planes grounded and shipping containers hard to find after the initial coronavirus crisis in China, shipments of vegetables from Africa to Europe or fruit from South America to the United States are being disrupted.
A labor shortage could also cause crops to rot in the fields.
As spring starts in Europe, farms are rushing to find enough workers to pick strawberries and asparagus, after border closures prevented the usual flow of foreign laborers. France has called on its own citizens to help offset an estimated shortfall of 200,000 workers.
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More wide-scale crop losses are looming in India, where a lockdown has sent masses of workers home, leaving farms and markets short of hands as staple crops like wheat near harvest.
Is food going to cost more?
Wheat futures surged in March to two-month highs, partly because of the spike in demand for bakery and pasta goods, while corn (maize) sank to a 3½-year low as its extensive use in biofuel exposed it to an oil price collapse.
Benchmark Thai white rice prices have already hit their highest level in eight years.
Swings in commodity markets are not necessarily passed on in prices of grocery goods, as food firms typically buy raw materials in advance. A sustained rise in prices will, however, eventually be passed on to consumers.
Some poorer countries subsidize food to keep prices stable.
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The U.N. Food and Agriculture Organization has warned that a rush to buy by countries that rely on imports of staple foods could fuel global food inflation, despite ample reserves of staple crops.
Fresh produce such as fruit or fish or unprocessed grains such as rice reflect more immediately changes in supply and demand.
Will there be enough food if the crisis lasts?
Analysts say global supplies of the most widely consumed food crops are adequate. Wheat production is projected to be at record levels in the year ahead.
However, the concentration of exportable supply of some food commodities in a small number of countries and export restrictions by big suppliers concerned about having enough supply at home can make world supply more fragile than headline figures suggest.
Another source of tension in global food supply could be China. There are signs the country is scooping up foreign agricultural supplies as it emerges from its coronavirus shutdown and rebuilds its massive pork industry after a devastating pig disease epidemic. (VOA)