Nitrogen Management Effects on Spring Wheat Yield and Protein Concentration Vary with Seeding Date and Slope Position

2016 ◽  
Vol 108 (3) ◽  
pp. 1246-1256 ◽  
Author(s):  
Cynthia A. Grant ◽  
Alan P. Moulin ◽  
Nicolas Tremblay
Keyword(s):  
Spring Wheat ◽  
Protein Concentration ◽  
Wheat Yield ◽  
Nitrogen Management ◽  
Slope Position ◽  
Seeding Date ◽  
Management Effects

Tiller Contribution to Spring Wheat Yield under Varying Seeding and Nitrogen Management

2008 ◽  
Vol 100 (2) ◽  
pp. 406 ◽  
Author(s):  
B. N. Otteson ◽  
M. Mergoum ◽  
J. K. Ransom ◽  
B. Schatz
Keyword(s):  
Spring Wheat ◽  
Wheat Yield ◽  
Nitrogen Management

Foxtail (Setariaspp.) seedling dynamics in spring wheat (Triticum aestivum) are influenced by seeding date and tillage regime

Weed Science ◽  
1999 ◽  
Vol 47 (2) ◽  
pp. 156-160 ◽  
Author(s):  
Eric Spandl ◽  
Beverly R. Durgan ◽  
Frank Forcella
Keyword(s):  
Spring Wheat ◽  
Wheat Yield ◽  
Seedling Density ◽  
Emergence Period ◽  
No Till ◽  
Seeding Date ◽  
Emergence Patterns ◽  
Seedling Dynamics ◽  
Chisel Plow ◽  
Moldboard Plow

Emergence patterns of foxtail in spring wheat following soybean were evaluated for three seeding dates and three tillage regimes. Cumulative foxtail emergence, as a percentage of total plants emerged in the growing season, was generally not influenced by tillage regime throughout most of the emergence period, but when differences occurred, emergence was lower with no-till than with moldboard plow. Foxtail seedling densities were greater in no-till and chisel plow than in moldboard plow. Weed biomass and wheat yields were not affected by tillage regime. Delaying wheat seeding reduced foxtail percent emergence and emerged seedling density. Differences in emergence patterns of foxtail were attributable to thermal accumulation after seeding. Wheat yield was not influenced by seeding date in 2 of 3 yr.

Tiller Contribution to Spring Wheat Yield under Varying Seeding and Nitrogen Management

2008 ◽  
Vol 100 (2) ◽  
pp. 406-413 ◽  
Author(s):  
B. N. Otteson ◽  
M. Mergoum ◽  
J. K. Ransom ◽  
B. Schatz
Keyword(s):  
Spring Wheat ◽  
Wheat Yield ◽  
Nitrogen Management

Response of irrigated soft white spring wheat to seeding date, seeding rate and fertilization

2008 ◽  
Vol 88 (2) ◽  
pp. 291-298 ◽  
Author(s):  
R. H. McKenzie ◽  
A. B. Middleton ◽  
R. Dunn ◽  
R. S. Sadasivaiah ◽  
B. Beres ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Spring Wheat ◽  
Protein Concentration ◽  
Seeding Rate ◽  
Potential Yield ◽  
Available N ◽  
Seeding Date ◽  
P Fertilizer ◽  
Soft White Spring Wheat ◽  
Viable Seeds

Irrigated production of soft white spring wheat (Triticum aestivum L. Em Thell.) (SWSW) for pastry flour or ethanol production is feasible if the high yield potential of recently released cultivars can be realized. Field studies were conducted at three locations over a 3-yr period to determine the response of irrigated SWSW to seeding date, seeding rate and fertilization (N, P and K) in southern Alberta. The highest yield was obtained for the first seeding date (Apr. 20 to 24). Seeding 2 wk later reduced ave rage grain yield by 3%, while seeding 4 wk later reduced average grain yield by 15%. The optimum seeding rate was 200 to 240 viable seeds m-2 (84 to 101 kg ha-1). Maximum yields were achieved when total available N (fertilizer + residual soil NO3-N + mineralized N) was greater than 26 kg N Mg-1 of potential yield. Mineralized N ranged from 45 to 183 kg N ha-1 (mean 125 kg N ha-1). Grain protein concentration did not exceed the maximum allowed for protein premiums (99 g kg-1) when total available N was less than 27 kg N Mg-1 of potential yield. The optimum P fertilizer rate was approximately 13 kg P ha-1 unless extractable soil P was very high. No response to K fertilizer was observed. Maximum grain yields of 7.3 to 10.6 Mg ha-1 were achieved by seeding early with a minimum of 200 viable seeds m-2 and application of sufficient N and P fertilizer. Key words: Triticum aestivum, nitrogen fertilizer, N mineralization, grain protein concentration, phosphorus

