Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System
The effects of tillage and preceding legume crops on N flux in the soil–plant system require quantification for developing sustainable cropping systems. We measured changes in soil and plant N under the influence of tillage [no till (NT) vs. conventional tillage (CT)] and previous crops [spring whea...
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crwiley:10.2134/agronj2001.934842x 2023-12-03T10:22:48+01:00 Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System Soon, Yoong Kee Clayton, George W. Rice, Wendell A. 2001 http://dx.doi.org/10.2134/agronj2001.934842x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2134%2Fagronj2001.934842x https://onlinelibrary.wiley.com/doi/pdf/10.2134/agronj2001.934842x https://onlinelibrary.wiley.com/doi/full-xml/10.2134/agronj2001.934842x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Agronomy Journal volume 93, issue 4, page 842-849 ISSN 0002-1962 1435-0645 Agronomy and Crop Science journal-article 2001 crwiley https://doi.org/10.2134/agronj2001.934842x 2023-11-09T14:34:11Z The effects of tillage and preceding legume crops on N flux in the soil–plant system require quantification for developing sustainable cropping systems. We measured changes in soil and plant N under the influence of tillage [no till (NT) vs. conventional tillage (CT)] and previous crops [spring wheat ( Triticum aestivum L.), red clover ( Trifolium pratense L.) green manure, and field pea ( Pisum sativum L.)]. The study was conducted from 1994 through 1996 on a well‐drained sandy loam soil (coarse‐loamy, mixed, frigid, Typic Cryoboralf) near Fort Vermilion, Alberta (58°23′N, 116°2′W). Nitrogen uptake by wheat was increased by NT and legume crops. At seeding, CT soil had 28 kg ha −1 more NO 3 –N to 100‐cm depth than NT soil. Apparent net N mineralization in the growing season was 71 and 22 kg N ha −1 , respectively, for the NT and CT systems. Previous crop effect on net N mineralization (kg N ha −1 ) was red clover (56) > field pea (51) > wheat (34). Approximately 18 kg N ha −1 was net‐mineralized from red clover residues compared with insignificant amounts from pea and wheat residues. Microbial biomass turnover's contribution to net N mineralization (28 to 40 kg N ha −1 ) was increased by NT and previous legume crop. Soluble organic N decreased by 7 kg ha −1 between seeding and maturity for all experimental treatments. The results indicate that N fertilizer recommendations should allow for greater mineralization of organic N under NT than CT and following a legume green manure. Article in Journal/Newspaper Fort Vermilion Wiley Online Library (via Crossref) Fort Vermilion ENVELOPE(-116.007,-116.007,58.392,58.392) Agronomy Journal 93 4 842 849 |
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Open Polar |
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Wiley Online Library (via Crossref) |
op_collection_id |
crwiley |
language |
English |
topic |
Agronomy and Crop Science |
spellingShingle |
Agronomy and Crop Science Soon, Yoong Kee Clayton, George W. Rice, Wendell A. Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
topic_facet |
Agronomy and Crop Science |
description |
The effects of tillage and preceding legume crops on N flux in the soil–plant system require quantification for developing sustainable cropping systems. We measured changes in soil and plant N under the influence of tillage [no till (NT) vs. conventional tillage (CT)] and previous crops [spring wheat ( Triticum aestivum L.), red clover ( Trifolium pratense L.) green manure, and field pea ( Pisum sativum L.)]. The study was conducted from 1994 through 1996 on a well‐drained sandy loam soil (coarse‐loamy, mixed, frigid, Typic Cryoboralf) near Fort Vermilion, Alberta (58°23′N, 116°2′W). Nitrogen uptake by wheat was increased by NT and legume crops. At seeding, CT soil had 28 kg ha −1 more NO 3 –N to 100‐cm depth than NT soil. Apparent net N mineralization in the growing season was 71 and 22 kg N ha −1 , respectively, for the NT and CT systems. Previous crop effect on net N mineralization (kg N ha −1 ) was red clover (56) > field pea (51) > wheat (34). Approximately 18 kg N ha −1 was net‐mineralized from red clover residues compared with insignificant amounts from pea and wheat residues. Microbial biomass turnover's contribution to net N mineralization (28 to 40 kg N ha −1 ) was increased by NT and previous legume crop. Soluble organic N decreased by 7 kg ha −1 between seeding and maturity for all experimental treatments. The results indicate that N fertilizer recommendations should allow for greater mineralization of organic N under NT than CT and following a legume green manure. |
format |
Article in Journal/Newspaper |
author |
Soon, Yoong Kee Clayton, George W. Rice, Wendell A. |
author_facet |
Soon, Yoong Kee Clayton, George W. Rice, Wendell A. |
author_sort |
Soon, Yoong Kee |
title |
Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
title_short |
Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
title_full |
Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
title_fullStr |
Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
title_full_unstemmed |
Tillage and Previous Crop Effects on Dynamics of Nitrogen in a Wheat–Soil System |
title_sort |
tillage and previous crop effects on dynamics of nitrogen in a wheat–soil system |
publisher |
Wiley |
publishDate |
2001 |
url |
http://dx.doi.org/10.2134/agronj2001.934842x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2134%2Fagronj2001.934842x https://onlinelibrary.wiley.com/doi/pdf/10.2134/agronj2001.934842x https://onlinelibrary.wiley.com/doi/full-xml/10.2134/agronj2001.934842x |
long_lat |
ENVELOPE(-116.007,-116.007,58.392,58.392) |
geographic |
Fort Vermilion |
geographic_facet |
Fort Vermilion |
genre |
Fort Vermilion |
genre_facet |
Fort Vermilion |
op_source |
Agronomy Journal volume 93, issue 4, page 842-849 ISSN 0002-1962 1435-0645 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.2134/agronj2001.934842x |
container_title |
Agronomy Journal |
container_volume |
93 |
container_issue |
4 |
container_start_page |
842 |
op_container_end_page |
849 |
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1784270777034473472 |