26 



NON IRRIGATED WHEAT & BARLEY BY CROPPING PRACTICE 



WINTER WHEAT 



SUMH ERF ALLOW 



Year 



1978. 

 1979. 

 1980. 

 1981. 

 1982. 



1983. 

 1984. 

 1985. 

 1986. 

 1987. 



CONTINUOUSLY CROPPED 



HARD SPREVJG WHEAT 



SUMMERF ALLOW 



CONTINUOUSLY CROPPED 



Year 



1978. 

 1979. 

 1980. 

 1981. 

 1982. 



1983. 

 1984. 

 1985. 

 1986. 

 1987. 



DURUM WHEAT 



SUMMERF ALLOW 



Year 



1978. 

 1979. 

 1980. 

 1981. 

 1982. 



1983. 

 1984. 

 1985. 

 1986. 

 1987. 



Year 



1978. 

 1979. 

 1980. 

 1981. 

 1982. 



1983. 

 1984. 

 1985. 

 1986. 

 1987. 



CONTINUOUSLY CROPPED 



CONTINUOUSLY CROPPED 



