Book: ... Productive plant husbandry; a text-book for high schools, including plant propagation, plant breeding, soils, field crops gardening, fruit growing, forestry, insects, plant diseases and farm managementChapter 1

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«... Productive plant husbandry; a text-book for high schools, including plant propagation, plant breeding, soils, field crops gardening, fruit growing, forestry, insects, plant diseases and farm management»

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