New hardy varieties of rice show promise of producing high yields without costly requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties.
A) requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties.
B) requirements by earlier high-yielding varieties of application of commercial fertilizer and irrigation.
C) requirements for application of commercial fertilizer and irrigation of earlier high-yielding varieties.
D) application of commercial fertilizer and irrigation that was required by earlier high-yielding varieties.
E) irrigation and application of commercial fertilizer that were required by earlier high-yielding varieties.
OG answer - E. Could you please explain the grammatical glitch?
Thanks