| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
|
|
|
|||||||
|
|||||||||
Dep. of Agron., Universitas Lampung, Bandar Lampung, Lampung, Indonesia
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40546-0091
* Corresponding author.
Nitrogen fertility management is often complicated by inadequate supply, low efficiency, high losses, and the potential of polluting water resources. This study was conducted in 1984 and 1985 on a Maury soil (fine, mixed, mesic Typic Paleudalfs) in Kentucky to determine the role of a hairy vetch (Vicia villosa Roth) cover crop in sustaining soil N for corn (Zea mays L.) under no-tillage and conventional tillage. Winter cover treatments of hairy vetch, rye (Secale cereal L.), and corn residue were combined factorially with N rates of 0, 85, and 170 kg ha–1 in the two tillage systems. Total soil C and N in the 0- to 7.5-cm depth, averaged across treatments and sampling dates, were 21.8 and 2.07 g kg–1, respectively, in no-tillage and 16.6 and 1.70 g kg–1 in conventional tillage. Values were 19.8 and 1.99 g kg–1, respectively, with hairy vetch and 18.8 and 1.80 g kg–1 with rye. Conventional tillage caused rapid mineralization of soil N, as indicated by greater inorganic N approximately 6 wk after plowing. Nitrate apparently leached deeper into the soil under no-tillage than conventional tillage. Grain yield without N on the vetch treatment was essentially equal to yields with 170 kg N ha–1 on the rye or corn residue treatments—6.75, 6.75, and 6.65 Mg ha–1, respectively. Grain yield with vetch and 170 kg N ha–1 was 7.85 Mg ha–1. Although vetch provided a substantial amount of N, results suggested that to obtain optimum corn yields N fertilization should be reduced little, if any, with a vetch cover crop. Vetch appeared to add grain yield instead of reduce the need for N fertilizer.
Received for publication September 11, 1989.
This article has been cited by other articles:
|
|
 |
|
  T. C. Kaspar, T. B. Parkin, D. B. Jaynes, C. A. Cambardella, D. W. Meek, and Y. S. Jung Examining Changes in Soil Organic Carbon with Oat and Rye Cover Crops Using Terrain Covariates Soil Sci. Soc. Am. J., May 23, 2006; 70(4): 1168 - 1177. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 C. M. Cherr, J. M. S. Scholberg, and R. McSorley Green Manure Approaches to Crop Production: A Synthesis Agron. J., February 7, 2006; 98(2): 302 - 319. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 F. E. Miguez and G. A. Bollero Review of Corn Yield Response under Winter Cover Cropping Systems Using Meta-Analytic Methods Crop Sci., September 23, 2005; 45(6): 2318 - 2329. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
U. M. Sainju, W. F. Whitehead, and B. P. Singh Biculture Legume-Cereal Cover Crops for Enhanced Biomass Yield and Carbon and Nitrogen Agron. J., September 19, 2005; 97(5): 1403 - 1412. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
D. J. Boquet, R. L. Hutchinson, and G. A. Breitenbeck Long-Term Tillage, Cover Crop, and Nitrogen Rate Effects on Cotton: Yield and Fiber Properties Agron. J., September 1, 2004; 96(5): 1436 - 1442. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
D. J. Boquet, R. L. Hutchinson, and G. A. Breitenbeck Long-Term Tillage, Cover Crop, and Nitrogen Rate Effects on Cotton: Plant Growth and Yield Components Agron. J., September 1, 2004; 96(5): 1443 - 1452. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
D. W. Sweeney and J. L. Moyer In-Season Nitrogen Uptake by Grain Sorghum following Legume Green Manures in Conservation Tillage Systems Agron. J., March 1, 2004; 96(2): 510 - 515. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
H. Smeltekop, D. E. Clay, and S. A. Clay The Impact of Intercropping Annual 'Sava' Snail Medic on Corn Production Agron. J., July 1, 2002; 94(4): 917 - 924. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
T. Griffin, M. Liebman, and J. Jemison Jr. Cover Crops for Sweet Corn Production in a Short-Season Environment Agron. J., January 1, 2000; 92(1): 144 - 151. [Abstract] [Full Text]
|
|
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
| The SCI Journals | Crop Science | Vadose Zone Journal | |||
| Journal of Natural Resources and Life Sciences Education |
Soil Science Society of America Journal | ||||
| Journal of Plant Registrations | Journal of Environmental Quality |
The Plant Genome | |||
