NDLI: Inter-row crop competition for band-injected ammonium nitrate

Content Provider	Springer Nature Link
Author	Petersen, J.
Copyright Year	2005
Abstract	Inter-species competition for applied nutrients may be managed by weed control in cultivated communities. However, intra-crop competition may still occur. Thus, regarding a fertilizer band as a finite nutrient source, individual rows of a cereal crop may compete for the applied nitrogen. The aim was to explore the partition of applied N between crop rows affected by the displacement of the fertilizer band relative to the rows. In a micro-plot experiment, a $^{15}$N-ammonium−$^{15}$N-nitrate solution was injected in four positions parallel to two rows of spring wheat (Triticum aestivum ssp. vulgare). The course of $^{15}$N crop uptake in each row was estimated by a sigmoid growth function using eight samplings during the elongation phase. The estimated parameters were used for calculating the asymptotic value (a), the time until a/2 was reached (T$_{0.5a}$), and the uptake rate at this time (MaxRate), and related to the distance between the crop row and fertilizer band. The a-value decreased by 5.1%-point recovery cm$^{−1}$, T$_{0.5a}$ increased by 0.5 day cm$^{−1}$ and the MaxRate decreased by 0.3%-point recovery day$^{−1}$ cm$^{−1}$. Placement of the fertilizer band centred between two crop rows caused an even access to the applied nitrogen, but a parallel displacement from the centre by a few centimetres significantly affected the parameters. The proliferation of the roots in the soil and thus the time until the roots reached the fertilizer zone is assumed to cause the inter-row competition for the band-injected N source. The access to the fertilizer band was clearly reflected in the dry matter production causing an uneven crop stand. The consequences of inter-row crop competition for a band-injected N source with respect to grain yield and grain quality were not explored, but attention on these parameters are required, particularly in the production of high quality wheat grains.
Starting Page	83
Ending Page	90
Page Count	8
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	270
Issue Number	1
e-ISSN	15735036
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	fertilization $^{15}$N-ammonium−$^{15}$N-nitrate recovery Triticum aestivum ssp. vulgare wheat Ecology Plant Sciences Plant Physiology Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Wheat growth in a saline sandy loam soil as affected by N form and application rate

Prevalence of a novel puroindoline b allele in Yunnan endemic wheats (Triticum aestivum ssp. yunnanense King)

Tolerance of wheat (Triticum aestivum L.) to high soil and solution selenium levels

Synchronizing N Supply from Soil and Fertilizer and N Demand of Winter Wheat by an Improved Nmin Method

Silicon absorption by wheat (Triticum aestivum L.)

Effects of take-all (Gaeumannomyces graminis var. tritici) on crop N uptake and residual mineral N in soil at harvest of winter wheat

Crop residue incorporation negates the positive effect of elevated atmospheric carbon dioxide concentration on wheat productivity and fertilizer nitrogen recovery

Ammonium versus Nitrate Nutrition of Plants Stimulates Microbial Activity in the Rhizosphere

Identifying the critical period for waterlogging on yield and its components in wheat and barley

Inter-row crop competition for band-injected ammonium nitrate

Similar Documents

Wheat growth in a saline sandy loam soil as affected by N form and application rate

Prevalence of a novel puroindoline b allele in Yunnan endemic wheats (Triticum aestivum ssp. yunnanense King)

Tolerance of wheat (Triticum aestivum L.) to high soil and solution selenium levels

Synchronizing N Supply from Soil and Fertilizer and N Demand of Winter Wheat by an Improved Nmin Method

Silicon absorption by wheat (Triticum aestivum L.)

Effects of take-all (Gaeumannomyces graminis var. tritici) on crop N uptake and residual mineral N in soil at harvest of winter wheat

Crop residue incorporation negates the positive effect of elevated atmospheric carbon dioxide concentration on wheat productivity and fertilizer nitrogen recovery

Ammonium versus Nitrate Nutrition of Plants Stimulates Microbial Activity in the Rhizosphere

Identifying the critical period for waterlogging on yield and its components in wheat and barley

Inter-row crop competition for band-injected ammonium nitrate