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Agronomy journal
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7987-2013
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2013 v.105 no.6
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- Author:
- M. Kaleem Abbasi; Sobia Mansha; Nasir Rahim; Ahsan Ali
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1606-1612
- ISSN:
- 0002-1962
- Subject:
- Triticum aestivum; bacteria; byproducts; composts; ecosystems; field experimentation; grain yield; mountains; nutrient improvement; nutrient use efficiency; phosphorus; plant nutrition; poultry manure; production technology; rock phosphate; solubility; straw; winter wheat; wood ash; India; Pakistan
- Abstract:
- ... Rock phosphate (RP) is an important natural source of P for plant nutrition, but the solubility and availability of P from RP is an issue in agricultural production systems. Integrated use of RP with various organic and inorganic byproducts has been reported to increase RP P use efficiency and stability of crop yields. A 2-yr (2010–2011 and 2011–2012) field experiment was conducted to examine the ...
- DOI:
- 10.2134/agronj2012.0501
- https://doi.org/10.2134/agronj2012.0501
- Author:
- Hongjun Yong; Mingshun Li; Xin Li; Xiaocong Zhang; Shuanggui Tie; Zhaodong Meng; Degui Zhang; Jianfeng Weng; Zhuanfang Hao; Xiaoke Ci; Xinhai Li; Shihuang Zhang
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1555-1564
- ISSN:
- 0002-1962
- Subject:
- Zea mays; agronomy; corn; corn ears; genetic background; genetic variation; germplasm; grain yield; heterosis; hybrids; inbreeding; introgression; rivers; China; Corn Belt region
- Abstract:
- ... Introgression of favorable alleles from exotic maize (Zea mays L.) germplasm can broaden the narrow genetic base of available temperate germplasm. Development of maize hybrids for the Yellow and Huai river valleys in the Corn Belt of China has always been hampered by the lack of favorable alleles for improving maize yield and quality. Twenty exotic populations from CIMMYT and the United States wer ...
- DOI:
- 10.2134/agronj2013.0050
- https://doi.org/10.2134/agronj2013.0050
- Author:
- Chase M. Rogan; Maxim J. Schlossberg
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1507-1514
- ISSN:
- 0002-1962
- Subject:
- Agrostis stolonifera; Poa annua; agronomy; autumn; canopy; cold season; fertilizer rates; frost; golf courses; nitrogen; plant growth substances; seasonal growth; spring; turf grasses
- Abstract:
- ... Considering the vast number of golf course putting greens (PGs) comprised of creeping bentgrass (Agrostis stolonifera L.) and annual bluegrass (Poa annua L.) polystands; greater understanding of seasonal growth response to fall applications of growth regulators and/or N fertilizers is needed. The objective was to determine how timing of fall trinexapac-ethyl (TE; 4-[Cyclopropyl-a-hydroxymethylene] ...
- DOI:
- 10.2134/agronj2012.0443
- https://doi.org/10.2134/agronj2012.0443
- Author:
- Yenny F. Urrego-Pereira; Antonio Martínez-Cob; Victoria Fernández; José Cavero
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1515-1528
- ISSN:
- 0002-1962
- Subject:
- Medicago sativa; Zea mays; agronomy; air; air temperature; alfalfa; canopy; carbon dioxide; corn; evaporation; hydrophobicity; leaves; microclimate; photosynthesis; sprinkler irrigation; vapor pressure deficit; wettability
- Abstract:
- ... During sprinkler irrigation some water is lost due to drift and evaporation. After irrigation, plant-intercepted water is lost due to evaporation. The water loss causes microclimatic changes, which may involve positive or negative plant physiological responses. We studied the changes in net photosynthesis of maize (Zea mays L.) and alfalfa (Medicago sativa L.) associated with irrigation with a sol ...
- DOI:
- 10.2134/agronj2013.0119
- https://doi.org/10.2134/agronj2013.0119
- Author:
- Nithya Rajan; Stephan J. Maas; Song Cui
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1749-1760
- ISSN:
- 0002-1962
- Subject:
- Bothriochloa bladhii; agroecosystems; agronomy; carbon; carbon dioxide; carbon sinks; drought; ecosystem respiration; eddy covariance; gross primary productivity; hydrology; models; net ecosystem exchange; pastures; soil temperature; vegetation; Texas
- Abstract:
- ... Environmental and management factors are critical in determining the C source or sink status of agroecosystems. Information on the C dynamics of an ecosystem from source to sink and vice versa are critical in determining the role of that ecosystem in regional and global C balances. We investigated the impact of the 2011 mega-drought on seasonal changes in net CO₂ exchange of a WW-B. Dahl Old World ...
