21. Whites own a third of the nation's productive land before seizures began in 2000. 22. Whites owned a third of the nation's productive land before seizures began in 2000. 23. To retain the productive land , drainage channels, known locally as sewers, were created. 24. About 4, 000 white farmers own about one third of the nation's productive land . 25. Some 4, 000 white farmers own about a third of the country's productive land . 26. In 2007, around 7 % of all New Zealand agriculturally productive land was foreign-owned. 27. Many depopulated villages were re-settled and re-populated, especially those with productive lands . 28. Bow Island is surrounded by 110, 000 acres ( 445 km?) of highly productive lands . 29. It divided all land into seven classes and again allowed for larger holdings of less productive land . 30. In the decade of the 2010s there have been several Uruguayan investors purchasing productive land in Paraguay.