Relation of Weather to Crops 79 



of time required to produce a crop. Under favorable conditions 

 and with an optimum water supply, a grain crop of feterita can be 

 produced in 90 days. Under dry-farming Feterita is a very valuable 

 crop for forage or grain, when necessaiy to plant as late as July. 

 Early planting is not recommended for this crop under irrigation or 

 dry-farming, unless two crops are desired in one reason. The Kafirs 

 are superior for forage and where that is desired and planting car 

 be done in March or April, they are to be preferred to Feterita. 

 The greatest value of Feterita will come through its use as a dry- 

 farming crop for summer planting. 



Shallu (Egyptian Wheat) 



Shallu is one of the broom corn sorghums. It is not extensively 

 grown in Arizona. Some of it is grown under irrigation for chicken 

 feed. As a forage plant it is not equal to the Kafirs or to the Milos. 

 It was introduced from India. It is not recommended for dry land 

 farming in this State. Under irrigation planting should be made 

 in April and May. 



Kowliang 



Kowliang is another broom corn sorghum recently introduced 

 from China and Manchuria. It will grow farther north than some 

 other grain sorghums. Kowliang should be planted in April or May 

 under irrigation, and as early as frost will permit under dry-farming- 



GRAPES 



The European, or vinifera, grape is admirably suited to the 

 southern part of the State. Almost any of these vinifera varieties, 

 including table, raisin, and wine grapes, will develop well, but in 

 this State table grapes interest us more than the wine or raisin 

 varieties. Our weather does not permit of raisin making in some 

 seasons, and the law will not allow us to make wine. The char- 

 acteristics of the European grape in our hot valleys are early ripen- 

 ing and high sugar content. Our grapes become sweet before they 

 are ripe, which results in too early picking by the grower. 



Successful European grape culture requires a long growing 

 season, such as is generally found at elevations below 5000 feet 

 in the southern half of the State, and under 4000 feet in the northern 

 half of the State. Grapes will grow in a variety of soils and with 

 moderate irrigation. An easily worked soil is preferred. Vines 



