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Witt, Christian; Cassman, Kenneth G.; Olk, Daniel C.; Biker, U.; Liboon, S. P.; Samson, M. I.; Ottow, J. C. G.

doi:10.1023/a:1026594118145

Cited by 225 publications

(35 citation statements)

References 30 publications

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“…These results were in agreement with previous studies 25, 26 that reported that yield components were affected by the fertilizations, and consequently, crop yields were usually greater depending on the soil fertility 27 . A close positive correlation between nutrient uptake and crop yield has also been reported previously 13, 28 . The highest rice and oilseed rape yields were observed at the JZ site, followed by SY and HH, due to their correspondingly higher N, P and K uptakes.…”

Section: Discussionsupporting

confidence: 86%

Effects of fertilization on crop production and nutrient-supplying capacity under rice-oilseed rape rotation system

Yousaf

Lü

et al. 2017

Sci Rep

189

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Incredible accomplishments have been achieved in agricultural production in China, but many demanding challenges for ensuring food security and environmental sustainability remain. Field experiments were conducted from 2011–2013 at three different sites, including Honghu, Shayang, and Jingzhou in China, to determine the effects of fertilization on enhancing crop productivity and indigenous nutrient-supplying capacity (INuS) in a rice (Oryza sativa L.)-rapeseed (Brassica napus L.) rotation. Four mineral fertilizer treatments (NPK, NP, NK and PK) were applied in a randomized complete block design with three replicates. Crop yields were increased by 19–41% (rice) and 61–76% (rapeseed) during the two years of rice-rapeseed rotation under NPK fertilization compared to PK fertilization across the study sites. Yield responses to fertilization were ranked NPK > NP > NK > PK, illustrating that N deficiency was the most limiting condition in a rice-rapeseed rotation, followed by P and K deficiencies. The highest and lowest N, P and K accumulations were observed under NPK and PK fertilization, respectively. The INuS of the soil decreased to a significant extent and affected rice-rapeseed rotation productivity at each site under NP, NK, and PK fertilization when compared to NPK. Based on the study results, a balanced nutrient application using NPK fertilization is a key management strategy for enhancing rice-rapeseed productivity and environmental safety.

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Section: Discussionsupporting

confidence: 86%

Effects of fertilization on crop production and nutrient-supplying capacity under rice-oilseed rape rotation system

Yousaf

Lü

et al. 2017

Sci Rep

189

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“…These results agree with the generally observed trend of increasing C-contents in soils in Chinese rice paddies over the last two decades (Huang and Sun 2006), which has been explained by their specific hydrothermal and biochemical conditions (Cai 1996). Under anaerobic conditions, both the decomposition of amended organic matter and mineralization of native SOC are lower than those under aerobic conditions (Witt et al 2000;Guo and Lin 2001). Moreover, the quality of SOC may change under extended periods of anaerobiosis.…”

Section: Soil Organic C Accumulation In Paddy Soilssupporting

confidence: 90%

Organic carbon fractions affected by long-term fertilization in a subtropical paddy soil

Huang

Wang

Peng

et al. 2009

Nutr Cycl Agroecosyst

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Increasing evidence is showing a greater potential for carbon (C) sequestration in paddy soils than in upland soils. However, the mechanisms underlying long-term accumulation and protection of soil organic carbon (SOC) in paddy fields have not been well documented. In the present study, five soil C fractions were separated by physical fractionation in a subtropical paddy field following 27-year differential fertilization regimes (started in 1981). Results showed that, compared to the initial level, long-term rice (Oryza sativa L.) cropping increased SOC concentrations by 28.8, 30.1, 30.8, and 61.6% in the non-fertilized (CK), nitrogen (N), nitrogenphosphorus-potassium (NPK), and NPK combined with farmyard manure (NPK ? FYM) treatments, respectively. Application of FYM enhanced the formation of macroaggregates ([2,000 and 250-2,000 lm), whereas no significant differences in aggregate-size distribution were found among the CK, N, and NPK treatments. Inorganic fertilization (N and NPK) did not affect the concentration of either total SOC or any C fraction as compared with the CK, whereas application of FYM significantly increased the concentrations both in total SOC (25.5%) and in all C fractions, except coarse particulate organic matter (cPOM). Carbon in the paddy soil was dominated by free silt and clay (s ? c_f) and intra-aggregate particulate organic matter within microaggregates (iPOM_m) in all treatments that accounted for 46.4-49.6% and 25.1-27.2% of the total SOC, respectively. Furthermore, the differences in C in the iPOM_m and s ? c_f fractions between the CK and NPK ? FYM treatments accounted for 53.2 and 38.8% of the differences in total SOC stocks, respectively. These results indicate that SOC originating from manure is stored mainly in fractions with slow turnover (i.e., iPOM_m and s ? c_f), which may benefit the long-term C sequestration in paddy soils.

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“…Recently-released N from incorporated straw could act as a N resource contributing to N min increase. When maize straw was applied to the soil, the microbes present in this layer were able to act as a sink to immobilize nitrogen compounds by breaking down crop straw and then speeding up the N mineralization [49]. This indicated that with straw decomposition, a portion of straw N could be transformed as N min in soil N cycling [50].…”

Section: Soil Doc Mbc N Min Available P Exchangeable K and Enzymmentioning

confidence: 99%

Effects of Straw-Return Method for the Maize–Rice Rotation System on Soil Properties and Crop Yields

Han

Zhou

et al. 2020

Agronomy

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Exploring suitable maize straw-return measures is essential for the new double-cropping system of maize (Zea mays L.)–rice (Oryza sativa L.) rotation in the middle reaches of Yangtze River in China, which can increase crop yield by improving soil quality. In this study, four straw-return measures were evaluated by investigating the soil bulk density (BD), organic matter (OM), microbial community, and nutrients from 2016 to 2018. The four straw-return treatments were as follows: (1) no straw-return (CK), (2) only rice straw incorporated into the field (M0Ri), (3) both maize and rice straw incorporated to field (MiRi), and (4) maize straw mulched and rice straw incorporated into the field (MmRi). Compared to CK, two-season crop straw-return treatments changed soil microbial community composition, and increased soil total organic carbon (TOC) and dissolved organic carbon (DOC), microbial biomass carbon (MBC), mineralized nitrogen (Nmin), available phosphorus (P) and exchangeable potassium (K) in the 0–20 cm soil layer by 3.6%, 63.4%, 38.8%, 12.4%, 39.7%, and 21.6%, respectively, averaged across MmRi and MiRi treatments. In addition, MmRi and MiRi increased annual yield by 9.1% and 15.2% in 2017 and 11.7% and 12.9% compared to CK in 2018, respectively. MmRi exhibited superiority in the soil microbial community, enzyme activities, DOC, MBC, Nmin, available P, and exchangeable K in contrast to MiRi. We concluded that MmRi is the best measure to implement for straw-return in maize–rice rotation systems.

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Cited by 225 publications

References 30 publications

Effects of fertilization on crop production and nutrient-supplying capacity under rice-oilseed rape rotation system

Effects of fertilization on crop production and nutrient-supplying capacity under rice-oilseed rape rotation system

Organic carbon fractions affected by long-term fertilization in a subtropical paddy soil

Effects of Straw-Return Method for the Maize–Rice Rotation System on Soil Properties and Crop Yields

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