Does it make a difference whether a raspberry plant receives water from the top down or from the bottom up? Irrigation methods used in producing this fragile fruit vary regionally in the Northwest, where 80 percent of the popular berries originate. So researchers have evaluated two often-used methods in terms of plants' yield and susceptibility to root rot. They watered Meeker and Coho plants from overhead sprinklers or subsurface drip. They also over- and underwatered specific plants to observe those effects, as well.
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