干旱区生态环境知识资源中心(Arid): Revising petiole nitrate sufficiency/deficiency guidelines for irrigated cotton in the Desert Southwest

Arid

DOI	10.1002/saj2.20213
	Revising petiole nitrate sufficiency/deficiency guidelines for irrigated cotton in the Desert Southwest
	Bronson, Kevin F.; Norton, E. Randall; Silvertooth, Jeffrey C.
通讯作者	Bronson, KF (corresponding author), USDA ARS, US Arid Land Agr Res Ctr, 21881 N Cardon Ln, Maricopa, AZ 85138 USA.
来源期刊	SOIL SCIENCE SOCIETY OF AMERICA JOURNAL
ISSN	0361-5995
EISSN	1435-0661
出版年	2021
卷号	85 期号:3 页码:893-902
英文摘要	Petiole nitrate-nitrogen (NO3-N) sampling and testing remains a popular in-season nitrogen (N) management practice in the western United States for cotton (Gossypium hirsutum L.). However, the present guidelines used by Arizona are greater than 35 yr old and are in need of updating. The objectives of this study were to relate in-season petiole NO3 levels with lint yields and N deficiencies and to revise the former critical deficiency level guidelines by growth stage. Petioles were sampled between first square and peak bloom in nine site-years of cotton N management field trials in Maricopa and Safford, AZ, from 2014 to 2018. Irrigation type in Maricopa was overhead sprinkler irrigation (OSI) (2014-2015) and subsurface drip irrigation (SDI) (2016-2018). In Safford (2014-2017), surface irrigation (SI) was used. Petiole NO3 in SDI was dramatically lower than with SI or OSI, mostly in the deficient range. Lower lint yields in zero-N treatments compared with pre-plant soil NO3 test-based reference treatments occurred in eight site-years (Safford 2016 crop lost to late hailstorm) and were considered N deficient. Critical petiole NO3-N levels from 1984 were revised downward 1 g N kg(-1) because several N-fertilized treatment means of petiole NO3 were in that range and did not exhibit an N rate-related yield depression. Sampling cotton plants for petiole NO3 analysis should start within 1 wk of first bloom. Petiole NO3 dynamics and critical levels in SDI cotton required further study.
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000639062400001
WOS类目	Soil Science
WOS研究方向	Agriculture
来源机构	University of Arizona
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/351783
作者单位	[Bronson, Kevin F.] USDA ARS, US Arid Land Agr Res Ctr, 21881 N Cardon Ln, Maricopa, AZ 85138 USA; [Norton, E. Randall] Univ Arizona, Safford Agr Res Ctr, 2134 S Montierth Ln, Safford, AZ 85546 USA; [Silvertooth, Jeffrey C.] Univ Arizona, Sch Plant Sci, 1140 EE South Campus Dr,303 Forbes Bdg, Tucson, AZ 85721 USA
推荐引用方式 GB/T 7714	Bronson, Kevin F.,Norton, E. Randall,Silvertooth, Jeffrey C.. Revising petiole nitrate sufficiency/deficiency guidelines for irrigated cotton in the Desert Southwest[J]. University of Arizona,2021,85(3):893-902.
APA	Bronson, Kevin F.,Norton, E. Randall,&Silvertooth, Jeffrey C..(2021).Revising petiole nitrate sufficiency/deficiency guidelines for irrigated cotton in the Desert Southwest.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,85(3),893-902.
MLA	Bronson, Kevin F.,et al."Revising petiole nitrate sufficiency/deficiency guidelines for irrigated cotton in the Desert Southwest".SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 85.3(2021):893-902.