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  1. Fertilizer use by crop in Pakistan

  2. Fertilizer use by crop in the Islamic Republic of Iran

  3. Organic Agriculture: A Global Perspective

  4. The lychee crop in Asia and the Pacific

  5. Effects of organic matter input on soil microbial properties and crop yields in conventional and organic cropping systems

  6. The Use of Winter Legumes in the Southeastern States

  7. Effect of Alfalfa and Farm Manure on Yields of Irrigated Crops in the Great Plains

  8. Fertilizer use by crop in Cuba

  9. Experiments With Forage Crops at the Fort Hays Branch Station, Hays, Kans., 1913 to 1928

  10. Fertilizer Experiments With Rice In California