Soil Frost Control: Its Application to Volunteer Potato Management in a Cold Region

Hirota, Tomoyoshi; Nemoto, Minoru; Inoue, Satoshi; Yazaki, Tomotsugu; Usuki, Kazuei; Yanai, Yosuke; Suzuki, Takeshi; Shirahata, Masaki; Kajiyama, Tsutomu; Araki, Koji; Maezuka, Kenji

doi:10.1007/978-1-4614-8253-6_5

Cited by 7 publications

(2 citation statements)

References 13 publications

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“…4b and 4d) lets them survive over winter and sprout in spring, causing the interference with the growth of another crop in rotation fields or the infestation of endemic diseases. Recently the snow plowing by machine operators has been attempted to promote the soil frosting (Hirota et al 2012). As the snow plowing corresponds to the decrease in precipitation under the thick-snow covering regime, a sucessful control makes the situation go downward from the reference in Fig.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Soil-Frost Depth Change in Eastern Hokkaido under +2 K-World Climate Scenarios

Inatsu

Tominaga

Katsuyama

et al. 2016

SOLA

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A future change in the soil-frost depth in eastern Hokkaido was assessed with multiple local climate scenarios. The biascorrected downscaled data with an aid of a simple snow-depth model were applied to the empirical estimation from cumulative freezing degree-days (CFD) for days when the snow depth is less than 20 cm. Consequently, as the response to global warming climate that was defined as +2-K world in this paper, the maximum soil-frost depth significantly decreased in the coastal regions along the Pacific and in central Tokachi subprefecture with a slight variation among climate scenarios. Parameter-sweep experiments for two observed cases clarified that the temperature increase would bring the soil warming in the environment where the insulation effect of snow cover does not work at present, while it would bring the soil frosting in the environment where the insulation effect works.(Citation: Inatsu, M., J. Tominaga, Y. Katsuyama, and T. Hirota, 2016: Soil-frost depth change in eastern Hokkaido under +2 K-world climate scenarios. SOLA, 12, 153−158,

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Section: Conclusion and Discussionmentioning

confidence: 99%

Soil-Frost Depth Change in Eastern Hokkaido under +2 K-World Climate Scenarios

Inatsu

Tominaga

Katsuyama

et al. 2016

SOLA

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“…Low temperatures negatively impact structures and agricultural products, including orchards. On the other hand, agricultural techniques have been developed in cold and snowy regions to use low temperatures in applications such as soil frostcontrol weeding (Hirota et al 2011(Hirota et al , 2013Shimoda et al 2015;Yanai et al 2017;Yazaki et al 2013b;Shimoda and Hirota 2018) or buildings and storage-area cooling (Kimura et al 2010). These applications increase the need for accu rate winter agrometeorological forecasts, especially for air temperature.…”

Section: Introductionmentioning

confidence: 99%

Factors and Mechanisms Affecting the Air Temperature Distribution on a Clear Winter Night in a Snow-Covered Mesoscale Plain

Fukushima

Yazaki

Hirota

et al. 2019

Journal of the Meteorological Society of Japan

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There is an increasing need for accurate winter agrometeorological forecasts, which is facilitated by a better understanding of the evolution process of nighttime airtemperature distribution. However, studies on how air temperature distributions evolve in mesoscale plains have been limited. To clarify how the low temperatures in winter nights form, we analyzed the effects of topography and boundarylayer wind on the temperature distribu tion of the Tokachi region for a winter night using numerical simulations by the Japan Meteorological Agency Nonhydrostatic Model (JMA-NHM) with horizontal grid spacing of 2 and 5 km. We also analyzed vertical pro files of boundary-layer atmospheric conditions. The results show that although boundarylayer wind is expected to affect the temperature distribution over the entire Tokachi region, the effects were generally confined to the northwestern part. Widespread effects over the Tokachi region were found only under strong wind conditions. We found that the mountain pass in the northwestern part of the Tokachi region is an important wind path, and the downslope winds as well as the sensible

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Ecology and Physiology

Matsumoto

Hsiang

2016

Snow Mold

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Soil Frost Control: Its Application to Volunteer Potato Management in a Cold Region

Cited by 7 publications

References 13 publications

Soil-Frost Depth Change in Eastern Hokkaido under +2 K-World Climate Scenarios

Soil-Frost Depth Change in Eastern Hokkaido under +2 K-World Climate Scenarios

Factors and Mechanisms Affecting the Air Temperature Distribution on a Clear Winter Night in a Snow-Covered Mesoscale Plain

Ecology and Physiology

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