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1. Assessing the climate and eutrophication impacts of grass cultivation at five sites in Sweden

Author:
Nilsson, Johan; Tidåker, Pernilla; Sundberg, Cecilia; Henryson, Kajsa; Grant, Brian; Smith, Ward; Hansson, Per-Anders
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 605-619
ISSN:
1651-1913
Subject:
agricultural land; agroecosystems; carbon sequestration; clay; climate; emissions; environmental assessment; eutrophication; life cycle assessment; manufacturing; methodology; mineral fertilizers; models; organic carbon; perennial grasses; sandy loam soils; silty clay loam soils; soil texture; weather; Sweden
Abstract:
... In this study, Life Cycle Assessment (LCA) methodology was combined with the agro-ecosystem model DNDC to assess the climate and eutrophication impacts of perennial grass cultivation at five different sites in Sweden. The system was evaluated for two fertilisation rates, 140 and 200 kg N ha⁻¹. The climate impact showed large variation between the investigated sites. The largest contribution to the ...
DOI:
10.1080/09064710.2020.1822436

2. Do mycorrhizae influence cover crop biomass production?

Author:
Ortas, Ibrahim; Yucel, Celal
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 657-666
ISSN:
1651-1913
Subject:
Carthamus tinctorius; Cenchrus americanus; Trifolium alexandrinum; Vicia sativa subsp. sativa; biogeochemical cycles; biomass production; carbon; cover crops; crop production; inoculum; mixed cropping; mixed stands; mycorrhizae; peas; pot culture; radishes; soil; soil organic matter
Abstract:
... A completely randomized factorial experiment was conducted to evaluate the growth and biomass production of single- and mixed crop species inoculated with mycorrhizae. Radish, (R), safflower (SF), pearl-millet (PM), mustard (M), field peas ((FP), faba-bean (FB), common vetch (CV), and berseem clover (BC) and their blends as R-SF-PM-M, FP-FB-CV-BC, R-SF-PM-M-FP-FB-CV-BC, R-SF-M-FP-FB-CV-BC, and PM- ...
DOI:
10.1080/09064710.2020.1833975

3. Impact of soil acidity and liming on soybean (Glycine max) nodulation and nitrogen fixation in Kenyan soils

Author:
Bakari, Rukia; Mungai, Nancy; Thuita, Moses; Masso, Cargele
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 667-678
ISSN:
1651-1913
Subject:
Glycine max; acid soils; crops; environment; nitrogen fixation; nodulation; soil pH; soybeans; technology; Africa
Abstract:
... There is a wide application of rhizobia inoculants to legume crops in Africa, irrespective of the soil acidity, though the latter limits the effectiveness of inoculants. Two trials were conducted in a controlled environment to determine suitable soil pH and impact of liming on soybean nodulation and nitrogen fixation to inform proper application of the rhizobia-inoculant technology on acid soils. ...
DOI:
10.1080/09064710.2020.1833976

4. Lavender organic cultivation yield and essential oil can be improved by using bio-stimulants

Author:
Giannoulis, K.D.; Evangelopoulos, V.; Gougoulias, N.; Wogiatzi, E.
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 648-656
ISSN:
1651-1913
Subject:
Lavandula; essential oils; experimental design; flowering; lipid content; literature; organic production; shoots; Greece; Mediterranean region
Abstract:
... Lavender is an aromatic-medicinal plant, cultivated in Greece and in Mediterranean basin in general. The aim of the current study was to investigate if the use of bio-stimulants could increase the yield of the flowering shoots and the essential oil content even from the establishment year. For the purposes of the study, in Microkastro Vojo Kozanis, lavender experimental field was established on No ...
DOI:
10.1080/09064710.2020.1833974

5. ¹⁵N tracer-based analysis of fertiliser nitrogen accumulation, utilisation and distribution in processing tomato at different growth stages

Author:
Jing, Bo; Niu, Ning; Zhang, Wenlong; Wang, Jiangli; Diao, Ming
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 620-627
ISSN:
1651-1913
Subject:
absorption; administrative management; crops; developmental stages; field experimentation; leaching; lead; microirrigation; nitrates; nitrogen; nitrogen fertilizers; soil; soil pollution; tomatoes; China
Abstract:
... The unnecessary application of nitrogen could negatively impact both the yield and quality of crops, and could also lead to nitrate leaching and soil pollution. The objective of this study was to investigate the effects of the optimized nitrogen application on ¹⁵N accumulation, utilization and distribution of processing tomato in China. Through field experiments with ¹⁵N and consisted two treatmen ...
DOI:
10.1080/09064710.2020.1825786

