31. Mana is the primary producer of rice in French Guiana, which it exports to Suriname. 32. Colima is the primary producer of limes in Mexico. 33. Primary producers , such as phytoplankton, uptake these heavy metals and accumulate them into their cells.34. In oceanography and limnology the primary producers in aquatic environments are phytoplankton utilizing energy from sunlight. 35. Connor was a farmer and veterinarian at Parliament House should be spent on primary producers instead. 36. Kansas is the primary producer of hard red winter wheat, which is used to make bread. 37. At the Wilfred Russell, the Primary Producers Candidate. 38. They include 1707 primary producers , 719 processors and manufacturers, 141 wholesalers and retailers plus other operators. 39. The base of the food chain ( primary producers or detritivores ) is set at zero. 40. Phytoplankton are key primary producers in estuaries.