21. However, problems associated with declining agricultural productivity and poor farming techniques still were prevalent. 22. The Obama administration pledged $ 3.5 billion over three years to boost agricultural productivity . 23. He cited a 55-60 percent decrease in commercial agricultural productivity this year over previous ones. 24. The departure of Portuguese farmers and traders from rural Angola after independence undermined agricultural productivity . 25. Agricultural productivity rapidly took hold in the area due to the rich, black muck soil.26. Creating high agricultural productivity despite old methods of cultivation. 27. The introduction of two methods of irrigation may have been responsible for improving agricultural productivity . 28. Household headship plays an important role in agricultural productivity . 29. For many farmers ( especially in non-industrial countries ) agricultural productivity may mean much more. 30. Sales in the Agricultural Productivity segment dropped to dlrs 636 million from dlrs 808 million.
