Earthworm responses to cropping rotation with oilseed rape in no-tillage rice fields and the effects of earthworm casts on human-essential amino acid content in rice grains

Huang, Min; Zhao, Chunjiang; Zhou, Xuefeng; Chen, Guanghui; Zou, Yingbin; Uphoff, Norman

doi:10.1016/j.apsoil.2018.03.005

Cited by 12 publications

(8 citation statements)

References 24 publications

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“…On the other hand, the higher total amino acid in grains in Lingliangyou 268 than in Luliangyou 996 was attributable to increased efficiency of converting N to amino acid (i.e., higher ratio of amino acid to N) but not related to grain N content. This finding is not in agreement with that of Mossé et al [7], who reported that amino acid content increased linearly with N content in rice grains with a correlation coefficient close to one, but consistent with some previous studies [4,9,10], which indicated that changes in amino acid content were related to changes in amino acid metabolism in rice grains.…”

Section: Discussionsupporting

confidence: 53%

“…Mossé et al [7] observed that that amino acid content increases linearly with nitrogen (N) content in the grain of eight rice cultivars. However, Huang et al [4] found that increased grain amino acid content in rice with application of earthworm casts was not related to change in grain N content but to improved amino acid metabolism. Consistently, Liang et al [9] and Liu et al [10] reported that increased amino acid content in rice grains induced by high temperature during ripening was attributable to changes in activities of enzymes, including aspartate aminotransferase, aspartokinase, glutamine synthetase, glutamic oxalo-acetic transaminase, and glutamate pyruvate transaminase.…”

Section: Introductionmentioning

confidence: 98%

“…In recent years, the demand for high-quality rice production has increased in China as people's living standards are improving [2,3]. Provision of more nutritious foods is ever more demanded in the market place as people's health becomes a priority for the food industry and consumers alike [4]. However, rice is deficient in many nutrients [5].…”

Section: Introductionmentioning

confidence: 99%

“…Grain amino acid content is an important nutritional component in rice [6]. It has been well-documented that amino acid content in rice grains varies with cultivar, management practice, and environmental condition [4,[7][8][9][10]. However, the physiological mechanisms for the variation in amino acid content in rice grains are still controversial.…”

Section: Introductionmentioning

confidence: 99%

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Physiological Processes Contributing to the Difference in Grain Amino Acid Content between Two Hybrid Rice (Oryza sativa L.) Cultivars

Huang

Zhang²,

Zhao³

et al. 2019

Phyton

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Improving grain amino acid content of rice (Oryza sativa L.) is essential for the health of consumers. This study was conducted to identify the physiological processes that contribute to the higher grain amino acid content in hybrid rice cultivar Lingliangyou 268 compared to Luliangyou 996. The results showed that total amino acid content in grains was 9% higher in Lingliangyou 268 than in Luliangyou 996. There was no significant difference in grain nitrogen (N) content between Lingliangyou 268 and Luliangyou 996, while ratio of amino acid to N was 6% higher in Lingliangyou 268 compared to Luliangyou 996. A total of 16 differentially expressed proteins related to amino acid metabolism (e.g., erythronate-4-phosphate dehydrogenase domain containing protein) were identified in grains between Lingliangyou 268 and Luliangyou 996. The identified proteins were involved in 10 molecular functions. Six of the 10 defined functions were related to binding (heterocyclic compound binding, nucleoside phosphate binding, nucleotide binding, organic cyclic compound binding, protein binding, and small molecule binding) and the other 4 defined functions were catalytic activity, enzyme regulator activity, hydrolase activity, and transferase activity. These results indicate that the higher grain amino acid content in Lingliangyou 268 compared to Luliangyou 996 is attributed to increased efficiency of converting N to amino acid that results from altered expression of proteins related to amino acid metabolism.

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Section: Discussionsupporting

confidence: 53%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Physiological Processes Contributing to the Difference in Grain Amino Acid Content between Two Hybrid Rice (Oryza sativa L.) Cultivars

Huang

Zhang²,

Zhao³

et al. 2019

Phyton

Self Cite

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“…Such a viewpoint also can be supported by our recent investigations which showed that in-field earthworm density during the non-rice growing season was doubled by planting oilseed rape as compared to fallow in long-term, no-tillage rice-based fields 11 . Although the earthworms are likely to migrate away from fields during the early stage of rice-growing when rice fields are flooded (Fig.…”

Section: Introductionmentioning

confidence: 53%

Yield effect of applying earthworm castings produced during the oilseed rape-growing season in rice-oilseed rape cropping fields to rice

Huang

Zhao

Zou

et al. 2018

Sci Rep

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In-field earthworm density can be increased by planting oilseed rape during the non-rice growing season as compared to maintaining the rice-growing fields in fallow. This study was conducted to determine the effect on rice yield of earthworm castings produced during the oilseed rape-growing season in rice-oilseed rape cropping fields and to identify the critical factors that contribute to the yield effect. Field microplot experiments were conducted in 2016 and 2017. In 2016, a rice cultivar was grown under a factorial combination of absence (EC0: 0 kg m−2) and presence of earthworm castings (EC1: 17 kg m−2) with three N application rates (9, 12 and 15 g m−2). In 2017, nine rice cultivars were grown under EC0 and EC1 with the moderate N rate as was used in 2016. Results showed that application of earthworm castings produced during the oilseed rape-growing season in rice-oilseed rape cropping fields had a significant positive yield effect on rice. This was attributed to increased panicle m−2 and total aboveground biomass while spikelets panicle−1, spikelet filling percentage, grain weight, and harvest index were not affected. Our study indirectly provides a new evidence that oilseed rape is an excellent previous crop for cereals.

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Effects of Agricultural Practices and Chemicals on Earthworms

Edwards¹,

Arancon²

2022

Biology and Ecology of Earthworms

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Earthworm responses to cropping rotation with oilseed rape in no-tillage rice fields and the effects of earthworm casts on human-essential amino acid content in rice grains

Cited by 12 publications

References 24 publications

Physiological Processes Contributing to the Difference in Grain Amino Acid Content between Two Hybrid Rice (Oryza sativa L.) Cultivars

Physiological Processes Contributing to the Difference in Grain Amino Acid Content between Two Hybrid Rice (Oryza sativa L.) Cultivars

Yield effect of applying earthworm castings produced during the oilseed rape-growing season in rice-oilseed rape cropping fields to rice

Effects of Agricultural Practices and Chemicals on Earthworms

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