Growth analysis of soybean under no-tillage and conventional tillage systems
Soybean [Glycine max (L.) Merrill] plants grown with no-tillage (NT) often appear smaller than those grown with conventional tillage (CT), yet they produce similar grain yield. Our objective was to test the hypothesis that the early-season growth depression is offset by compensatory growth and chang...
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| Veröffentlicht in: | Agronomy journal 1999-11, Vol.91 (6), p.928-933 |
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| creator | Yusuf, R.I Siemens, J.C Bullock, D.G |
| description | Soybean [Glycine max (L.) Merrill] plants grown with no-tillage (NT) often appear smaller than those grown with conventional tillage (CT), yet they produce similar grain yield. Our objective was to test the hypothesis that the early-season growth depression is offset by compensatory growth and changes in plant development. A 2-yr field study was conducted at Urbana, IL, on a long-term tillage experiment. Grain yield, moisture, protein, and oil content were similar for CT and NT treatments. Total plant, stem, leaf, and pod dry biomass were all initially about 15 to 20% greater under CT, but the difference declined until about R5 or R6; thus, compensatory growth did occur. At the initiation of sampling (V2) crop growth rate was about 20% greater under CT, but the difference declined until about R2. The advantage shifted to NT until about R6. Leaf area index (LAI) was greater for CT until about R4. Net assimilation rate was greater for NT until about R5. Increases in early-season crop growth rate for CT was due to increased LAI. Greater crop growth rate for NT late in the season was due to increased net assimilation rate. Leaf weight ratio was larger for the CT crop until about R6. Specific leaf area was less in CT than NT. This work supports our hypothesis that compensatory growth and alterations in plant development occur when soybean is grown in NT systems and helps to explain why grain yield does not decrease with NT even though early-season growth is affected. |
| doi_str_mv | 10.2134/agronj1999.916928x |
| format | Article |
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Merrill] plants grown with no-tillage (NT) often appear smaller than those grown with conventional tillage (CT), yet they produce similar grain yield. Our objective was to test the hypothesis that the early-season growth depression is offset by compensatory growth and changes in plant development. A 2-yr field study was conducted at Urbana, IL, on a long-term tillage experiment. Grain yield, moisture, protein, and oil content were similar for CT and NT treatments. Total plant, stem, leaf, and pod dry biomass were all initially about 15 to 20% greater under CT, but the difference declined until about R5 or R6; thus, compensatory growth did occur. At the initiation of sampling (V2) crop growth rate was about 20% greater under CT, but the difference declined until about R2. The advantage shifted to NT until about R6. Leaf area index (LAI) was greater for CT until about R4. Net assimilation rate was greater for NT until about R5. Increases in early-season crop growth rate for CT was due to increased LAI. Greater crop growth rate for NT late in the season was due to increased net assimilation rate. Leaf weight ratio was larger for the CT crop until about R6. Specific leaf area was less in CT than NT. This work supports our hypothesis that compensatory growth and alterations in plant development occur when soybean is grown in NT systems and helps to explain why grain yield does not decrease with NT even though early-season growth is affected.</description><identifier>ISSN: 0002-1962</identifier><identifier>EISSN: 1435-0645</identifier><identifier>DOI: 10.2134/agronj1999.916928x</identifier><identifier>CODEN: AGJOAT</identifier><language>eng</language><publisher>Madison: American Society of Agronomy</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; biomass ; compensatory growth ; crop yield ; cropping systems ; Cropping systems. Cultivation. Soil tillage ; field experimentation ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Glycine max ; growth ; growth rate ; height ; leaf area index ; leaves ; net assimilation rate ; no-tillage ; plant characteristics ; plant development ; pods ; protein content ; seed moisture ; Soil tillage ; soybean oil ; stems ; Tillage. Tending. Growth control</subject><ispartof>Agronomy journal, 1999-11, Vol.91 (6), p.928-933</ispartof><rights>Soil Science Society of America</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360X-72eb92091436b9c2006fea5e9808b5ae0f43466dbe54a476b9d2fb7f033ff8d73</citedby><cites>FETCH-LOGICAL-c360X-72eb92091436b9c2006fea5e9808b5ae0f43466dbe54a476b9d2fb7f033ff8d73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2134%2Fagronj1999.916928x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2134%2Fagronj1999.916928x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1332893$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yusuf, R.I</creatorcontrib><creatorcontrib>Siemens, J.C</creatorcontrib><creatorcontrib>Bullock, D.G</creatorcontrib><title>Growth analysis of soybean under no-tillage and conventional tillage systems</title><title>Agronomy journal</title><description>Soybean [Glycine max (L.) Merrill] plants grown with no-tillage (NT) often appear smaller than those grown with conventional tillage (CT), yet they produce similar grain yield. Our objective was to test the hypothesis that the early-season growth depression is offset by compensatory growth and changes in plant development. A 2-yr field study was conducted at Urbana, IL, on a long-term tillage experiment. Grain yield, moisture, protein, and oil content were similar for CT and NT treatments. Total plant, stem, leaf, and pod dry biomass were all initially about 15 to 20% greater under CT, but the difference declined until about R5 or R6; thus, compensatory growth did occur. At the initiation of sampling (V2) crop growth rate was about 20% greater under CT, but the difference declined until about R2. The advantage shifted to NT until about R6. Leaf area index (LAI) was greater for CT until about R4. Net assimilation rate was greater for NT until about R5. Increases in early-season crop growth rate for CT was due to increased LAI. Greater crop growth rate for NT late in the season was due to increased net assimilation rate. Leaf weight ratio was larger for the CT crop until about R6. Specific leaf area was less in CT than NT. This work supports our hypothesis that compensatory growth and alterations in plant development occur when soybean is grown in NT systems and helps to explain why grain yield does not decrease with NT even though early-season growth is affected.