ABSTRACT
The individual plant is the complex resultant of two forces, heredity and environment. The natural environment, consisting of soil and climate, is a pronounced factor in the growth of wheat, independent of the artificial modifications known as cultivation. There are mechanical and chemical differences in soil that exert a varying influence upon the quantity and quality of wheat. The soil has been a great factor in determining the distribution of wheat. Climate varies from year to year in any locality, and it is well known that this causes corresponding variations in wheat, even under similar soil conditions. Many characteristics of wheat are due to the combined influences of soil and climate. Environments that differ widely are characterized by peculiar varieties of wheat varying in composition and physical appearance. Good seed of any of the different classes of wheat may generally be procured from the section in which that class is most commonly grown.
