标签：Feedi - 英国华人论坛

Plants require a variety of nutrients and minerals in order to grow strong and healthy. Plants make food using a biochemical process and elements such as phosphorous, nitrogen and potassium are essential. Other nutrients such as magnesium, c...英国华人论坛

Feeding the Hummingbirds© LeAnn R. Ralph 2004Early in May here in west central Wisconsin, I can count on seeing a Ruby Throated Hummingbird hovering in front of my kitchen window, flitting back and forth, as if to say, "there was a hummingb...英国华人论坛