Agriculture
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Agriculture
Carnivorous fish nibble at farming gain
Fish farming may ease pressure on wild stocks overall, but for certain species, farms mean a net loss of fish.
By Susan Milius -
Agriculture
Bt corn variety OK for black swallowtails
The first published field study of butterflies and genetically altered corn finds no harm to black swallowtail caterpillars from a common corn variety.
By Susan Milius -
Agriculture
Downtown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
By Janet Raloff -
Agriculture
Toxic bugs taint large numbers of cattle
U.S. cattle have dramatically higher rates of infection with a virulent food-poisoning bacterium than had been realized, a factor that leads to widespread carcass contamination during slaughter.
By Janet Raloff -
Agriculture
A Dairy Solution to Mildew Woes
Milk may prove the savior of some organic wines. Gray areas on these untreated grapes at Temple Bruer Wines reflect heavy powdery mildew damage. The grapes show splitting and “are useless,” notes Peter Crisp. Crisp This vine, treated with whey sprays, shows minimal mildew. Its grapes are acceptable for winemaking. Crisp This milk-sprayed vine also […]
By Janet Raloff -
Agriculture
Apple pests stand up to antibiotics
Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.
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Agriculture
Cocoa yields are mushrooming—downward
A mushroom epidemic in Brazilian cacao trees, which has cut the production of cacao by 25 percent in 5 years, may be treatable with another fungus.
By Janet Raloff -
Agriculture
Afghanistan’s Seed Banks Destroyed
On Sept. 10, scientists in Kabul reported the loss of Afghanistan’s principal agricultural insurance policy: two stores of carefully collected seeds, materials selected to represent the genetic diversity of native crops. Here, some of the wheat seed brought into the country by a convoy, this spring, is being stored pending redistribution to Afghan farmers. USAID […]
By Janet Raloff -
Agriculture
Sprawling over croplands
Satellite imagery indicates that sprawling urban development has been disproportionately gobbling up those lands best able to support crops.
By Janet Raloff -
Agriculture
Killer bees boost coffee yields
Even self-pollinating coffee plants benefit substantially from visits by insect pollinators.
By Janet Raloff -
Agriculture
Slugging It Out with Caffeine
Anyone who has raised tomatoes in a moist environment knows the tell-tale sign: Overnight, a ripe, juicy orb sustains a huge, oozing wound. If you arrive early, you might catch the dastardly culprit: a slug. In one test, scientists sprayed soil with dilute caffeine and then watched as slugs, like this one, made haste to […]
By Janet Raloff -
Agriculture
Moos, microbes, and methane
A feed additive could reduce methane emissions from cows.
By John Travis