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<br /> Table 47. Partition of crop acreage on different soil drainage classes. <br />':":l San Diego County. <br />-:".) <br />~ DraInage class Slow- <br /><.:,) Crop Rapid Moderate <br />.-, <br />00 Citrus <br /> Grapefruit 77 348 230 <br /> Lemon 373 1670 1115 <br /> Lime 38 172 115 <br /> Orange, Navel 135 606 404 <br /> Orange. Valencia 1115 5010 3340 <br /> Tanger I ne 126 566 378 <br /> Potato 325 300 <br /> Strawberry 635 <br /> Tomato <br /> Spri ng 46 417 556 <br /> Summer 15 135 180 <br /> Fall 142 1283 1710 <br /> Avocado 6027 7232 <br /> <br />Table 48. Effective values of soil saturation extract conductivities in <br />3 drainage classes, 3 management systems, and 6 TDS contents of water. <br />TDS irrigation Dralnaqe class <br /> method Rapid Moderate Slow <br />900 Surface 0.4 0.7 3.0 <br /> Sprinkler 0.0 0.0 2.1 <br /> TrickIer 0.3 <br />1000 Surface 0.7 1.0 3.5 <br /> Sprinkler 0.0 0.2 2.7 <br /> Trl ckler 0.5 <br />1100 Surface 0.9 1.3 4.0 <br /> Sprinkler 0.0 0.5 3.3 <br /> TrickIer 0.6 0.6 <br />1200 Surface J .2 1.5 4.5 <br /> Sprinkler 0.0 0.8 3.8 <br /> TrickIer 0.8 0.8 <br />1300 Surface 1.5 1.8 5. I <br /> Sprinkler 0.2 1.2 4.4 <br /> TrickIer 0.9 0.9 <br />1400 Surface 1.7 2.1 5.6 <br /> Sp rink I er 0.4 1.5 5.0 <br /> TrickIer 1.1 1.1 <br /> <br />50 <br />