Development and Laboratory Evaluation of an Online Controlling Algorithm for Precision Tillage [PDF]
Sensors, 2021 Soil compaction management relies on costly annual deep tillage. Variable-depth tillage or site-specific tillage modifies the physical properties of the soil at the required zones for the growth of crops.
Yashar Sabouri +5 more
doaj +2 more sources
Bionic Nonsmooth Drag Reduction Mathematical Model Construction and Subsoiling Verification [PDF]
Applied Bionics and Biomechanics, 2021 In this study, a bionic nonsmooth drag-reducing surface design method was proposed; a mathematical model was developed to obtain the relationship between the altitude of the nonsmooth drag-reducing surface bulges and the spacing of two bulges, as well as
Baoguang Wu +8 more
doaj +2 more sources
DEM Study and Field Experiments on Coupling Bionic Subsoilers [PDF]
BiomimeticsSubsoiling is an effective tillage method for breaking up the plough pan and reducing soil bulk density. However, subsoilers often encounter challenges such as high draft resistance and excessive energy consumption during operation.
Zihe Xu +5 more
doaj +2 more sources
Composite Biomimetic Multi-Subsoiler for Drag Reduction and Wear Resistance Simulation and Experimental Validation [PDF]
BiomimeticsIn the process of operating subsoiling implements on sloping red soil in Southwest China, the subsoiler tip faces significant challenges due to strong soil adhesion and severe compaction.
Xiaoyang Wang +6 more
doaj +2 more sources
Comparison between Random Forests, Artificial Neural Networks and Gradient Boosted Machines Methods of On-Line Vis-NIR Spectroscopy Measurements of Soil Total Nitrogen and Total Carbon. [PDF]
Sensors (Basel), 2017 Accurate and detailed spatial soil information about within-field variability is essential for variable-rate applications of farm resources. Soil total nitrogen (TN) and total carbon (TC) are important fertility parameters that can be measured with on ...
Nawar S, Mouazen AM.
europepmc +4 more sources
Frontiers in Environmental Science, 2022 Sandy loam soils are widespread and important for agricultural soil use. The lateral stress caused by the loosening shovel of a subsoiler produces lateral disturbances in sandy loam soil, reducing compaction and improving soil structure.
Kuan Qin +4 more
exaly +3 more sources
Prediction of tractor drawbar pull under different tillage tools using machine learning and low-cost sensors [PDF]
Scientific ReportsMachine-learning models were developed to predict the drawbar pull of a 78-kW-class tractor for moldboard, chisel, and subsoiler plows. Four models were tested: random forest (RF), extreme gradient boosting (XGB), artificial neural network (ANN), and ...
So-Yun Gong +6 more
doaj +2 more sources
Specific energy requirements and soil pulverization of a combined tillage implement [PDF]
Heliyon, 2019 Reducing energy use in soil preparation has become increasingly important since it is a major cost in planting. Experiments were conducted with a combined tillage implement consisting of a subsoiler and a rotary harrow to reduce the cost due to step ...
Prathuang Usaborisut +1 more
doaj +2 more sources
Online measurement of soil organic carbon as correlated with wheat normalised difference vegetation index in a vertisol field. [PDF]
ScientificWorldJournal, 2014 This study explores the potential of visible and near infrared (vis-NIR) spectroscopy for onlinemeasurement of soil organic carbon (SOC). It also attempts to explore correlations and similarities between the spatial distribution of SOC and normalized ...
Tekin Y +3 more
europepmc +6 more sources
Agriculture (Switzerland)Saline-alkali soil has the characteristics of high density, high firmness and poor permeability. Aiming at the problems of shallow subsoiling depth, large subsoiling specific resistance and small soil bulkiness in subsoiling operation in saline-alkali ...
LIU MIN
exaly +3 more sources