Assessing water management effects on spring wheat yield in the Canadian Prairies using DSSAT wheat models

2021 ◽  
Vol 244 ◽  
pp. 106591
Author(s):  
Qi Jing ◽  
Brian McConkey ◽  
Budong Qian ◽  
Ward Smith ◽  
Brian Grant ◽  
...  
Keyword(s):  
Water Management ◽  
Spring Wheat ◽  
Wheat Yield ◽  
Canadian Prairies ◽  
Management Effects

Spring Wheat (Triticum aestivum) Management Can Substitute for Diclofop for Foxtail (Setariaspp.) Control

Weed Science ◽  
1996 ◽  
Vol 44 (2) ◽  
pp. 362-372 ◽  
Author(s):  
Mohammad Khan ◽  
William W. Donald ◽  
Tony Prato
Keyword(s):  
Spring Wheat ◽  
Stochastic Dominance ◽  
Management Practices ◽  
Wheat Yield ◽  
Field Research ◽  
Critical Factor ◽  
Wheat Crop ◽  
Seeding Rate ◽  
Seeding Date ◽  
Green Foxtail

The goal of this research was to determine whether crop management practices could substitute for a herbicide for managing mixed populations of green and yellow foxtail in hard red spring wheat. Crop yield and foxtail growth were measured in two years of field research in North Dakota. Spring wheat yields were as great or greater when early seeding date or 2× seeding rate were substituted for POST diclofop3at 0.75 kg ai ha−1for managing foxtail in spring wheat. Yield of spring wheat competing with foxtails was greater for the high seeding rate (2× = 270 kg ha−1) than both the normal (1× = 130 kg ha−1) and low (0.5× = 70 kg ha−1) seeding rates for early or middle seeding dates, but not for the late seeding date. For both early and middle seeding dates, wheat yield at the 2×seeding rate without diclofop was equal to or greater than that of the 1× seeding rate with diclofop. Late-seeded wheat did not yield well in competition with dense foxtail stands for any treatment combination. Early and middle seeding dates favored the relative increase of green foxtail over yellow foxtail in wheat, whereas late seeding favored yellow foxtail over green foxtail. Economic analysis demonstrated that early seeding date was the most critical factor in determining the stochastic dominance of treatments without diclofop over treatments with diclofop. Seeding rate was much less important than seeding date in determining the ranking of treatments in stochastic dominance analysis.

AC Cadillac hard red spring wheat

1998 ◽  
Vol 78 (3) ◽  
pp. 459-462 ◽  
Author(s):  
R. M. DePauw ◽  
J. B. Thomas ◽  
R. E. Knox ◽  
J. M. Clarke ◽  
M. R. Fernandez ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Spring Wheat ◽  
Protein Concentration ◽  
Wheat Yield ◽  
Triticum Aestivum L ◽  
Loose Smut ◽  
Canadian Prairies ◽  
Hard Red Spring Wheat ◽  
Volume Weight ◽  
Leaf Spots

AC Cadillac, a hard red spring wheat (Triticum aestivum L.), is adapted to the Canadian Prairies. It combines high grain yield with high grain protein concentration, heavy kernel and volume weights. It has improved resistance to leaf spots compared with the check cultivars, and resistance to prevalent races of leaf rust, stem rust, loose smut, and common bunt. AC Cadillac is eligible for grades of Canada Western Red Spring wheat. Key words: Triticum aestivum L., red spring wheat, yield, protein, disease resistance, volume weight

Response of dryland spring wheat yield to elevated CO2 concentration and temperature by APSIM model

2012 ◽  
Vol 20 (8) ◽  
pp. 1088-1095
Author(s):  
Guang LI ◽  
Yue LI ◽  
Gao-Bao HUANG ◽  
Zhu-Zhu LUO ◽  
Qi WANG ◽  
...  
Keyword(s):  
Spring Wheat ◽  
Wheat Yield
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