6. The variability of yield and baking quality of wheat and suitability for export from Nordic–Baltic conditions

Author:
Koppel, Reine; Ingver, Anne; Ardel, Pille; Kangor, Tiia; Kennedy, Hannah Joy; Koppel, Mati
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 628-639
ISSN:
1651-1913
Subject:
baking; baking quality; cultivars; exports; extensibility; genotype; gluten; protein content; spring; spring wheat; variability; vegetation; winter; winter wheat; Estonia
Abstract:
... Nordic conditions necessitate varieties adapted to marginal environments (short vegetation period, winter damages etc.) to reduce environmental influence on yield and quality. This study evaluated yield and quality variability of five spring and six winter wheat varieties grown in six locations throughout Estonia during 2011–2014. The variation of quality parameters was larger in spring wheat, acc ...
DOI:
10.1080/09064710.2020.1829025

7. The working part of a reversible plough: design and experiments

Author:
Nuralin, Beket; Dussenov, Maxut; Kukhta, Bladimir; Bakushev, Askar; Kubasheva, Zhanna; Janaliev, Yernazar; Khamsin, Askar; Sarsenov, Amangeldy
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 679-685
ISSN:
1651-1913
Subject:
blades; design; disturbed soils; fuels; geometry; mathematical models; plowing; soil quality; stems; tractors
Abstract:
... Optimizing configuration of the plough bottom to minimise soil disturbance is an inexpensive way to improve soil quality. This work applied mathematical modelling to improve geometric and physical parameters of a ploughshare body design that define the ploughing performance. The optimised reversible plough was tested in the field by comparing it with a conventional PLP-6-35A plough, which has a re ...
DOI:
10.1080/09064710.2020.1833977

8. Yielding parameters, nutritional value of soybean seed and weed infestation in relay-strip intercropping system with buckwheat

Author:
Biszczak, Wojciech; Różyło, Krzysztof; Kraska, Piotr
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.8 pp. 640-647
ISSN:
1651-1913
Subject:
amino acid composition; aspartic acid; buckwheat; cultivars; fatty acid composition; intercropping; lipid content; nutritive value; seed yield; seeds; soybeans; weeds
Abstract:
... The aim of the study was to verify the hypothesis that intercropping of soybean with buckwheat will positively affect yielding parameters and nutritional value of soybean seed. The experimental scheme assumed intercropping of two soybean cultivars alternately with one and two rows of buckwheat. The control (C) was soybean in monoculture. Both Annushka and Mavka cultivars significantly increased se ...
DOI:
10.1080/09064710.2020.1831586

9. Distribution and phenotypic characteristics of common bean (Phaseolus vulgaris L.) nodulating bacteria in diverse soils

Author:
Kawaka, Fanuel; Muoma, John
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 564-571
ISSN:
1651-1913
Subject:
Phaseolus vulgaris; bacteria; beans; color; cropping systems; culture media; nitrogen fixation; phenotype; root nodules; soil
Abstract:
... Bacteria were isolated from the root nodules using common bean as a trap host. Growth and morphological characteristics of the bacterial isolates were described on yeast extract mannitol mineral salts agar and broth media. The results showed that over 67% of the isolates produced extracellular polysaccharide with an entire margin and convex elevation. The others differentiated into cream yellow, c ...
DOI:
10.1080/09064710.2020.1807595

10. Effects of drainage intensity on water and nitrogen use efficiency and rice grain yield in a semi-arid marshland in Rwanda

Author:
Tuyishime, Olive; Joel, Abraham; Messing, Ingmar; Naramabuye, Francois; Sankaranarayanan, Muthiah; Wesström, Ingrid
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 578-593
ISSN:
1651-1913
Subject:
carbon nitrogen ratio; drainage; drainage systems; drainage water; field experimentation; grain yield; harvest index; irrigation; marshes; nitrogen; nutrient use efficiency; paddies; rough rice; soil carbon; soil fertility; straw; water use efficiency; Rwanda
Abstract:
... Drainage management is important in intensification of irrigated paddy rice production. This study assessed the effects of drainage intensity on water and nitrogen use efficiency and rice grain yield in a field experiment conducted during three seasons in Rwanda. The experiment comprised 12 plots with four blocks and three treatments: DS₀.₆ (0.6 m deep drain), DD1₁.₂ (1.2 m deep drain, control str ...
DOI:
10.1080/09064710.2020.1817539

11. Genetic relationship among selected heat and drought tolerant bread wheat genotypes using SSR markers, agronomic traits and grain protein content

