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41. Potassium In Agriculture
The influence of potassium on plant nutrition and soil.
http://www.potash-info.com/home.htm - 16-02-2001 - [detailed information]
Rating: [4.00] Votes: [1595]
  
42. Potentially beneficial effects from liming
A university lecture describing the physical and chemical effects of liming on different soil types.
http://pubpages.unh.edu/~harter/mclean.htm - 20-11-2002 - [detailed information]
Rating: [4.00] Votes: [1173]
  
43. Preplant Soil Nitrate Tests
Description of tests that allow farmers to adjust nitrogen applications to meet the needs of each specific field.
http://www.wisc.edu/cias/pubs/briefs/002.html - 12-03-2001 - [detailed information]
Rating: [4.00] Votes: [630]
  
44. Rebuilding Lost Soil Fertility
Measures to improve soils suited to farmers in the third world.
http://www.ileia.org/2/nl13-3.html - 03-02-2001 - [detailed information]
Rating: [4.00] Votes: [1303]
  
45. Recommended soil testing procedures
Describes important soil tests and explains how to perform and interpret them.
http://ag.udel.edu/extension/information/prod%5Fagric/title%2D95.html - 28-09-2003 - [detailed information]
Rating: [4.00] Votes: [606]
  
46. Soil acidity and liming
A factsheet describing the negative effects of soil pH and how to counter them.
http://www.gov.on.ca/OMAFRA/english/crops/facts/91-086.htm - 06-04-2001 - [detailed information]
Rating: [4.00] Votes: [1843]
  
47. Soil Conservation and Fertility Management
A detailed description from the International Centre for Integrate Mountain Development. Its main focus is on mountain soils and sloped agricultu
http://www.icimod.org/focus/soil/soil_toc.htm - 28-04-2002 - [detailed information]
Rating: [4.00] Votes: [28]
  
48. Soil Fertility
Answers questions related to the enhancement and maintenance of soil fertility.
http://www.seafriends.org.nz/enviro/soil/fertile.htm - 09-08-2003 - [detailed information]
Rating: [4.00] Votes: [2440]
  
49. Soil Fertility
Application recommendations for different fertilizers.
http://www.rce.rutgers.edu/horsepastures/soil_fertility.htm - 08-06-2003 - [detailed information]
Rating: [4.00] Votes: [1006]
  
50. Soil Fertility & Crop Nutrition
A list of factsheet, infosheets and publications available for download or for ordering. These give details about fertilization of diff
http://www.gov.on.ca/OMAFRA/english/crops/soils/fertility.html - 09-04-2000 - [detailed information]
Rating: [4.00] Votes: [1741]
  

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