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Sumber Informasi Tagged: Fertilizers Handbooks And Manuals

2 item ditemukan (Menampilkan 1 - 2)

  1. Soils, crops, and fertilizer use

    10 Januari 1986 This field manual for development workers is desgned for those working with limited resource farmers and gardeners. It is well suited as a high school or university textbook. 338 pages, illustrations
    Fertilizers-Handbo... Subsistence Farming

  2. The Farmer's fertilizer handbook: how to make your own NPK recommendation-- and make them pay

    01 Januari 1986
    Fertilizers-Handbo...