Soil pH change after surface application of lime related to the levels of soil disturbance caused by no-tillage seeding machinery

Flower, Ken; Crabtree, William L.

doi:10.1016/j.fcr.2010.11.014

Cited by 24 publications

(16 citation statements)

References 38 publications

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“…Those authors studied lower lime rates (4 to 12 Mg ha −1 ) for a longer time (8-years), in comparison to our studies. The slow movement of lime through the soil profile suggests that new liming techniques need to be developed to achieve deeper and faster lime response, mainly under NT conditions (Flower andCrabtree 2011, Kirkegaard et al 2014). Santos et al (2018) showed that lime incorporation before the adoption of NT is more efficient and faster in mitigating Al toxicity to the roots as compared to the surface liming.…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies have shown that mechanical incorporation of lime before initiating NT, or even in established NT fields, can result in faster and more uniform amelioration of topsoil acidity (0 to 20 cm) than surface application (Farina et al 2000, Santos et al 2018. Shallow incorporation of lime can be achieved using subsoilers, chiselers or seeders equipped with shanks to disrupt the soil below furrow (Richards et al 1995, Klein et al 2007, Flower and Crabtree 2011 may improve subsoil chemical conditions, as compared to lime application on the surface.…”

Section: Introductionmentioning

confidence: 99%

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Lime movement through highly weathered soil profiles

Nunes

Denardin

Vaz

et al. 2019

Environ. Res. Commun.

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Applying lime is a fundamental practice for abating acidity in highly weathered soil, but better management strategies for no-till systems are needed to prevent surface pH elevation with little to no subsurface effects. This study was conducted to quantify chemical changes within the soil profile in response to lime and straw applications under both greenhouse and field conditions. Four controlled environment experiments (soil columns) and one field study were conducted on soils classified as Rhodic Hapludox and Rhodic Eutrodox. The soil column experiments evaluated four lime rates (0, 3.9, 7.8, or 15.6 Mg ha −1 ) and four straw rates (0, 4, 12 and 16 Mg ha −1 ) either individually or in combination. Lime treatments were surface applied or incorporated in the top 5-cm, while straw treatments were incorporated in the top 5-cm. In the field, lime rates of 0, 8.3 and 33.2 Mg ha −1 were incorporated into the 0 to 10-cm depth in both a soybean [Glycine max] monoculture and diversified cropping system with white oat (Avena sativa), soybean, black oats (Avena strigosa), corn (Zea mays) and wheat (Triticum aestivum). Both field and soil columns studies showed minimal lime movement into the soil profile with chemical changes being limited to 2.5-cm below where it was applied or incorporated regardless of cropping system. Surface application of high lime rates promoted chemical stratification resulting in dramatic increases in topsoil pH and exchangeable Ca and Mg levels with minimal mitigation of subsurface soil acidity. Other studies also suggest that lime movement into the soil profile can vary depending on the experimental condition. Therefore, additional investigations across a wider geographic area, greater range of weather and climatic conditions, methods and rates of lime application need to be conducted to improve lime recommendation for high weathered soil managed using no-till practices.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Lime movement through highly weathered soil profiles

Nunes

Denardin

Vaz

et al. 2019

Environ. Res. Commun.

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“…Barley had the largest yield response to soil pH in comparison with wheat and triticale (Liu et al, 2004). There was found a significant positive relationship between top soil (0-10 cm) pH and yield of wheat, and top and subsoil (11-20 cm) pH and yield of barley (Flower, Crabtreec, 2011). The optimal soils for growing of these cereals are slightly acid or neutral soils (pH KCl 6.0-7.0).…”

Section: Resultsmentioning

confidence: 84%

The changes of soil acidity in long-term fertilizer experiments

Vigovskis¹,

Jermuss²,

Svarta³

et al. 2016

Zemdirbyste-Agriculture

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The paper describes the influence of long-term (more than 30 years) fertilizer and lime application on the soil acidity (pH Cl ) and identifies the influence of soil acidity on the productivity of crops. Since 1994, a seven-year crop rotation was created: (1) winter triticale → (2) potatoes → (3) spring wheat → (4) spring oilseed rape → (5) spring barley → (6) and (7) perennial grasses (red clover, timothy), 1 st and 2 nd year of use. At the beginning of the experiment, the soil in treatments F0 and F2 was very strongly acid (pH KCl 4.7) but in treatments F1 and F3 -moderately acid (pH KCl 5.6). In limed treatments the soil acidity decreased from pH 4.8 to pH 5.8-6.0. In the following years till 1994, the soil acidity in limed treatments gradually increased (for about 0.4-0.6 pH units). After the first maintenance liming, the soil acidity reached nearly the previous highest level. Within the next twenty years, in the treatments with highest liming rate (11.40 t ha -1 CaCO 3 ) the soil acidity increased to pH 5.2. In treatments with low liming rate (2.58 t ha -1 CaCO 3 ), the soil acidity increased to pH 4.6, which was even lower than at the beginning of the experiment (pH 4.8). Without maintenance liming, the soil acidity during 20 years increased by 0.7-0.8 pH units. In the unlimed treatments, the soil acidity gradually increased from pH 4.8 to 4.4.

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“…Acidifying processes can cause soil pH to fall quite quickly. Soil acidity can be corrected by applying lime, which is relatively insoluble, and most recommendations involve ploughing to incorporate and mix the ameliorant into the soil [3]. Lime addition causes a significant improvement in soil properties in a short time by reducing plasticity and eliminating swelling [4].…”

Section: Introductionmentioning

confidence: 99%

Potential of On-Line Visible and Near Infrared Spectroscopy for Measurement of pH for Deriving Variable Rate Lime Recommendations

Tekin

Kuang

Mouazen

2013

Sensors

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This paper aims at exploring the potential of visible and near infrared (vis-NIR) spectroscopy for on-line measurement of soil pH, with the intention to produce variable rate lime recommendation maps. An on-line vis-NIR soil sensor set up to a frame was used in this study. Lime application maps, based on pH predicted by vis-NIR techniques, were compared with maps based on traditional lab-measured pH. The validation of the calibration model using off-line spectra provided excellent prediction accuracy of pH (R2 = 0.85, RMSEP = 0.18 and RPD = 2.52), as compared to very good accuracy obtained with the on-line measured spectra (R2 = 0.81, RMSEP = 0.20 and RPD = 2.14). On-line predicted pH of all points (e.g., 2,160) resulted in the largest overall field virtual lime requirement (1.404 t), as compared to those obtained with 16 validation points off-line prediction (0.28 t), on-line prediction (0.14 t) and laboratory reference measurement (0.48 t). The conclusion is that the vis-NIR spectroscopy can be successfully used for the prediction of soil pH and for deriving lime recommendations. The advantage of the on-line sensor over sampling with limited number of samples is that more detailed information about pH can be obtained, which is the reason for a higher but precise calculated lime recommendation rate.

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Soil pH change after surface application of lime related to the levels of soil disturbance caused by no-tillage seeding machinery

Cited by 24 publications

References 38 publications

Lime movement through highly weathered soil profiles

Lime movement through highly weathered soil profiles

The changes of soil acidity in long-term fertilizer experiments

Potential of On-Line Visible and Near Infrared Spectroscopy for Measurement of pH for Deriving Variable Rate Lime Recommendations

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