Author:
Thungo, Zamalotshwa; Shimelis, Hussein; Odindo, Alfred; Mashilo, Jacob; Shayanowako, Admire
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 594-604
ISSN:
1651-1913
Subject:
Triticum; agronomic traits; cluster analysis; corn; drought tolerance; genetic variation; genotyping; germplasm; grain protein; grain quality; grain yield; heat; heterozygosity; microsatellite repeats; parents; protein content; water stress; wheat; yield components
Abstract:
... Assessing the genetic variation and relationships present in crop germplasm is a pre-requisite for parental selection and breeding. The objective of this study was to determine the genetic relationships present among selected heat and drought tolerant wheat genotypes using simple sequence repeat (SSR) markers, agronomic traits and grain quality parameters to select desirable parents for breeding. ...
DOI:
10.1080/09064710.2020.1818818

12. Post-harvest residues of field pea/spring rye mixtures as a valuable source of biological nitrogen for winter triticale

Author:
Płaza, Anna; Gąsiorowska, Barbara; Rzążewska, Emilia
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 541-549
ISSN:
1651-1913
Subject:
biomass; flowering; grain yield; harvest date; nitrogen; nitrogen content; peas; rye; soil profiles; spring; triticale; winter
Abstract:
... The purpose of the work was to determine the effect of the post-harvest residue biomass of field pea, spring rye and their mixtures on mineral nitrogen content in the soil profile after the forecrop harvest, as well as the yield and quantity of nitrogen accumulated in winter triticale grain. An experiment was conducted to examine the following two factors: (I) forecrop – mixtures: field pea – pure ...
DOI:
10.1080/09064710.2020.1786157

13. The severity of diseases of faba bean depending on sowing rate and variety

Author:
Olle, Margit; Sooväli, Pille
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 572-577
ISSN:
1651-1913
Subject:
Ascochyta; blight; chocolate spot disease; crop production; disease severity; disease susceptibility; faba beans; plant pathogenic fungi; pods; seeds; sowing rates; Estonia; Latvia; Northern European region; Sweden
Abstract:
... Little research has been published about the occurrence of diseases in faba bean such as chocolate spot, ascochyta blight, or rust in Northern Europe. There is also little data about the impact of sowing rate or variety on disease development. Therefore, the purpose of this study was to assess the impact of variety and seeding rate on disease severity at Biologische Bundesanstalt, Bundessortenamt ...
DOI:
10.1080/09064710.2020.1814402

14. The severity of field pea diseases depending on sowing rate and variety

Author:
Olle, Margit; Sooväli, Pille
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 556-563
ISSN:
1651-1913
Subject:
Ascochyta; Peronospora viciae; Pisum sativum; Sclerotinia sclerotiorum; blight; climate; crop production; disease incidence; disease occurrence; downy mildew; fungal diseases of plants; peas; plant pathogenic fungi; seeds; sowing rates; Estonia; Greece; Latvia; Sweden
Abstract:
... Six varieties of field pea (Pisum sativum L.) were sown at two sowing rates over two years to assess the impact on disease occurrence in a Baltic climate. The varieties used were Bruno (Latvia), Capella (Sweden), Clara (Sweden), Kirke (Estonia), Onward (Greece), and Vitra (Latvia). The two sowing rates were 120 seeds per m² and 144 seeds per m². The increase in sowing rate by 20% did not influence ...
DOI:
10.1080/09064710.2020.1803958

15. Toxicity of a secondary metabolite produced by Simplicillium chinense Snef5 against the root-knot nematode Meloidogyne incognita

Author:
Zhao, Di; Zhu, Xiaofeng; Chen, Lijie; Liu, Weiwei; Chen, Jingsheng; Wang, Shuo; Zang, Jian; Duan, Yuxi; Liu, Xiaoyu
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.7 pp. 550-555
ISSN:
1651-1913
Subject:
Meloidogyne incognita; antimicrobial properties; bioactive compounds; biological control agents; carbon; chromatography; culture filtrates; dicarboxylic acids; fungi; lethal dose 50; light microscopes; microstructure; nematicidal properties; nuclear magnetic resonance spectroscopy; root-knot nematodes; scanning electron microscopy; secondary metabolites; stable isotopes
Abstract:
... We studied the bioactive compound of the fungus Simplicillium chinense strain Snef5, isolated from its culture filtrate. Following purification by chromatography, the structure of the secondary metabolite, identified as 2,6-pyridinedicarboxylic acid, was determined by spectroscopic methods (IR, ¹H, and ¹³C NMR) and scanning electron microscopy (SEM). The metabolite exhibited antimicrobial activity ...
DOI:
10.1080/09064710.2020.1791242

