Temporal Growth Inhibition of Rice Plant and Growth Recovery Observed under Application of Anaerobically-DigestedCattle Manure

Nishikawa, Takeshi; Kido, Kaoru; Li, Kunzhi; Inoue, Hiromo; Inamura, Tatsuya

doi:10.1626/pps.16.154

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…Furthermore, the cumulative N uptake by rice plants in MF-10 plots was less than that in the corresponding CF-10 plots. The sandy soil in the experimental paddy field and the temporal growth stagnation from application of basal fertilizer to active tillering stage of rice plants observed in the MF plots (Nishikawa et al, 2013) would result in the lower N efficiency. As in the case of chemical N application, it is more appropriate to apply split fertilization method in using ADM for improving applied N efficiency.…”

Section: Discussionmentioning

confidence: 99%

Nitrogen Uptake by the Rice Plant and Changes in the Soil Chemical Properties in the Paddy Rice Field during Yearly Application of Anaerobically-Digested Manure for Seven Years

Nishikawa

Inamura

2014

Plant Production Science

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This study investigated the changes in the chemical properties of the plow soil during a 7-year period with yearly application of anaerobically-digested manure (ADM), and the effect of the different ADM application methods on nitrogen (N) uptake by rice plants and the apparent N balance (input N minus output N). Among the treatments significant differences were observed in the pH, total N, and available N in the plow soil. The cumulative N uptake by rice plants in the ADM split application plots was significantly higher than that in single application plots. Consequently, the apparent N balance (input N minus output N) in the single ADM application plots was more positive. This result suggests that split application of ADM is more favorable for N uptake by rice plants. Although the apparent N balance was negative in the plots without N fertilizer, with chemical N and with low ADM, there was no observable decline in the total N and available N in the plow soil. This result implies that input and output of N in these plots were well balanced by additional N supply other than fertilization. On the other hand, the apparent N balance during the 7-year study under standard and heavy application of ADM was positive, indicating the preservation of soil fertility.

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Section: Discussionmentioning

confidence: 99%

Nitrogen Uptake by the Rice Plant and Changes in the Soil Chemical Properties in the Paddy Rice Field during Yearly Application of Anaerobically-Digested Manure for Seven Years

Nishikawa

Inamura

2014

Plant Production Science

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Mass flow and energy balance plus economic analysis of a full-scale biogas plant in the rice–wine–pig system

Jiang

Kong

Duan

et al. 2015

Bioresource Technology

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Effect of the long-term application of anaerobically digested residual slurry on methane emissions in a rice paddy field

Tanaka

Nitta

Kido

et al. 2017

Soil Science and Plant Nutrition

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The anaerobic digestion of livestock manure is an environmentally compatible technology used for the production of renewable energy. Anaerobically digested residual slurry has been used worldwide as a liquid fertilizer in both upland and paddy fields. However, a controversial question remains as to whether the application of slurry to rice paddy fields increases methane emissions; although methane is one of the most prevalent greenhouse gases, little is known about the effects of the long-term application of residual slurry on methane emission. In this study, we repeatedly applied slurry to a paddy field for six years at different application rates (10, 15, and 20 g N m −2 based on ammoniumnitrogen content). At the fifth and sixth years of application, we evaluated the effect in terms of methane flux and soil total carbon content. The effect of the long-term application of the slurry (10 g N m −2 ) on grain yield was equivalent to that of chemical fertilizer (10 g N m −2 ). The application of the residual slurry was likely to increase the cumulative methane emissions during rice growing season in both 2006 and 2007. On the other hand, we observed that soil total carbon did not accumulate significantly in the soil. Thus, we cannot rule out the potential risk of additional methane emissions caused by the application of the residuary slurry to paddy fields.

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Temporal Growth Inhibition of Rice Plant and Growth Recovery Observed under Application of Anaerobically-DigestedCattle Manure

Cited by 4 publications

References 10 publications

Nitrogen Uptake by the Rice Plant and Changes in the Soil Chemical Properties in the Paddy Rice Field during Yearly Application of Anaerobically-Digested Manure for Seven Years

Nitrogen Uptake by the Rice Plant and Changes in the Soil Chemical Properties in the Paddy Rice Field during Yearly Application of Anaerobically-Digested Manure for Seven Years

Mass flow and energy balance plus economic analysis of a full-scale biogas plant in the rice–wine–pig system

Effect of the long-term application of anaerobically digested residual slurry on methane emissions in a rice paddy field

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