Rose gardeners have a lot to say about aphids. Some may advise insecticides as a way to manage an infestation, but others will swear by live ladybugs. The latter is more environmental friendly, and once the ladybugs run out of food, they move on. While this strategy may work in someone's backyard, it's not an option on a large farm and a new paper argues how to scale up.
from Strange & Offbeat News -- ScienceDaily http://ift.tt/1Z3fDFo
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