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| 1 | Field experimental study on optimal design of the rotary strip-till tools applied in rice-wheat rotation cropping system显示文摘The rice-wheat rotation system plays a significant role in Asian agriculture.The introduction of strip-tillage into the rice-wheat system for wheat planting offers a way to use conservation tillage practices to improve the seedbed quality,retain residue between rows and reduce energy input.A field experiment was conducted using an in-situ test rig.Three types of blade(bent C,straight and hoe)were evaluated in four tool configurations at four rotary speeds(180 r/min,280 r/min,380 r/min and 510 r/min)in a paddy soil.Furrow shape parameters,tillage-induced soil structures and energy consumption were assessed.Results showed that the straight blade configuration failed to create a continuous furrow at either 180 r/min or 510 r/min.The bent C blade configuration produced a uniform furrow profile but its furrow backfill was poor and unsuitable for seeding.The hoe blade configuration cut a continuous furrow and better tillage-induced soil structure,but it produced a much wider and non-uniform furrow shape.The mixed blade configuration(central hoe blades with two straight blades aside)provided a uniform furrow with good backfill and fine tilth by utilizing both the cutting effect of straight blades on the furrow boundaries and tensile fracturing of the furrow soil by the hoe blades.The torque of the mixed blade configuration was comparable with the bent C blade but was less than the hoe blades.Hence,a mixed blade configuration was recommended for rotary strip-tillage seeding using in rice-wheat system. | Yanshan Yang John Fielke Qishuo Ding Ruiyin He | 2018 | International Journal of Agricultural and Biological Engineering2018，11，2： | 2 |
| 2 | Simulation of the dynamic behaviour of a tractor-oscillating subsoiler system 显示文摘 | Shahgoli G Fielke J Saunder C | 2010 | Biosystems Engineering2010，106，： | 1 |
| 3 | Furrow Parameters in Rotary Strip- tillage : Effect of Blade Geometry and Rotary Speed显示文摘 | Matin M A Fielke J M Desbiolles J M A | 2014 | Biosystems Engi- neering2014，118，： | 1 |
| 4 | Finite element modeling of the interaction of the cutting edge of tillage implements with soil显示文摘 | Fielke J M | 1999 | Journal of Agricultural Engineering Research1999，74，2： | 1 |
| 5 | Optimising oscillation frequency in fscillatory tillage显示文摘 | Shahgoli G Fielke J Desbiolers J | 2010 | Soil and Tillage Research2010，106，2： | 1 |
| 6 | Ganciclovir:a selective inhibitor of herpers group virus replication显示文摘 | Fielk AK | 1983 | Prot Natl Acad Sci USA1983，80，： | 1 |
| 7 | Simulation of the dynamic behaviour of a tractor-oscillating sub- soiler system 显示文摘 | Shahgoli G Fielke J Saunders C | 2010 | Biosystems Engineering2010，106，2： | 1 |
| 8 | Finite element modeling of the cutting edge of tillage implements with soil 显示文摘 | Fielke J M | 1999 | Journal of Agricultural Engineering Research1999，74，1： | 1 |
| 9 | Optimising Oscillation Frequency in Oscillatory Tillage 显示文摘 | SHAHGOLI G FIELKE J DESBIOLLES J | 2010 | Soil and Tillage Research2010，106，2： | 1 |
| 10 | Phylogenetic relationships of Cryptsporidium determined by ribosomal RNA sequence comparison显示文摘 | Johnson AM Fielke R Lumb R | 1990 | Int J Parasitol1990，20，2： | 1 |
| 11 | Optimising oscillation frequency in oscillatory tillage 显示文摘 | Gholamhossein Shahgoli John Fielke Jacky Desbiolles etc | 2009 | Soil & Tillage Research2009，，2： | 1 |
| 12 | Optimising oscillation frequency in oscillatory tillage显示文摘 | Gholamhossein Shahgoli John Fielke Jacky Desbiolles Chris Saunders | 2009 | Soil & Tillage Research2009，，2： | 1 |
| 13 | Optimising oscillation frequency in oscillatory tillage 显示文摘 | Gholamhossein Shahgoli John Fielke Jacky Desbiolles | 2010 | Soil & Tillage Research2010，106，2： | 1 |
| 14 | Simulating the cornering behaviour of multiple trailed implements显示文摘 | Schneider T Fielke J M | 2008 | Biosystems Engineering2008，100，3： | 1 |
| 15 | Simulation of the dynamic behaviour of a tractor-oscillating subsoiler system显示文摘 | Shahgoli G Fielke J Saunders C | 2010 | Biosystems Engineering2010，106，2： | 1 |
| 16 | Furrow parameters in rotary strip-tillage ; effect of blade geometry androtary speed显示文摘 | MATIN Md A FIELKE John M DESBIOLLES Jacky M A | 2014 | Biosystems Engineering2014，118，： | 1 |
| 17 | Comparison of tillage force and Wear rates of pressed and cast cultivator shares显示文摘 | Fielke JM Riley TW Slattery M G | 1993 | Soil Tillage Res1993，6，2： | 1 |
| 18 | Simulation of the dynamicbehaviour of a tractor-oscillating subsoiler system显示文摘 | Shahgoli G Fielke J Saunder C | 2010 | BiosystemsEngineering2010，106，： | 1 |
| 19 | Circular Disc Blade Considerations in Soil Force Prediction Modelling显示文摘 | Ali Khosravani Goshtasb Jack Desbiolles John Fielke | 2014 | Journal of Agricultural Science and Technology(A)2014，4，5： | 0 |
| 20 | Some physical properties of Australian Nonpareil almonds related to bulk storage显示文摘The Australian almond industry desires to improve storage of harvested almonds awaiting processing.The present work quantified some storage-related physical properties of almonds.The sample used in the study was Nonpareil almonds with a kernel moisture content of 4.5% d.b.The mass composition of the sample was 55% hull,32% kernel and 13% shell.Tests showed that the bulk stored in-shell almonds had only 41% of the volume of in-hull almonds and 45% of the mass.Thus removing hulls before storage would result in saving both storage and subsequent transportation costs.Tests simulating various storage heights of almonds showed that a 10 m storage height of almonds increased the bulk density of in-hull almonds from 320 to 355 kg/m^(3),of in-shell almonds(hull removed)from 356 to 378 kg/m3,and kernels(hull and shell removed)from 604 to 649 kg/m^(3).A 10 m storage height of almonds reduced the porosity of in-hull almonds from 67% to 64%,of in-shell almonds from 58% to 55%,and of the kernel from 48% to 44%.Observation showed that the change in bulk density and porosity occurred in an exponential manner with fitted curves that provided R2 between 0.97 and 0.99. | Zheng Dingke John Fielke | 2014 | International Journal of Agricultural and Biological Engineering2014，7，5： | 0 |
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