Organic Amendments Influence on Soil Biological Indices and Yield in Rice-Based Cropping System in Coastal Sundarbans of India

Mitran, Tarik; Mani, Pabitra Kumar; Basak, Nirmalendu; Biswas, Sunanda; Mandal, Biswapati

doi:10.1080/00103624.2016.1254229

Cited by 25 publications

(19 citation statements)

References 19 publications

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“…Soil organic matter plays an important role in the development and function of ecosystems, and its quality and quantity are quite important. Our results indicated that the organic amendments significantly increased the organic matter (Figure ), which was in coincidence with previous studies (Amusan, Adetunji, Azeez, & Bodunde, ; Maltas, Kebli, Oberholzer, Weisskopf, & Sinaj, ; Mitran, Pabitra, Nirmalendu, Sunanda, & Biswapati, ; Trivedi et al, ). Although organic amendments was applied to the soil at the same dose, the increasing of organic matter in soil differed depending on the applied amendments.…”

Section: Discussionsupporting

confidence: 93%

“…The dry weight of plant significantly increased in soil applied with organic amendments (except for cattle dung), which is similar to previous studies (Amusan, Adetunji, Azeez, & Bodunde, ; Bai et al, ; Mitran, Pabitra, Nirmalendu, Sunanda, & Biswapati, ; Srivastava, Gupta, Shikha, & N.,, & Tewari, S. K., ; Wu, Li, Zheng, Zhang, & Sun, ). This is combined with the active role of organic amendments on soil biota (enzyme activities) and chemical properties (pH) and would result in the release of nutrients from organic amendments.…”

Section: Discussionsupporting

confidence: 89%

“…The rising biomass of soil organisms may be caused by organic amendments themselves, and they improve plant health through the decomposition of organic matter, nutrient cycling, and the improvement of the soil structure (Chaganti & Crohn, ; Wu, Li, Zheng, Zhang, & Sun, ). Both the increased microbial biomass and enzyme activities are the crucial driving force for the decomposition of organic matter and the transformation of nutrient in organically amended soils, which lead to better yield of plants (Gupta, Srivastava, Shikha, & Tewari, ; Mitran, Pabitra, Nirmalendu, Sunanda, & Biswapati, ).…”

Section: Discussionmentioning

confidence: 99%

“…However, the poor structural stability caused by low organic matter content were observed in salt‐affected soils. An alternative approach is using organic amendments to raise the amounts of organic matter in the salt‐affected soils (Liu et al, ; Mitran, Pabitra, Nirmalendu, Sunanda, & Biswapati, ; Oo, Iwai, & Saenjan, ; Trivedi et al, ; Wang et al, ). Various organic amendments, such as animal manures, sewage sludge compost, poultry manures, straw, and biochar, have been applied to soils for their effectiveness in improving soil properties (Agegnehu, Bass, Nelson, & Bird, ; Horta, Martaoboredoc, Duarte, Torrente, & Sharpley, ; Luna, Vignozzi, Miralles, & Solé‐Benet, ; Maltas, Kebli, Oberholzer, Weisskopf, & Sinaj, ; Sun, Lu, Chu, Shao, & Shi, ; Tejada, Garcia, Gonzalez, & Hernandez, ).…”

Section: Introductionmentioning

confidence: 99%

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Assessment of organic amendments for improving coastal saline soil

Xin-min

Yang

et al. 2018

Land Degrad Dev

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Salt-affected soils are an important resources; although the crop yields in the soils are lower, they should not be ignored nor given up. By using pot experiments, five different organic amendments (pig manure, cattle dung, chicken manure, rapeseed meal, and biochar) were used to investigate their effects on the chemical properties and enzyme activities of coastal saline soil as well as the growth of wheat. We also compared the suitable application doses of these organic amendments. After the treatment of five organic amendments, soils were incubated for 30 days at a constant temperature and moisture. The results showed that organic amendments had the property to decrease soil pH, increase organic matter, change soil enzyme activities, and promote wheat growth. With the rapeseed meal addition at the dose of 50 g kg −1 , soil pH decreased from 8.29 to 7.06, which was 14.8% lower than that in the control soil (no amendments), the organic matter as well as the activities of catalase, urease, alkaline phosphatase, and saccharase significantly increased, and the biomass of wheat increased by 48.4%. Compared with control, the rapeseed meal and pig manure were recommended as the suitable soil amendments for remediating coastal saline soil, and the suitable application dose is 50 g kg −1 . These data suggested that rapeseed meal and pig manure are an efficient choice in improving salt-induced land degradation. This study will not only lay the theoretical foundation for remediating coastal saline soil but also provide advice on selecting organic matters in ameliorating coastal saline soil.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Assessment of organic amendments for improving coastal saline soil

