No tillage and bagasse mulching alter fungal biomass and community structure during decomposition of sugarcane leaf litter in Lampung Province, Sumatra, Indonesia

Miura, Tohru; Niswati, Ainin; Swibawa, I Gede; Haryani, Sri; Gunito, Heru; Kaneko, Nobuhiro

doi:10.1016/j.soilbio.2012.10.042

Cited by 52 publications

(20 citation statements)

References 85 publications

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“…The production of aboveground crop residue biomass can serve as a significant source of annual C input into the soil (Koga and Tsuji 2009). Previous studies have shown that the microbial biomass (PLFAs) in the top few centimeters of soil is usually greater under NT or reduced tillage than under CT for various climatic conditions and soil types (Feng et al 2003;Helgason et al 2010;Zhang et al 2012;Miura et al 2013). For example, the abundance of individual PLFA biomarkers under NT was 7 to 86 % greater than that under CT in the surface soils (0-5 cm depth) (Helgason et al 2010), which is consistent with our results (Fig.…”

Section: Effects Of Tillage On Soil Microbial Communitiesmentioning

confidence: 99%

Long-term conservation tillage influences the soil microbial community and its contribution to soil CO2 emissions in a Mollisol in Northeast China

et al. 2015

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Purpose Conservation tillage can significantly affect the biological, chemical, and physical properties of soil. This study aimed to determine the effect of conservation tillage on the soil microbial community and respiration and on soil CO 2 emissions. Materials and methods In this study, the effects of 10 years of conservation tillage (no-till: NT and ridge tillage: RT) on soil CO 2 fluxes and soil microbial communities were assessed in a black soil in Northeast China. Results and discussion The annual soil CO 2 emissions were higher under moldboard plow (MP) than under NT by 7.8 % (P<0.05). The average soil microbial respiration rate from RT was higher than that from MP by 11 % (P<0.05). Soil microbial respiration under NT (65 %) and RT (64 %) contributed more to soil CO 2 emissions than MP (54 %). Total soil bacterial and fungal phospholipid fatty acids (PLFAs) were 1.6 times and 2.6 times greater under NT and RT, respectively, than under MP in the 0-5 cm layer, whereas they decreased by 21-47 % under NT and 26-41 % under RT in the 5-10

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Section: Effects Of Tillage On Soil Microbial Communitiesmentioning

confidence: 99%

Long-term conservation tillage influences the soil microbial community and its contribution to soil CO2 emissions in a Mollisol in Northeast China

et al. 2015

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“…good quality mulches that can mobilize high content of major nutrients, leading to improved soil fertility, and thus to increased yields (discussed in Chapters 4 and 5). Similar findings were reported by Borken and Matzner (2009) and Miura et al (2013). Different mulches have different effects in supplying nutrient contents to soils; variations are depended on quality of mulching materials, climatic conditions and soil types (discussed in Chapters 5).…”

Section: Potential For Expansion Of Sustainable Production Of High Qusupporting

confidence: 75%

“…The greater SOC content and total N in the treatments T4 and T5, particularly at Kibirizi and Karongi, indicated the potential of these mulches in C and N availability following the amounts of mulch biomass added to the soil (Adekiya et al, 2017;Agbede et al, 2014;Xavier et al, 2013). In favorable environmental conditions like at Karongi, the repeated drywet cycles may have enhanced faster microbial degradation of the mulch, resulting in increased C and N stocks and improved soil quality through nutrient recycling (Agbede et al, 2014;Khalil et al, 2005;Miura et al, 2013;Murungu et al, 2011;Xavier et al, 2013). Hence, this practice should be promoted to increase organic matter and biological N fixation to the soil.…”

Section: Effect Of Mulching On C and N Mineralization And Availabilitymentioning

confidence: 98%

Optimizing Arabica coffee production systems in Rwanda : a multiple-scale analysis

