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Foliar K application to rainfed wheat in a soil testing high K as an option to improve K use efficiency, grain yield and yield components
Granular application of potassium (K) in soils testing high is generally not recommended. However, the effect of foliar K on rainfed wheat (Triticum aestivum L.) under these soil conditions is largely unknown. The objective of this work was to identify the effect of K fertilizer on K use efficiency...
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| Published in: | Journal of plant nutrition 2020-05, Vol.43 (8), p.1080-1090 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c371t-e11f45e7830ddda3a1ed248d4f6bbfbe25ce73e37124c95c012500736f3d2513 |
| container_end_page | 1090 |
| container_issue | 8 |
| container_start_page | 1080 |
| container_title | Journal of plant nutrition |
| container_volume | 43 |
| creator | Limon-Ortega, Agustin Munguia-Lopez, Juan P. Espitia-Rangel, Eduardo |
| description | Granular application of potassium (K) in soils testing high is generally not recommended. However, the effect of foliar K on rainfed wheat (Triticum aestivum L.) under these soil conditions is largely unknown. The objective of this work was to identify the effect of K fertilizer on K use efficiency (KUE), grain yield and yield components of wheat. The data were collected until 2017 in an ongoing trial established in 2007 with eight treatments; two granular K rates (0 and 50 kg K ha
−1
); two foliar N rates (0 and 3 kg N ha
−1
); and two foliar K rates (0 and 3 kg K ha
−1
) in a split-split plot arrangement. Treatments were applied to the same plots each season. Treatment with foliar K resulted in the highest KUE response but the effect size varied according to the accumulated precipitation during the reproductive stage. On average, KUE was enhanced in crop seasons with water constrains ( |
| doi_str_mv | 10.1080/01904167.2020.1724301 |
| format | article |
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−1
); two foliar N rates (0 and 3 kg N ha
−1
); and two foliar K rates (0 and 3 kg K ha
−1
) in a split-split plot arrangement. Treatments were applied to the same plots each season. Treatment with foliar K resulted in the highest KUE response but the effect size varied according to the accumulated precipitation during the reproductive stage. On average, KUE was enhanced in crop seasons with water constrains (<179 mm) during the growth period but the converse was true as the amount of precipitation increased. In contrast, granular K had no effect on KUE irrespective of precipitation conditions. Application of foliar K increased grain yield as compared to granular K from 2988 to 3089 kg ha
−1
. This enhancement was attributed to an increased number of grains per head. Therefore, foliar K application to wheat is suitable in a soil testing high K to enhance KUE and grain yield, overall in crop seasons with water constrains.</description><identifier>ISSN: 0190-4167</identifier><identifier>ISSN: 1532-4087</identifier><identifier>EISSN: 1532-4087</identifier><identifier>DOI: 10.1080/01904167.2020.1724301</identifier><language>eng</language><publisher>Philadelphia: Taylor & Francis</publisher><subject>accumulated precipitation ; Agricultural production ; Crop yield ; Grain ; grain yield ; granular K ; plant nutrition ; potassium ; potassium fertilizers ; potassium use efficiency ; reproductive stage ; Seasons ; soil ; Soil conditions ; Soil testing ; Soils ; Triticum aestivum ; water shortage ; Wheat</subject><ispartof>Journal of plant nutrition, 2020-05, Vol.43 (8), p.1080-1090</ispartof><rights>2020 Taylor & Francis Group, LLC 2020</rights><rights>2020 Taylor & Francis Group, LLC</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-e11f45e7830ddda3a1ed248d4f6bbfbe25ce73e37124c95c012500736f3d2513</citedby><cites>FETCH-LOGICAL-c371t-e11f45e7830ddda3a1ed248d4f6bbfbe25ce73e37124c95c012500736f3d2513</cites><orcidid>0000-0001-8020-1344</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Limon-Ortega, Agustin</creatorcontrib><creatorcontrib>Munguia-Lopez, Juan P.</creatorcontrib><creatorcontrib>Espitia-Rangel, Eduardo</creatorcontrib><title>Foliar K application to rainfed wheat in a soil testing high K as an option to improve K use efficiency, grain yield and yield components</title><title>Journal of plant nutrition</title><description>Granular application of potassium (K) in soils testing high is generally not recommended. However, the effect of foliar K on rainfed wheat (Triticum aestivum L.) under these soil conditions is largely unknown. The objective of this work was to identify the effect of K fertilizer on K use efficiency (KUE), grain yield and yield components of wheat. The data were collected until 2017 in an ongoing trial established in 2007 with eight treatments; two granular K rates (0 and 50 kg K ha
−1
); two foliar N rates (0 and 3 kg N ha
−1
); and two foliar K rates (0 and 3 kg K ha
−1
) in a split-split plot arrangement. Treatments were applied to the same plots each season. Treatment with foliar K resulted in the highest KUE response but the effect size varied according to the accumulated precipitation during the reproductive stage. On average, KUE was enhanced in crop seasons with water constrains (<179 mm) during the growth period but the converse was true as the amount of precipitation increased. In contrast, granular K had no effect on KUE irrespective of precipitation conditions. Application of foliar K increased grain yield as compared to granular K from 2988 to 3089 kg ha
−1