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>biomass</subject><subject>compensatory growth</subject><subject>crop yield</subject><subject>cropping systems</subject><subject>Cropping systems. Cultivation. Soil tillage</subject><subject>field experimentation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Glycine max</subject><subject>growth</subject><subject>growth rate</subject><subject>height</subject><subject>leaf area index</subject><subject>leaves</subject><subject>net assimilation rate</subject><subject>no-tillage</subject><subject>plant characteristics</subject><subject>plant development</subject><subject>pods</subject><subject>protein content</subject><subject>seed moisture</subject><subject>Soil tillage</subject><subject>soybean oil</subject><subject>stems</subject><subject>Tillage. Tending. Growth control</subject><issn>0002-1962</issn><issn>1435-0645</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqNkM1OwzAQhC0EEqXwAlzIgWvK-idOfKyqEqgqKgGVeoucxC6pUruyCyVvj6sUceW00ux8s6tB6BbDiGDKHuTaWbPBQoiRwFyQ7PsMDTCjSQycJedoAAAkxoKTS3Tl_QYAY8HwAM1zZw_7j0ga2Xa-8ZHVkbddqaSJPk2tXGRsvG_aVq5VMNVRZc2XMvvGBiD6XfjO79XWX6MLLVuvbk5ziJaP0_fJUzxf5M-T8TyuKIdVnBJVCgIi_MdLUREArpVMlMggKxOpQDPKOK9LlTDJ0uCpiS5TDZRqndUpHSLS51bOeu-ULnau2UrXFRiKYx_FXx_FqY8A3ffQTvpKttpJUzX-j6SUZIIG27S3HZpWdf8ILsb5jIzz18XL7Cj36irk3PU5WtojFU4t3whgCkQwBiSjP17YgWg</recordid><startdate>199911</startdate><enddate>199911</enddate><creator>Yusuf, R.I</creator><creator>Siemens, J.C</creator><creator>Bullock, D.G</creator><general>American Society of Agronomy</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199911</creationdate><title>Growth analysis of soybean under no-tillage and conventional tillage systems</title><author>Yusuf, R.I ; Siemens, J.C ; Bullock, D.G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360X-72eb92091436b9c2006fea5e9808b5ae0f43466dbe54a476b9d2fb7f033ff8d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>biomass</topic><topic>compensatory growth</topic><topic>crop yield</topic><topic>cropping systems</topic><topic>Cropping systems. Cultivation. Soil tillage</topic><topic>field experimentation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>Glycine max</topic><topic>growth</topic><topic>growth rate</topic><topic>height</topic><topic>leaf area index</topic><topic>leaves</topic><topic>net assimilation rate</topic><topic>no-tillage</topic><topic>plant characteristics</topic><topic>plant development</topic><topic>pods</topic><topic>protein content</topic><topic>seed moisture</topic><topic>Soil tillage</topic><topic>soybean oil</topic><topic>stems</topic><topic>Tillage. Tending. Growth control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yusuf, R.I</creatorcontrib><creatorcontrib>Siemens, J.C</creatorcontrib><creatorcontrib>Bullock, D.G</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Agronomy journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yusuf, R.I</au><au>Siemens, J.C</au><au>Bullock, D.G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Growth analysis of soybean under no-tillage and conventional tillage systems</atitle><jtitle>Agronomy journal</jtitle><date>1999-11</date><risdate>1999</risdate><volume>91</volume><issue>6</issue><spage>928</spage><epage>933</epage><pages>928-933</pages><issn>0002-1962</issn><eissn>1435-0645</eissn><coden>AGJOAT</coden><abstract>Soybean [Glycine max (L.) Merrill] plants grown with no-tillage (NT) often appear smaller than those grown with conventional tillage (CT), yet they produce similar grain yield. Our objective was to test the hypothesis that the early-season growth depression is offset by compensatory growth and changes in plant development. A 2-yr field study was conducted at Urbana, IL, on a long-term tillage experiment. Grain yield, moisture, protein, and oil content were similar for CT and NT treatments. Total plant, stem, leaf, and pod dry biomass were all initially about 15 to 20% greater under CT, but the difference declined until about R5 or R6; thus, compensatory growth did occur. At the initiation of sampling (V2) crop growth rate was about 20% greater under CT, but the difference declined until about R2. The advantage shifted to NT until about R6. Leaf area index (LAI) was greater for CT until about R4. Net assimilation rate was greater for NT until about R5. Increases in early-season crop growth rate for CT was due to increased LAI. Greater crop growth rate for NT late in the season was due to increased net assimilation rate. Leaf weight ratio was larger for the CT crop until about R6. Specific leaf area was less in CT than NT. This work supports our hypothesis that compensatory growth and alterations in plant development occur when soybean is grown in NT systems and helps to explain why grain yield does not decrease with NT even though early-season growth is affected.</abstract><cop>Madison</cop><pub>American Society of Agronomy</pub><doi>10.2134/agronj1999.916928x</doi><tpages>6</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences biomass compensatory growth crop yield cropping systems Cropping systems. Cultivation. Soil tillage field experimentation Fundamental and applied biological sciences. Psychology General agronomy. Plant production Glycine max growth growth rate height leaf area index leaves net assimilation rate no-tillage plant characteristics plant development pods protein content seed moisture Soil tillage soybean oil stems Tillage. Tending. Growth control |
| title | Growth analysis of soybean under no-tillage and conventional tillage systems |
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