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Ngôn ngữ: English
Tác giả: Jacob Calvin Cooper,
Thể loại: Khoa học đời sống,
Đang phát
[1/13] A Coming Industry of Great National Importance
Although published to promote the business of walnut production, this short volume describes the current science and practice of growing walnuts in the early twentieth century with particular reference to the state of Oregon. - Summary by Larry Wilson