<P> "The cultivation of the orange, introduced by the Arabs before the commencement of Jewish settlement, has developed to a very great extent in consequence of that settlement . There is no doubt that the pitch of perfection to which the technique of plantation and cultivation of the orange and grapefruit have been brought in Palestine is due to the scientific methods of the Jewish agriculturist ." </P> <P> Partnerships in growing and exporting these oranges was an example of Palestinian - Jewish cooperation despite rising political tensions . </P> <P> At the end of 1928, Jews owned 30,000 dunams of the country's 60,000 dunams of orange orchards . Whereas before World War I, the price of a dunam of land in a fruitful orange grove was 50 - 75 pounds sterling, by 1929, the same groves were selling for 150 - 200 pounds sterling . </P> <P> By 1939, Jewish and Palestinian orange orchards in Palestine covered 75,000 acres (300 km), employed over 100,000 workers, and their produce was a primary export . During World War II (1939--1945) citrus - growing declined, but recovered after the war with the vigorous assistance of the British Mandate authorities . </P>

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