16. Biological control: a sustainable and practical approach for plant disease management

Author:
Tariq, Moh; Khan, Amir; Asif, Mohd; Khan, Faryad; Ansari, Taruba; Shariq, Mohammad; Siddiqui, Mansoor A.
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.6 pp. 507-524
ISSN:
1651-1913
Subject:
Nematoda; antibiotics; beneficial microorganisms; biological control; biological control agents; disease control; enzymes; food contamination; fungi; growth promotion; intensive farming; nutrition; plant growth; plant pathogens; pollution; rhizosphere; secretion; siderophores; soil; soil fertility
Abstract:
... This review deals with the mechanism of antagonistic action of bacterial and fungal biocontrol agents such as the production of antibiotics, siderophores, enzyme secretion, competition for nutrition, plant growth promotion by rhizosphere microorganism. The utilisation of synthetic pesticides has been the predominant control processor for diseases brought about by phytopathogenic microorganisms. No ...
DOI:
10.1080/09064710.2020.1784262

17. Changes in soil organic carbon fractions and bacterial community composition under different tillage and organic fertiliser application in a maize−wheat rotation system

Author:
Zhang, Daijing; Yang, Xueqian; Wang, Yanjie; Zong, Jiejing; Ma, Jianhui; Li, Chunxi
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.6 pp. 457-466
ISSN:
1651-1913
Subject:
Proteobacteria; bacteria; bacterial communities; community structure; cropping systems; deep tillage; fertilizer application; growing season; microbial carbon; no-tillage; organic fertilizers; soil organic carbon; soil quality; soil structure; summer; winter wheat; China
Abstract:
... The objective of this study was to assess the impact of different tillage and organic fertiliser regimes on soil carbon fractions and bacterial community composition within a maize–wheat cropping system. We conducted a six-year experiment on the Huang-Huai-Hai Plain of China. Six treatments were established: deep tillage (DT), shallow tillage (ST), no-tillage (NT), deep tillage with organic fertil ...
DOI:
10.1080/09064710.2019.1700301

18. Evaluation of bread wheat (Triticum aestivum L.) genotypes for yield and related traits under drought stress conditions

Author:
Semahegn, Yared; Shimelis, Hussein; Laing, Mark; Mathew, Isack
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.6 pp. 474-484
ISSN:
1651-1913
Subject:
Triticum aestivum; breeding programs; drought; drought tolerance; genotype; grain yield; planting date; prediction; rain; sowing date; water stress; wheat; yield components; Ethiopia
Abstract:
... Drought is a major factor threatening crop production worldwide. Developing wheat varieties that are adapted to drought prone environments is a sustainable strategy to improve wheat production and productivity. The aim of this study was to evaluate and select bread wheat genotypes for yield and yield components, and for stability under drought stress and non-stress conditions. One hundred and twen ...
DOI:
10.1080/09064710.2020.1767802

19. Genetic diversity analysis of common bean (Phaseolus vulgaris L.) genotypes for resistance to Mexican bean weevil (Zabrotes subfasciatus), using single nucleotide polymorphism and phenotypic markers

Author:
Tigist, Shiferaw G.; Melis, Rob; Sibiya, Julia; Amelework, Beyene A.; Keneni, Gemechu; Tegene, Asheber
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.6 pp. 495-506
ISSN:
1651-1913
Subject:
Phaseolus vulgaris; Zabrotes subfasciatus; beans; genetic distance; genetic variation; genotype; genotyping; germplasm; insects; phenotype; phenotypic variation; single nucleotide polymorphism; variance
Abstract:
... The objective of this study was to examine the genetic diversity present among 297 common bean genotypes using 2554 SNPs and 12 insects and seed-related traits. The phenotyping was done under laboratory condition while the genotyping was conducted by using the Illumina SNP BeadChip. High phenotypic diversity among traits were recorded, ranging from 0.87 to 0.96, with a mean of 0.92. Principal comp ...
DOI:
10.1080/09064710.2020.1779339

20. Harvest of green willow biomass for feed – effects of harvest time and frequency on yield, nutrient concentration, silage quality and regrowth

Author:
Larsen, Søren Ugilt; Erik Lærke, Poul; Jørgensen, Uffe
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.6 pp. 532-540
ISSN:
1651-1913
Subject:
biomass production; feed quality; harvest date; nitrogen; nutrient content; nutrient uptake; pH; phosphorus; potassium; regrowth; silage
Abstract:
... This study investigated the effects of harvest time during the growth season on yield, quality and regrowth of willow. An eight-year-old willow field was harvested in April 2017, and biomass was harvested either once during 2017 on five dates from 13 June to 27 October, harvested twice in June and October or not harvested in 2017. Biomass yield, nutrient uptake and silage quality were measured for ...
DOI:
10.1080/09064710.2020.1785542