- DOI:
- 10.2134/agronj2013.0112
- https://doi.org/10.2134/agronj2013.0112
- Author:
- Melissa L. Wilson; John M. Baker; Deborah L. Allan
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1868-1877
- ISSN:
- 0002-1962
- Subject:
- Glycine max; Secale cereale; Zea mays; biomass; clay loam soils; corn; cover crops; crop rotation; freezing point; models; nitrogen content; nutrient uptake; physicochemical properties; plant establishment; plant growth; rain; regression analysis; rye; sandy loam soils; seed germination; silt loam soils; soil water content; soil water potential; sowing date; soybeans; temperature; water content; winter; Minnesota
- Abstract:
- ... Establishing cover crops in a corn (Zea mays L.)–soybean (Glycine max L.) rotation in northern climates can be difficult due to the short time between harvest and freezing temperatures. Aerial seeding into standing crops is one way to increase the time for germination and growth. Field studies were conducted to characterize the physical and chemical properties that affect winter rye (Secale cereal ...
- Handle:
- 10113/59528
- DOI:
- 10.2134/agronj2013.0133
- https://doi.org/10.2134/agronj2013.0133
- Author:
- Zhihui Chang; Zhefeng Jia; Jufang Liu; Deying Li
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1676-1682
- ISSN:
- 0002-1962
- Subject:
- golf courses; gypsum; heat stress; infiltration (hydrology); infiltration rate; irrigation; irrigation water; leachates; physical properties; rhizosphere; sand; soil properties; soil water; summer; turf grasses; water reuse; United States
- Abstract:
- ... Recycled wastewater (RW) is a source of irrigation for golf courses in many parts of the world. The objectives of this study were to determine the effects of gypsum and wetting agent applications on the turfgrass quality, clipping yield, root zone chemical and physical properties, and leachate of a sand-based putting green irrigated with secondary and tertiary RW. Our results showed that gypsum am ...
- DOI:
- 10.2134/agronj2013.0060
- https://doi.org/10.2134/agronj2013.0060
- Author:
- J. H. Houx; Felix B. Fritschi
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1761-1768
- ISSN:
- 0002-1962
- Subject:
- Glycine max; Sorghum bicolor; Triticum aestivum; bagasse; bioenergy; brix; cultivars; double cropping; energy crops; ethanol; ethanol production; genotype; juices; planting date; soybeans; sugars; summer; sweet sorghum; wheat; Missouri
- Abstract:
- ... Sweet sorghum [Sorghum bicolor (L.) Moench] is one of a few promising energy crops that has multiple uses and is adapted to a wide range of growing conditions. Thus, sweet sorghum may be an attractive alternative to soybean [Glycine max (L.) Merr.] in some wheat (Triticum aestivum L.)–soybean double-cropping systems. Twelve sweet sorghum genotypes differing in maturity were planted in central Miss ...
- DOI:
- 10.2134/agronj2013.0083
- https://doi.org/10.2134/agronj2013.0083
- Author:
- Stefano Macolino; Leonard M. Lauriault; Filippo Rimi; Umberto Ziliotto
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1613-1618
- ISSN:
- 0002-1962
- Subject:
- Medicago sativa; agronomy; alfalfa; canopy height; cultivars; exchangeable potassium; nutrient deficiencies; nutritional status; nutritive value; phosphorus; potassium fertilizers; silt loam soils; Italy
- Abstract:
- ... Fertilization strategies for high-yielding alfalfa (Medicago sativa L.) should take in account the increase in soil nutritional status that occurred during the last decades in areas with intensive agricultural use. A field study was conducted at the University of Padova, northeastern Italy, to determine the response of alfalfa yield and nutritive value to various combinations of P and K rates in a ...
- DOI:
- 10.2134/agronj2013.0054
- https://doi.org/10.2134/agronj2013.0054
- Author:
- Tohru Kobata; Haruko Yoshida; Uukina Masiko; Tohru Honda
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1821-1831
- ISSN:
- 0002-1962
- Subject:
- Oryza sativa; agronomy; cultivars; filling period; grain yield; nitrogen fertilizers; panicles; pistil; plant density; pollen; pollination; rice; spikelets
- Abstract:
- ... New rice (Oryza sativa L.) genotypes bearing a high spikelet number (HS) occasionally cannot show their high yield potentials due to the lower grain-filling rate. Our objectives were to evaluate the effect of spikelet sterility on grain filling in HS cultivars and to determine whether the assimilation factor around anthesis is related to spikelet sterility. Two japonica × indica and one japonica × ...
