soil penetration resistance
Influence of the soil penetration resistance, bulk density and moisture on some components of winter wheat yield
... the soil were exami- ned during propagation, shooting, flowering and milk matu- rity, the determinations being made separately for each ...the soil, have been pre- sented in Table 1. Measurements of the ...
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Soil penetration resistance and tree root development
... ‘rootable’ soil profile of at least ...of soil types and climatic conditions (Moffat, ...loosened soil profile in terms of penetration ...to penetration resistance measured using ...
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Multifractal analysis of vertical profiles of soil penetration resistance at the field scale
... Abstract. Soil penetration resistance (PR) is widely used as an indirect indicator of soil ...strength. Soil PR is linked to ba- sic soil properties and correlated to root growth ...
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Design and Performance Evaluation of Circular Chisel Plow in Calcareous Soil
... loam soil as follows: The first field experiment conducted to select the optimum rotation velocity for the circular chisel plow so that three rotation velocity were tested (30, 60 and 90 ...efficiency, soil ...
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Biomass Productivity and Physical Properties of the Soil after Cultivation of Cover Plant in the Autumn and Winter
... The soil penetration resistance was evaluated using the Falker digital pene- trometer, model PenetroLOG-PGL 1020, with electronic capability for data ac- quisition, with four measurements per ...
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Evaluation of soil structure using participatory methods in the semiarid region of Brazil
... Soil penetration resistance (SPR) in NV, mainly at the ...Higher resistance in NV can also be related to a higher efficiency of roots in water absortion and also due to the interception, which ...
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Shoot and root growth of cereals under reduced tillage in Organic Farming in field trials in Germany and Greece
... on soil properties and cereal growth were investigated under contrasting climatic conditions in field trials in Germany and ...loam soil within a 5-year crop rotation (green fallow, winter wheat/catch crop, ...
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Long-term effect of soil conservation tillage on soil water content, penetration resistance, crumb ratio and crusted area
... in soil penetration ...treatments. Penetration resistance is mainly affected by the level of soil compaction and its water content (Chen et ...and soil state ...to soil ...
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Soil Tillage Systems and Wheat Yield in Climate Change Scenarios
... (i) soil water content had significantly influenced soil strong and consequently the tractors performance during ...the soil water content that is highly correlated with soil strength, values ...
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Vol 43, No 2 (2013)
... this soil feature (penetration resistance) is influenced by soil characteristics, taking into account the SPR before ...of soil penetration resistance, very important is ...
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The role of gypsum addition to the soil on the relation of wet bulk density with shearing strength and penetration resistance
... and soil penetration resistance were determined at o, 33, 100, 300, 500 and 1000 ...both soil shear strength and penetration resistance were increased with increasing soil ...
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Critical soil bulk density for soybean growth in Oxisols
... critical soil bulk density from the soil penetration resistance measure- ments for soybean root growth in Brazilian Amazon ...disturbed soil samples collected from the northwest of Para ...
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Effect of two-axle and three-axle sugarbeet tanker harvester on selected soil-physical properties in dry and wet soil conditions
... (gravimetric soil water content 20%) and wet (gravimetric soil water content 30%) soil conditions on bulk density, soil penetration resistance and saturated hydraulic ...loam ...
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Soil organic matter status and penetration resistance at alley cropping system on degraded acid dryland
... of soil organic matter can make the soil becomes compact, and clotted making that make roots difficult to ...the penetration resistance increases in soil containing high ...clay ...
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Effect of Soil Compaction and Bulk Density on the Growth and Yield of Soybean (Glycine max) on Sandy Clay Loam Soil of the Semi-arid Region of Northern Nigeria as Influenced by Tractor Wheel Traffic
... Arvidson and Hakansson [2] compared two compaction treatments on wheat yield. The treatments were zero compaction and compaction with 350 Mg of tractor wheel load. They reported that compaction caused a yield loss of ...
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Effect of soil compaction and organic matter on the early growth of maize (Zea mays) in a vertisol
... The soil used for this study was vertisol (Typic ...the soil profile, 120 km away from the University of Maiduguri in Borno ...the soil was estimated from the carbon content of the sample using the ...
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Effect of organic carbon content on the compactibility and penetration resistance of two soils formed from loess
... maximum soil bulk density were observed with increase of C ...Reduced soil com- patibility at higher C ...in resistance to deformation and increase in elasticity (Soane, ...
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Influence of Tillage Practices on Soil Physical Properties and Growth and Yield of Maize in Jabal al Akhdar, Libya
... A completely randomized block design was used in this study. Tillage was ran- domized within blocks. Data across the two years was assessed (residuals were homogeneous across years (Levene’s test) and normal distributed ...
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Influence of vehicular traffic on air permeability and groundnut production in a semi-arid sandy loam soil
... The experiment was conducted on the Agricultural and Environmental Resources Engineering Research Farm of the University of Maiduguri (11°50’ N, 13°05’ E). The mean rainfall and temperature during the growing period of ...
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Impact of soil compaction on root development and yield of meadow-grass
... the penetration resistance become stable on all treatments and did not change during 2008 and ...and penetration resistance were no- ticed in the upper, 0-10 cm, soil ...in soil ...
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