Nzeyimana¹

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Chapter 1 1.1 Arabica coffee production in Rwanda Coffee is one of the most important and valuable commodities in the world of agriculture, and a major foreign exchange earner for many developing countries. In the Eastern and Central African countries, like Ethiopia, Kenya and Rwanda, coffee is one of the top export commodities that contribute to the national economy. In Rwanda, coffee remains one of the major export products, contributing more than 45% of the value of export crops (NISR, 2015). In 2014, the Rwanda agriculture was the leading sector in the economy and contributed about 33% to the GDP; the coffee sub-sector contributed about 1% of the Rwanda's GDP (NISR, 2015). Coffee was introduced for the first time in Rwanda by German Missionaries in 1904, and in the beginning it was mainly cultivated by the colonial administration. The production of coffee has increased through the years and reached its peak in the mid-1980s. From 2000, the Government of Rwanda (GoR) introduced a new coffee strategy that aimed at promoting the cultivation and production of new high-quality coffee varieties following the increasing interest from international companies on Rwandan specialty coffee. Between 2002 and 2011, the coffee production increased by 20%, whereas coffee exports increased by 150% (NAEB, 2011). The GoR understands that, strategically, the coffee sector should promote the cultivation and production of high-quality coffee. Since 2000, the GoR has focused more attention on the strategic development of the industry. This has involved the development of land use plans, farmer cooperatives as well as programs to stimulate the market, e.g. the Rwanda Cup of Excellence. Since the implementation of the national land use consolidation policy in 2007, total coffee plantation area has increased from 30,000 ha to 55,030 ha (Nzeyimana et al., 2014). Rwanda now produces between 16,000 and 20,000 MT of coffee annually, with a productivity index of approximately 0.4 to 0.6 ton ha-1 of green coffee (NISR, 2015). As a result of the increased focus by the GoR, not only coffee production has increased, Rwandan coffee has also received increasing interest and recognition from international companies. In 2015, Rwandan coffee was ranked among the top 30 leading coffees in the world by Coffee Review (http://www.coffeereview.com/top-30-coffees-2015/). Despite the impressive progress, Rwanda's coffee productivity index is low by comparison to the potential productivity, and the livelihoods of the approximately 400,000 smallholder farmers remain marginal. This is largely due to low soil fertility in the areas where the coffee is grown and soil erosion which causes additional nutrient losses. Developing effective means to address these issues holds great promise for improving Rwandan coffee quality and productivity as well as the livelihoods of the coffee farmers. General Introduction 9 1.2 Agro-ecological conditions for growing Arabica coffee and constraints Arabica coffee is normally grown in elevated areas of the tropics and sub-tropi...

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“…All weeds at tillage treatments were suppressed by herbicide, whereas those at no-tillage treatments were hand picked. Soil fungal community structure clearly refl ected the treatment one-year after beginning the experiment, and there was an increase in soil carbon content (Miura et al 2013 ).…”

Section: Soil Biodiversity and Its Functioningmentioning

confidence: 97%

Biodiversity Agriculture Supports Human Populations

Kaneko

2014

Sustainable Living With Environmental Risks

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The "Green Revolution" has increased food production to meet world population growth, therefore global food production is at present suffi cient to feed all the world's people. However, the modern agricultural system is no longer sustainable due to deterioration of soil conditions. Alternative agricultural methods that aim to conserve biodiversity and soil functioning are not intensively studied, thus the productivity of alternative methods is often not compatible with conventional agricultural practice, and most people are skeptical of the feasibility of introducing alternative methods. Recent advancements in studies of biodiversity and ecological functioning are now supporting early trials by advanced farmers, who respect biodiversity in their fi elds. In this review, I would like to present some ecological theories to support biodiversity agriculture and its potential to support human populations.

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No tillage and bagasse mulching alter fungal biomass and community structure during decomposition of sugarcane leaf litter in Lampung Province, Sumatra, Indonesia

Cited by 52 publications

References 85 publications

Long-term conservation tillage influences the soil microbial community and its contribution to soil CO2 emissions in a Mollisol in Northeast China

Long-term conservation tillage influences the soil microbial community and its contribution to soil CO2 emissions in a Mollisol in Northeast China

Optimizing Arabica coffee production systems in Rwanda : a multiple-scale analysis

Biodiversity Agriculture Supports Human Populations

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