- DOI:
- 10.2134/agronj2013.0115
- https://doi.org/10.2134/agronj2013.0115
- Author:
- Ki-In Kim; David Clay; Sharon Clay; Gregg C. Carlson; Todd Trooien
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1619-1625
- ISSN:
- 0002-1962
- Subject:
- Zea mays; agronomy; corn; drought; models; nitrogen; nitrogen fertilizers; nutrient use efficiency; profitability; soil organic matter; Iowa; Minnesota; Nebraska; South Dakota
- Abstract:
- ... The purpose of a N recommendation model is to maximize profitability and minimize the impacts of agriculture on the environment. To achieve this goal, reliable recommendations must be developed and systematically tested. The objective of this study was to evaluate and test regional N recommendation models from South Dakota, western Minnesota, Iowa, and Nebraska for their suitability to improve Sou ...
- DOI:
- 10.2134/agronj2013.0166
- https://doi.org/10.2134/agronj2013.0166
12. A Canadian Ethanol Feedstock Study to Benchmark the Relative Performance of Triticale: I. Agronomics
- Author:
- Brian Beres; Curtis Pozniak; Francois Eudes; Robert Graf; Harpinder Randhawa; Don Salmon; Grant McLeod; Yves Dion; Byron Irvine; Harvey Voldeng; Richard Martin; Denis Pageau; Andre Comeau; Ronald DePauw; Sherrilyn Phelps; Dean Spaner
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1695-1706
- ISSN:
- 0002-1962
- Subject:
- Antilocapra americana; Fusarium head blight; Parastagonospora nodorum; Triticum aestivum; agronomy; alternative crops; biomass production; cultivars; ergot; ethanol; ethanol fermentation; ethanol production; feedstocks; grain protein; grain yield; industry; powdery mildew; spring; spring wheat; starch; triticale; Canada
- Abstract:
- ... A need has been identified for alternative crop(s) with high grain yield, low grain protein concentration, and high starch for the ethanol industry. The objective of this study was to benchmark the relative performance of triticale (×Triticosecale ssp.) to wheat (Triticum aestivum L.) classes currently utilized for ethanol production. Sixteen cultivars—three triticale, four Canada prairie spring ( ...
- DOI:
- 10.2134/agronj2013.0192
- https://doi.org/10.2134/agronj2013.0192
- Author:
- Brian Beres; Curtis Pozniak; David Bressler; Amera Gibreel; Francois Eudes; Robert Graf; Harpinder Randhawa; Don Salmon; Grant McLeod; Yves Dion; Byron Irvine; Harvey Voldeng; Richard Martin; Denis Pageau; Andre Comeau; Ronald DePauw; Sherrilyn Phelps; Dean Spaner
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1707-1720
- ISSN:
- 0002-1962
- Subject:
- Antilocapra americana; Triticum aestivum; agroecological zones; agronomy; biomass; cultivars; ethanol; ethanol fermentation; ethanol production; feedstocks; grain quality; grain yield; risk; spring; spring wheat; triticale; Ontario; Quebec
- Abstract:
- ... Cereal grain ethanol production may need to supplement biomass ethanol production to meet the increasing long-term demand for ethanol. A study was initiated to benchmark the relative performance of triticale (×Triticosecale ssp.) to wheat (Triticum aestivum L.) classes utilized for ethanol production. Ten cultivars: three triticale, two Canada prairie spring (CPS) wheat, three Canada western soft ...
- DOI:
- 10.2134/agronj2013.0193
- https://doi.org/10.2134/agronj2013.0193
- Author:
- Pengfei Chen; Yunqiang Zhu
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1839-1846
- ISSN:
- 0002-1962
- Subject:
- Triticum aestivum; agronomy; biomass; cultivars; data collection; diagnostic techniques; nitrogen; nitrogen content; t-test; winter wheat; China
- Abstract:
- ... As a plant-based N diagnostic tool, critical N curves can be used to adjust the N input in a field according to the crop demand. Because the existing critical N curve determination methods may overestimate the critical N point, making the designed N curve above the actual one, this study presents an improved method to overcome this drawback. An N experiment was conducted during 2 yr (2010–2012) us ...
- DOI:
- 10.2134/agronj2013.0257
- https://doi.org/10.2134/agronj2013.0257
- Author:
- Marcos S. Rodrigues; José E. Corá; Annamaria Castrignanò; Tom G. Mueller; Eduardo Rienzi
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1878-1887
- ISSN:
- 0002-1962
- Subject:
- Zea mays; agronomy; autocorrelation; corn; grain yield; heteroskedasticity; prediction; soil pH; Brazil
- Abstract:
- ... Effective site-specific management requires an understanding of the soil and environmental factors influencing crop yield variability. Moreover, it is necessary to assess the techniques used to define these relationships. The objective of this study was to assess whether statistical models that accounted for heteroscedastic and spatial-temporal autocorrelation were superior to ordinary least squar ...
