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  1. 1

    Performance of sweetpotato (Ipomoea batatas [L] Lam.) varieties grown at different tillage systems 著者: Calanza, Fidel B.

    論文

    Performance of sweetpotato (Ipomoea batatas [L] Lam.) varieties grown at different tillage systems
  2. 2

    Tillage and N Impact on Wheat Production and N Efficiency under Rice-Wheat Cropping System in Northwestern Pakistan 著者: Usman, Khalid

    論文

    Tillage and N Impact on Wheat Production and N Efficiency under Rice-Wheat Cropping System in Northwestern Pakistan
  3. 3

    Pre-tillage saves water for rainfed ricelands 著者: Abello, Melpha M.

    出版年 Agriculture (2007)
    論文

    Pre-tillage saves water for rainfed ricelands
  4. 4

    Intensive cropping efficient use of water, nutrients, and tillage

    出版事項 2000
    図書

    Intensive cropping efficient use of water, nutrients, and tillage
  5. 5

    Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform]. 著者: Castroverde, Yolanda LUmanug 1951-

    出版事項 1980
    Visual Material

    Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform].
  6. 6

    Tillage techniques and planting methods for lowland rice [microform] 著者: Mabbayad, Basilio B. 1937-

    出版事項 1977
    Visual Material

    Tillage techniques and planting methods for lowland rice [microform]
  7. 7

    Design, construction, and testing of a cable system for tillage operation in wetland rice paddies [microform]. 著者: Angod, Mangompia U. 1944-

    出版事項 1977
    Visual Material

    Design, construction, and testing of a cable system for tillage operation in wetland rice paddies [microform].
  8. 8

    Circular sobre roturaciones 著者: Sibal, Marcelo

    出版事項 1977
    Visual Material

    Circular sobre roturaciones
  9. 9

    A profile of power tiller manufacturing and distribution activities in the Philippines 著者: Juarez, Fleurdeliz

    出版事項 1976
    図書

    A profile of power tiller manufacturing and distribution activities in the Philippines
  10. 10

    A profile of power tiller manufacturing and distribution activities in the Philippines.

    出版事項 1976
    図書

    A profile of power tiller manufacturing and distribution activities in the Philippines.

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