GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 05CC7153XG3Q3IJ8J

The author of the passage would most likely agree that the widespread use of N-P-K fertilizers A. has encouraged plant breeders to select for yield rather than other characteristics B. caused early agronomists to ignore the importance of biological activity in soils C. has diverted attention away from the nutritional value of crops D. spurred attempts to reproduce the effect of microbial activity in the soil E. has resulted in plants that are less hardy