(Read Preface) 



REQUIREMENTS AI^l? IvIETHODS OF GROWING THE ORANGE 



Climatic Requirements- 



In General: Freedom ^rora frosts: warm weather in summer, somev/hat 



tempered. 



75 



Soil Requirements- 



Surface 

 Subsoil 



Depth 



Nearly level, rich, fertile clay loam, easily worked. 

 Open, no hardpan, no black alkali. Lighter than surface, 

 5' or more. 



Water Requirements - 



Constant supply of moisture, tree is evergreen and 



a heavy user of water. Total of 36 ' acre inches 



from rainfall and irrigation. (Ranges, however, 

 from 12 to 80") 



Setting Out and Caring for Orchard to Maturity- 



X 2'. 



22' 



90 



February - May 



7-8 years' 



10 - 15 years 



Distance Apart of Tress 



Average Number per Acre 



Time of Planting Out 



Age to Self- Sustaining Crop 



Age to Maturity 



Host Popular Varieties 



Valencia 



Washington Navel 

 Length of Profitable Life : Estimated 50 years. 



Calendar of Operations to Maturity: 



Irrigation : To keep constant moisture supply available all 



year round. This means irrigating every 



Pruning 



4 to 8 weeks from May to November while 

 trees are small. 



V/hen done, trees, pruned to shapely head 2nd year 

 during February, then dead limbs annually 

 cut out and suckers 3Jid water sprouts 

 shortened or removed* 



Fertilizing : As coils lack body they need chemical fertilizers, 



manures, and green manure crops. Fertilizers 

 put on in fall and spring; green manure 

 crops grown from September to February or 

 liarch, when plowed under. 



Spraying : Depends on presence of fungi or insects. 



