28 



NON IRRIGATED WHEAT & BARLEY BY CROPPING PRACTICE 



WINTER WHEAT 



SUMHERFALLOW CONTINUOUSLY CROPPED 



Year 



1977. 

 1978. 

 1979. 

 1980. 

 1981. 



1982. 

 1983 . 

 1984. 

 1985. 

 1986. 



HARD SPRING WHEAT 



SUMHERFALLOW 



CONTINUOUSLY CROPPED 



Year 



1977. 

 1978. 

 1979. 

 1980. 

 1981. 



1982. 

 1983. 

 1984. 

 1985. 

 1986. 



DURUM WHEAT 



SUHMERFALLOW 



CONTINUOUSLY CROPPED 



Year 



1977. 

 1978. 

 1979. 

 1980. 

 1981. 



1982. 

 1983. 

 1984. 

 1985. 

 1986. 



Year 



1977 . 

 1978. 

 1979. 

 1980. 

 1981. 



1982. 

 1983. 

 1984, 

 1985. 

 1986. 