Xin-min

Yang

et al. 2018

Land Degrad Dev

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“…However, soil salinity may affect not only plants but also the soil microorganisms responsible for nutrient cycling. It is known that soil salinity is a severe stress to the living components of ecosystems by increasing the osmotic pressure on cells and reducing water availability (Killham and Firestone, 1984;Schimel et al, 1989;Borken and Matzner, 2009;Mitran et al, 2017). Paddy systems are characterised by periods of water saturation and periods of aerobic conditions, which can be both affected by salinization.…”

Section: Introductionmentioning

confidence: 99%

Organic Amendments Alleviate Salinity Effects on Soil Microorganisms and Mineralisation Processes in Aerobic and Anaerobic Paddy Rice Soils

Wichern

Islam

Hemkemeyer

et al. 2020

Front. Sustain. Food Syst.

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Sea-water level rise leads to increased saltwater intrusion causing soil salinity on arable land with negative effects on soil microbial processes. Organic amendments are known to reduce the effects of salinity on soil microorganisms, therefore positively influencing microbial activity and nutrient cycling. However, the extent of this effect in paddy rice soils under aerobic compared to anaerobic conditions is unknown. Consequently, benefits of organic matter addition on carbon (C) and nitrogen (N) mineralisation under saline conditions were evaluated in a short-term laboratory incubation experiment. Two soils from Bangladesh were incubated with rice straw, manure or a manure-rice straw mixture at 50 and 100% water holding capacity (25 • C, 27 days). In addition, NaCl was added to half of the samples, which resulted in a set of non-saline (EC e = 1.1-1.3 dS m −1 ) and saline (EC e = 24.0-32.4 dS m −1 ) soils. Soil respiration (CO 2 -release) was measured throughout the experiment. At the end of the experiment, dissolved organic C, inorganic N, microbial biomass as well as bacterial, archaeal, and fungal domains were determined. Overall, effects of substrate addition overruled effects caused by salinity and water content. Microbial activity and biomass in particular fungi increased most strongly after rice straw addition and resulted in N immobilisation independent of moisture level. Rice straw and manure alleviated the effects of salinity on microorganisms; these were therefore mainly detectable in the non-amended soils. The reason for this is likely a higher C availability for soil microorganisms after amendment of organic materials, which allows them to produce osmolytes, counteracting the osmotic effects of increased salinity. However, the microbial communities of the two soils under investigation showed different response patterns to salinity reflected by a substantially higher fungi-bacteria ratio in soil B prone to salinity at 50% WHC as compared to soil A. Likewise, the metabolic quotient Wichern et al. Salinity Alleviation and Soil Microorganismswas higher in soil B and not affected by any of the short term treatments, revealing a soil legacy. Our results highlight the importance of organic amendments, such as rice straw to paddy soils under saline conditions to reduce negative effects on soil microbial processes, allowing them to maintain their major functions.

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Organic Fertilizers for Sustainable Soil and Environmental Management

Verma¹,

Pramanik

2019

Nutrient Dynamics for Sustainable Crop Production

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Organic Amendments Influence on Soil Biological Indices and Yield in Rice-Based Cropping System in Coastal Sundarbans of India

Cited by 25 publications

References 19 publications

Assessment of organic amendments for improving coastal saline soil

Assessment of organic amendments for improving coastal saline soil

Organic Amendments Alleviate Salinity Effects on Soil Microorganisms and Mineralisation Processes in Aerobic and Anaerobic Paddy Rice Soils

Organic Fertilizers for Sustainable Soil and Environmental Management

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