31. The presence of certain versions of wheat genes has been important for crop yields . 32. If agribusiness can plant food that is pest-resistant, then crop yields will grow accordingly. 33. Additionally, properly spaced and pruned trees can increase crop yields . 34. Notions that crop yield will be lower underpinned the buying, with soybeans'rise also contributing. 35. Heavy rains in Colombia and Central America damaged coffee trees and reduced crop yields . 36. Heavy rain in Colombia and Central America damaged coffee trees and reduced crop yields . 37. BASE YIELDS : Historic crop yields used to calculate government payments on base acres. 38. And come harvest season, still other devices will calculate crop yields in real time. 39. Current prices could go higher, depending on eventual crop yields . 40. These variations can have a major impact on crop yield .
