Time of sowing and the development of winter wheat

Green, C. F.; Paulson, G. A.; Ivins, J. D.

doi:10.1017/s0021859600055921

Cited by 16 publications

(13 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Generally, late sowing requires increased seeding rates to compensate for poor tillering (Green et al, 1985). However, in practice, the combination of high seeding rate with late sowing, as practiced by a relative high percentage of farmers in NCP, still could not achieve high yield (Wang et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Manure Limits Wheat Yield Losses Due to Delayed Seeding

Lü

Pan

et al. 2015

Agronomy Journal

View full text Add to dashboard Cite

Grain yields can be limited from delayed seeding worldwide. Perhaps yield suppressions can be overcome by applying farm manure. Th e objective of this study was to determine the infl uence of manure application and sowing date on wheat (Triticum aestivum L.) yield and population development. A fi eld experiment was conducted over two seasons, with three sowing dates (early [ES]-5 October; mid [M]-10 October; late [LS]-15 October) with or without manure application (each plot receiving same chemical N, P, and K fertilizer) in the North China Plain (NCP). Comparing early to LS, delayed sowing reduced wheat yield from 9.5 to 7.8 t ha -1 . Furthermore, manure application provided a 16 and 11% yield compensation for the M and LS date treatments, respectively, but did not signifi cantly increase yield for ES. Th ese results were attributed to manure increasing the wheat pre-winter tiller numbers for the midseeding date and manure increasing the spring tiller numbers for the LS date. High tiller mortality rate of ES treatment with manure application resulted in similar spike number and wheat yield as no manure treatment. Manure application improved plant N, P, and K concentration and soil temperature at a depth of 5 cm (0.4°C for pre-winter and 0.5-0.8°C for poststem elongation), actions that may be important for improving population development.

show abstract

Section: Discussionmentioning

confidence: 99%

Manure Limits Wheat Yield Losses Due to Delayed Seeding

Lü

Pan

et al. 2015

Agronomy Journal

View full text Add to dashboard Cite

show abstract

“…Long-term 1982-1983 1983-1984 1984-1985 1985-1986 1986-1987 Kemptville Long-term 1982-1983 1983-1984 1984-1985 l 985-1986 1986-1987 '7.6 7.1 6.8 7.6 7.9 6.4 'Ottawa and Douglas, years 1983-1984, 1984-1985, 1986-1987Kemptville, years 1982Kemptville, years -1983Kemptville, years , 1984Kemptville, years -1985 985-I 986.…”

Section: Ottawamentioning

confidence: 99%

“…For personal use only. 1984, 1985and 1987at Douglas and Ottawa, and of 1983, 1985 1986 at Kemptville. (Smid and Jenkinson 1979 by Darwinkel (1977by Darwinkel ( ,1978 (Holliday 1960;Green et al 1985 …”

Section: Ottawamentioning

confidence: 99%

Planting dates and seeding rates for soft white winter wheat in eastern Ontario

Andrews¹,

Pomeroy²,

Seaman³

et al. 1992

Can. J. Plant Sci.

View full text Add to dashboard Cite

“…Observed values for number of ears m-2 at maturity were presented for this range of planting dates by Weir Green et al (1985) and Kirby et al (1985a, b). Initial conditions for comparing to Green et al values were set to 450 seeds mP2, 30 mrn planting depth, and a semidwarf cultivar.…”

Section: Model Performancementioning

confidence: 99%

Simulation of shoot vegetative development and growth of unstressed winter wheat

McMaster

Klepper

Rickman

et al. 1991

Ecological Modelling

View full text Add to dashboard Cite

Mechanistic crop simulation models can aid in directing research and improving farm management. Recent research on winter wheat (Triticum aestivum L.) canopy development was consolidated into a model of aboveground vegetative development and growth called SHOOTGRO 1.0. The model assumes that water, nutrients, and light do not limit development and growth. Initial conditions of cultivar type (dwarf, semidwarf, mid-tall, and tall), seeding rate, planting depth and date, and latitude are inputs. Daily temperature, expressed as growing degree-days, drives SHOOTGRO 1.0. Processes are simulated with a daily time step. Computer code is standard Fortran 77.The morphological nomenclature used allows each leaf and node plus associated internode to be identified and their appearance, development, growth, and senescence to be followed from planting through completion of main stem flag leaf growth (shortly before booting). Three cohorts of plants are simulated based on time of emergence. Simulated growth of leaves and internodes is a function of leaf number and accumulation of thermal time, as is leaf senescence.

show abstract

Time of sowing and the development of winter wheat

Cited by 16 publications

References 8 publications

Manure Limits Wheat Yield Losses Due to Delayed Seeding

Manure Limits Wheat Yield Losses Due to Delayed Seeding

Planting dates and seeding rates for soft white winter wheat in eastern Ontario

Simulation of shoot vegetative development and growth of unstressed winter wheat

Contact Info

Product

Resources

About