. This enhancement was attributed to an increased number of grains per head. Therefore, foliar K application to wheat is suitable in a soil testing high K to enhance KUE and grain yield, overall in crop seasons with water constrains.</description><subject>accumulated precipitation</subject><subject>Agricultural production</subject><subject>Crop yield</subject><subject>Grain</subject><subject>grain yield</subject><subject>granular K</subject><subject>plant nutrition</subject><subject>potassium</subject><subject>potassium fertilizers</subject><subject>potassium use efficiency</subject><subject>reproductive stage</subject><subject>Seasons</subject><subject>soil</subject><subject>Soil conditions</subject><subject>Soil testing</subject><subject>Soils</subject><subject>Triticum aestivum</subject><subject>water shortage</subject><subject>Wheat</subject><issn>0190-4167</issn><issn>1532-4087</issn><issn>1532-4087</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kc9uEzEQhy0EEqHwCEiWuHBgy_hfnNxAFQVEJS69W449Tlx57cXeUOUReGu8SnrhwMmW_X2jmfkR8pbBNYMNfAS2BcnW-poD70-aSwHsGVkxJfggYaOfk9XCDAv0krxq7QEAtqDYivy5LSnaSn9QO00pOjvHkulcaLUxB_T08YB2pjFTS1uJic7Y5pj39BD3h8Vq1GZapictjlMtv7H_HBtSDCG6iNmdPtD9UpGeIibfFX-5uTJOJWOe22vyItjU8M3lvCL3t1_ub74Ndz-_fr_5fDc4odk8IGNBKtQbAd57KyxDz-XGy7De7cIOuXKoBXaWS7dVDhhXAFqsg_BcMXFF3p_L9j5_HfswZozNYUo2Yzk2wyX0xahud_TdP-hDOdbcmzNcaLWVnGveKXWmXC2tVQxmqnG09WQYmCUf85SPWfIxl3y69-ns9T2XOtrHUpM3sz2lUkO12cVmxP9L_AUnmZa7</recordid><startdate>20200508</startdate><enddate>20200508</enddate><creator>Limon-Ortega, Agustin</creator><creator>Munguia-Lopez, Juan P.</creator><creator>Espitia-Rangel, Eduardo</creator><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0001-8020-1344</orcidid></search><sort><creationdate>20200508</creationdate><title>Foliar K application to rainfed wheat in a soil testing high K as an option to improve K use efficiency, grain yield and yield components</title><author>Limon-Ortega, Agustin ; Munguia-Lopez, Juan P. ; Espitia-Rangel, Eduardo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-e11f45e7830ddda3a1ed248d4f6bbfbe25ce73e37124c95c012500736f3d2513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>accumulated precipitation</topic><topic>Agricultural production</topic><topic>Crop yield</topic><topic>Grain</topic><topic>grain yield</topic><topic>granular K</topic><topic>plant nutrition</topic><topic>potassium</topic><topic>potassium fertilizers</topic><topic>potassium use efficiency</topic><topic>reproductive stage</topic><topic>Seasons</topic><topic>soil</topic><topic>Soil conditions</topic><topic>Soil testing</topic><topic>Soils</topic><topic>Triticum aestivum</topic><topic>water shortage</topic><topic>Wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Limon-Ortega, Agustin</creatorcontrib><creatorcontrib>Munguia-Lopez, Juan P.</creatorcontrib><creatorcontrib>Espitia-Rangel, Eduardo</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of plant nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Limon-Ortega, Agustin</au><au>Munguia-Lopez, Juan P.</au><au>Espitia-Rangel, Eduardo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Foliar K application to rainfed wheat in a soil testing high K as an option to improve K use efficiency, grain yield and yield components</atitle><jtitle>Journal of plant nutrition</jtitle><date>2020-05-08</date><risdate>2020</risdate><volume>43</volume><issue>8</issue><spage>1080</spage><epage>1090</epage><pages>1080-1090</pages><issn>0190-4167</issn><issn>1532-4087</issn><eissn>1532-4087</eissn><abstract>Granular application of potassium (K) in soils testing high is generally not recommended. However, the effect of foliar K on rainfed wheat (Triticum aestivum L.) under these soil conditions is largely unknown. The objective of this work was to identify the effect of K fertilizer on K use efficiency (KUE), grain yield and yield components of wheat. The data were collected until 2017 in an ongoing trial established in 2007 with eight treatments; two granular K rates (0 and 50 kg K ha
−1
); two foliar N rates (0 and 3 kg N ha
−1
); and two foliar K rates (0 and 3 kg K ha
−1
) in a split-split plot arrangement. Treatments were applied to the same plots each season. Treatment with foliar K resulted in the highest KUE response but the effect size varied according to the accumulated precipitation during the reproductive stage. On average, KUE was enhanced in crop seasons with water constrains (<179 mm) during the growth period but the converse was true as the amount of precipitation increased. In contrast, granular K had no effect on KUE irrespective of precipitation conditions. Application of foliar K increased grain yield as compared to granular K from 2988 to 3089 kg ha
−1
. This enhancement was attributed to an increased number of grains per head. Therefore, foliar K application to wheat is suitable in a soil testing high K to enhance KUE and grain yield, overall in crop seasons with water constrains.</abstract><cop>Philadelphia</cop><pub>Taylor & Francis</pub><doi>10.1080/01904167.2020.1724301</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-8020-1344</orcidid></addata></record> |
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| ispartof | Journal of plant nutrition, 2020-05, Vol.43 (8), p.1080-1090 |
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| language | eng |
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| source | Taylor and Francis Science and Technology Collection |
| subjects | accumulated precipitation Agricultural production Crop yield Grain grain yield granular K plant nutrition potassium potassium fertilizers potassium use efficiency reproductive stage Seasons soil Soil conditions Soil testing Soils Triticum aestivum water shortage Wheat |
| title | Foliar K application to rainfed wheat in a soil testing high K as an option to improve K use efficiency, grain yield and yield components |
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