Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis

Islam, Mahbub Ul; Guo, Zichun; Jiang, Fahui; Peng, Xinhua

doi:10.1016/j.fcr.2022.108447

Cited by 80 publications

(51 citation statements)

References 45 publications

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“…In the field of research, many studies and experiments to increase food production have been done (Deprá et al 2022, He et al 2021, Tian et al 2021, Wu et al 2018). Nevertheless, some research was conducted to increase food production in focus more to improve corps yield (Guo et al 2022, Islam et al 2022, Yue et al 2022. FAO (2021) stated that crop production in 2019 reached 9.4 billion tonnes, an increase of 3.2 billion tonnes or 53% more than in 2000, with rice being 0.8 billion tonnes or 8% of total crop production in 2019.…”

Section: Introductionmentioning

confidence: 99%

Correlation of Rice Production and Greenhouse Gas Emissions in North Sulawesi Province

Suli¹,

Damanik²

2023

J. Ilmu. Pertan. Indones.

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This study aimed to reveal correlation, calculate significance, and discover the regression equation of rice production to Green House Gas (GHG) emission in North Sulawesi Province. The data on GHG emissions from rice cultivation (Gg CO2eq) was obtained from the Ministry of Environment and Forestry of Indonesia. Data on rice production from wetland and dryland (Gg) was from the BP Statistical Review annual period of 2000-2021, both for North Sulawesi Province. Data analysis of correlation coefficient, F-test for Regression, and Simple Regression Analysis will be processed with the help application of MS Excel. The results show that the correlation between rice production and emission of rice cultivation in North Sulawesi Province is 0.53 and classified as a moderate correlation. The coefficient of determination stated that the emission of rice cultivation could be explained by about 28.6% from rice production. Therefore, rice production is statistically significant to the emission of rice cultivation with a 5% confidence level for North Sulawesi Province. Furthermore, this study found a regression equation, emission of rice cultivation is 112.67 + 0.516 times rice production. Keywords: correlation coefficient, green house gas emission, rice production

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Section: Introductionmentioning

confidence: 99%

Correlation of Rice Production and Greenhouse Gas Emissions in North Sulawesi Province

Suli¹,

Damanik²

2023

J. Ilmu. Pertan. Indones.

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“…Recently, the return of crop straw to field as fertilizer is conceived and intensively studied as a promising technology to support the sustainable development of modern agriculture ( Yan et al, 2019 ). Compared to the straw burning, return of crop straw to field has no detrimental effects on air quality and is able to improve soil fertility, maintain soil biodiversity, and promote plant growth ( Ma et al, 2020a ; Wang et al, 2021 ; Islam et al, 2022 ). For instance, after returning straw to fields, with the release of nutritional compositions in crop straw, soil organic carbon content increased significantly by 13.97% ( Wang et al, 2020 ; Wang et al, 2021 ), while soil nitrogen (N) content and crop yield increased by 11% and 7%, respectively ( Wang et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Emerging technologies of employing algae and microorganisms to promote the return-to-field of crop straws: A mini-review

2023

Front. Bioeng. Biotechnol.

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As an agricultural waste, crop straw enriched with a variety of nutrients is regarded as an important fertilizer resource. In the past, crop straw return-to-field played a key role in the sustainability of agricultural environment, but some problems, such as ammonia loss in ammoniation, low rate of straw decomposition, and high carbon footprint, attracted researchers’ attentions. In this paper, we propose three technical routes, including cyanobacteria-based ammonia assimilation, microorganisms-based crop straw pretreatment, and microalgae-based carbon capture, to address the aforementioned problems. Besides, challenges which may hinder the practical application of these technical routes as well as the potential solutions are discussed in detail. It is expected that this paper could provide new ideas to the practical application of crop straw return-to-field.

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“…However, contradictory results were observed with different amounts of straw returning (Jin et al, 2020), due to local climatic conditions and soil properties (Hao et al, 2022). Excessive straw returning usually resulted in an undesirable soil C:N ratio (Zhang et al, 2015), prevented straw mineralization (Shahbaz et al, 2017a), and reduced crop production (Islam et al, 2022). However, insufficient straw amendment weakened soil C and N sequestration (Zhang et al, 2016), and did not meet the balance of soil C and N pools (Andruschkewitsch et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Optimized straw interlayer improves organic carbon and total nitrogen in soil profile: A four-year experiment in a saline soil

Chang

Wang

Song

et al. 2022

Preprint

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Soil salinization is a critical environmental issue restricting agricultural production. Straw deep returning as interlayer (40 cm) has been a popularized practice to alleviate salt stress. However, the legacy effects of straw interlayer associated with the straw input amount on soil organic carbon (SOC) and total nitrogen (TN) in saline soil remain unclear. Therefore, a four-year (2015-2018) field experiment was conducted with four levels (i.e., 0, 6, 12 and 18 Mg ha ) of straw returning as interlayer. Compared with no straw interlayer (CK), straw interlayers increased SOC content by 14-32% and 11-57% in 20-40 cm and 40-60 cm, respectively. Lower increases were for soil TN content (8-22% in 20-40 cm and 6-34% in 40-60 cm) than SOC content, which led to increase soil C:N ratio in the 20-60 cm soil depth. Compared with CK, remarkable increases of SOC and soil TN contents in 20-60 cm led to the decrease of stratification ratios (0-20: 20-60 cm), which promoted uniform distributions of SOC and TN in soil profiles. Even though soil parameters ranged widely according to the straw input, straw interlayer with 12 Mg ha had higher SOC, TN, C:N ratio, and lower soil stratification ratio in 2015-2017, which contributed to salt leaching, water retention, and yield increment. These results highlighted the legacy effects of straw interlayers maintained more than four years, which led to an underestimation for previous short-term experiments, and demonstrated a great potential for subsoil fertility and salt-affected soil amelioration.

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Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis

Cited by 80 publications

References 45 publications

Correlation of Rice Production and Greenhouse Gas Emissions in North Sulawesi Province

Correlation of Rice Production and Greenhouse Gas Emissions in North Sulawesi Province

Emerging technologies of employing algae and microorganisms to promote the return-to-field of crop straws: A mini-review

Optimized straw interlayer improves organic carbon and total nitrogen in soil profile: A four-year experiment in a saline soil

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