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- [7] Net returns from no-till doublecrop winter wheat and irrigated soybean on a clay soilJOURNAL OF PRODUCTION AGRICULTURE, 1996, 9 (04): : 554 - 558Heatherly, LGElmore, CDWesley, RASpurlock, SR
- [8] PERENNIAL VINE CONTROL IN MULTIPLE CROPPING SYSTEMS ON A CLAY SOILWEED TECHNOLOGY, 1989, 3 (02) : 282 - 287ELMORE, CDHEATHERLY, LGWESLEY, RA
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- [10] Impact of cropping systems on soil erosion in the clay hills of Central ItalySUSTAINABLE LAND MANAGEMENT - ENVIRONMENTAL PROTECTION: A SOIL PHYSICAL APPROACH, 2002, 35 : 471 - 480Roggero, PPToderi, M