- DOI:
- 10.2134/agronj2012.0456
- https://doi.org/10.2134/agronj2012.0456
- Author:
- A. J. Sindelar; J. A. Coulter; J. A. Lamb; J. A. Vetsch
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1498-1506
- ISSN:
- 0002-1962
- Subject:
- Zea mays; agronomy; canopy; chiseling; corn; fertilizer rates; fuel production; grain yield; leaves; nitrogen; no-tillage; reduced tillage; soil temperature; stover; strip tillage; Minnesota
- Abstract:
- ... Corn (Zea mays L.) stover removal for biofuel production is expected to increase in the near future. Previous research suggests stover removal is best suited to continuous corn (CC) cropping systems with reduced tillage. However, grain yields in reduced tillage CC systems in the Upper Midwest can be reduced because of cool soil temperatures restricting early-season growth. Field experiments were c ...
- DOI:
- 10.2134/agronj2013.0181
- https://doi.org/10.2134/agronj2013.0181
- Author:
- Yue Li; V. G. Allen; J. Chen; F. Hou; C. P. Brown; P. Green
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1581-1587
- ISSN:
- 0002-1962
- Subject:
- Gossypium hirsutum; Paleustolls; Secale cereale; Triticum aestivum; agronomy; allelochemicals; chlorophyll; clay loam soils; cover crops; cultivars; dimboa; glyphosate; leaves; lint cotton; no-tillage; rye; seed yield; wheat; Texas
- Abstract:
- ... No-till planting cotton (Gossypium hirsutum L.) into small grain cover crops has many benefits including allelopathic suppression of weeds but potential to also suppress cotton has been suggested. We investigated effects of rye (Secale cereal L.), wheat (Triticum aestivum L.), or no cover crop on no-till planted cotton in a 3-yr field-plot experiment (randomized block design; 4 blocks), conducted ...
- DOI:
- 10.2134/agronj2013.0065
- https://doi.org/10.2134/agronj2013.0065
- Author:
- Lowell E. Gentry; Sieglinde S. Snapp; Richard F. Price; Laura F. Gentry
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1658-1664
- ISSN:
- 0002-1962
- Subject:
- Trifolium pratense; Zea mays; agronomy; corn; cover crops; credit; legumes; nitrogen
- Abstract:
- ... Corn (Zea mays L.) production systems can benefit from introducing a leguminous winter cover crop into the rotation, especially with regard to increased N availability (i.e., legume N credit); however, it is not known if the full agronomic benefit is realized in the first year of cover crop introduction or if the benefit is cumulative with time. The objective of this study was to determine the app ...
- DOI:
- 10.2134/agronj2013.0089
- https://doi.org/10.2134/agronj2013.0089
- Author:
- Sharon L. Weyers; Jane M. F. Johnson; David W. Archer
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1665-1675
- ISSN:
- 0002-1962
- Subject:
- carbon; conventional tillage; crop rotation; management systems; microbial biomass; mineral fertilizers; nitrogen; organic fertilizers; reduced tillage; soil biological properties; strip tillage; Midwestern United States
- Abstract:
- ... Independently, reduced tillage, multicrop rotations, and organic fertilization are expected to enhance soil biological properties; outcomes are less understood when these management strategies are integrated with conventional or organic system management. Over 9 yr, soil biological properties of microbial biomass C (MBC) and N (MBN) and soluble organic C (SolC) and total soluble N (SolN) were meas ...
- Handle:
- 10113/57877
- DOI:
- 10.2134/agronj2013.0101
- https://doi.org/10.2134/agronj2013.0101
- Author:
- María Concepción Pilar-Izquierdo; María D. Busto; Natividad Ortega; Manuel Perez-Mateos
- Source:
- Agronomy journal 2013 v.105 no.6 pp. 1565-1570
- ISSN:
- 0002-1962
- Subject:
- Hordeum vulgare; agronomy; barley; bioavailability; carboxymethylcellulose; encapsulation; enzymes; humates; nutrition; plant establishment; pot culture; rhizosphere; seed germination; seeds; soil
- Abstract:
- ... A large portion of the soluble P fertilizers introduced into soil reacts with soil components forming insoluble P products, which are not efficiently taken up by plants. Barley seed (Hordeum vulgare L. ‘Volley’) encapsulation in Ca-alginate gels containing phosphatase free or immobilized with soil humates (humate–phosphatase complexes, HPC) was investigated as a tool to enhance the utilization by ...
- DOI:
- 10.2134/agronj2013.0010
- https://doi.org/10.2134/agronj2013.0010
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