Introduction: The concept of foliar nutrition and its relationship with yield is not new. Nutrients, especially the micronutrients when applied as foliar spray, exert pronounced influence on plant growth and yield. Such micronutrients are in use for improving the growth and yield of crops.
Sarmah, S. C. and Dey, S. C.
"Research Notes : India : Response of soybean (Glycine max (L.) Merrill) to foliar application of some growth regulators and in combination with urea and potash,"
Soybean Genetics Newsletter: Vol. 13
, Article 18.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol13/iss1/18