Impact of Soil Fertility in 93 Paddy Fields of Hokuriku Region

Dongpo Li (), Teruaki Nanseki (), Yosuke Chomei (), Takashi Sasaki (), Butta Toshihiro () and Arata Numata ()
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Dongpo Li: Hunan University of Technology and Business
Teruaki Nanseki: Kyushu University
Yosuke Chomei: Kyushu University
Takashi Sasaki: Yokota Farm Co. Ltd
Butta Toshihiro: Butta Agricultural Products Ltd
Arata Numata: Butta Agricultural Products Ltd

A chapter in Empirical Analyses on Rice Yield Determinants of Smart Farming in Japan, 2021, pp 103-120 from Springer

Abstract: Abstract To contend with decreasing gross amounts and soaring costs, viable rice production in Japan requires high yield levels. This chapter assessed the effects of nitrogen fertilizer and soil chemical properties on rice yield. Data were collected from 93 paddy fields at a farm larger than 30 hectares in Hokuriku Region, Japan. Koshihikari, the most widely planted rice variety in Japan, was cultivated in the sampled fields. Soil chemical properties were quantified using 12 variables, namely pH, cation exchange capacity, phosphoric acid content, silicic acid content, content, and saturation of the three exchangeable bases, and the equivalent ratios of calcium to magnesium and magnesium to potassium.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-981-33-6256-7_7

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DOI: 10.1007/978-981-33-6256-7_7

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