//-->
Crop - wheat
(1992)
The odds of macronutrient soil deficiency influencing the wheat crop : productivity in Indian Punjab : a maximum likelihood analysis
Kiran, Tanvi, (2016)
Are fungicides, nitrogen and plant growth regulators risk-reducing? : Empirical evidence from Swiss wheat production
Regev, Uri, (1997)
Optimal Input Use When Inputs Affect Price and Yield
Smith, Elwin G., (2003)
An Innovative Approach for Modeling Crop Yield Response to Fertilizer Nutrients
Upadhyay, Bharat Mani, (2006)
CROPPING DIVERSITY AND FARM PROGRAMS
Smith, Elwin G., (2000)