Application time, forms of fertilizer and methods of application to be considered when applying fertilizer to wheat.
http://ianrpubs.unl.edu/FieldCrops/g889.htm
Lectures about soil surveys, soil texture, soil acidity and soil fertility. Information about liming, fertilization and soil testing with particular reference to forestry.
http://syllabus.syr.edu/esf/rdbriggs/for345/syllabus.htm
Lectures and Laboratory Units of the Soil Sciences Courses at the University of Minnesota. Influences on soil fertility are explained and simple soil tests are described.
http://www.soils.agri.umn.edu/academics/classes/soil2125/doc/labunts.htm
Magnesium/sulphur deficiency symptoms are widespread due to inappropriate nutrient management. This website offers not only details about the origin, properties and production of K...
http://www.kieserite.com/
Indian Agricultural Resources. Information about manures, organic, inorganic and biofertilizers.
http://www.indiaagronet.com/indiaagronet/Manuers_fertilizers/Manure_Fert.htm
Online programs that simulate the response of crops to fertilization, crop residue incorporation and consider the effects of time, soil type, cultural practice and weather. Downloa...
http://www.qpais.co.uk/npk/infoindx.htm
Describes the phosphorus (P)and potassium (K) soil testing and fertilizer recommendation system in Ontario, Canada.
http://www.omafra.gov.on.ca/english/crops/facts/97-005.htm
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