scholarly journals Potensi dan Pemanfaatan Lahan Gambut Dangkal untuk Pertanian

2020 ◽  
Vol 11 (1) ◽  
pp. 43
Author(s):  
Masganti Masganti ◽  
Khairil Anwar ◽  
Maulia Aries Susanti
Keyword(s):  
Decomposition Rate ◽  
Formation Process ◽  
Small Proportion ◽  
Agricultural Land ◽  
Peat Soil ◽  
Biological Properties ◽  
Food Crops ◽  
Peat Soils ◽  
Horticultural Crops ◽  
The World

<p><strong>Abstrak.</strong> Lahan gambut terbentuk karena adanya penambahan bahan organik segar yang lebih cepat daripada perombakannya, sehingga terjadi timbunan organik dari waktu ke waktu. Gambut Indonesia sangat potensial dimanfaatkan untuk penyediaan bahan pangan. Pemanfaatan lahan gambut yang lebih masif untuk memasok bahan pangan dipicu oleh (1) laju alih fungsi lahan pertanian, (2) pertambahan jumlah penduduk, dan (3) keinginan menjadikan Indonesia sebagai lumbung pangan dunia dunia. Tanah gambut dalam sistem klasifikasi tanah USDA termasuk dalam ordo Histosol. Tanah gambut juga dapat diklasifikasikan berdasarkan tingkat dekomposisi, kesuburan, fisiografi, proses pembentukan, bahan penyusun dan ketebalan gambut. Berdasarkan ketebalan gambut, tanah gambut dengan ketebalan 50-100 cm dikategorikan sebagai gambut dangkal/tipis. Karakteristik dan potensi lahan gambut antaralain ditentukan oleh sifat kimia, fisika dan biologi. Semakin tebal gambut, semakin rendah potensinya untuk budidaya tanaman pangan dan hortikultura. Potensi lahan gambut dangkal/tipis di Indonesia diperkirakan sekitar 5.241.473 ha atau 35,17% dari total luas lahan gambut Indonesia, tersebar di Pulau Papua (2.425.523 ha), Pulau Sumatera (1.767.303 ha), dan Pulau Kalimantan (1.048.611 ha). Lahan tersebut baru sebagian kecil dimanfaatkan petani untuk budidaya tanaman pangan, dan hortikultura dengan produktivitas yang tergolong rendah. Kebakaran lahan gambut dan faktor lainnya menyebabkan terjadinya dinamika luas lahan gambut tipis. Potensi gambut tipis dapat dimanfaatkan untuk budidaya tanaman pangan seperti padi, jagung, dan kedelai, tanaman hortikultura buah-buahan seperti nenas, pisang, pepaya, melon, dan tanaman hortikultura sayuran berupa tomat, pare, mentimun, cabai, kangkung, dan bayam. Kontribusi lahan gambut tipis terhadap produksi tanaman pangan dan hortikultura diperkirakan 50-60% dari total produksi lahan gambut.</p><p><em><strong>Abstract.</strong> Peatlands are formed by continuous addition of fresh organic materials faster than its decomposition, resulted in accumulation of undecomposed organic material from time to time. Indonesia's peatlands are highly potential to be cultivated to produce a variety of foods. The more massive use of peatlands to supply food is triggered by (1) the rate of conversion of agricultural land, (2) population growth, and (3) the desire to feed the world. In the USDA Classification System, peat soils belong to the order of Histosol. Peat soils may also be classified by decomposition rate, fertility, physiography, formation process, constituents and thickness of peat. Based on peat thickness, peat soil with thickness &gt; 50-100 cm is categorized as shallow/thin peat. The characteristics and potentials of peatlands among other areas are determined by chemical, physical and biological characteristics. The thicker the peat, the lower the potential for cultivation of food crops and horticulture. Differences in classification results in differences in peat characteristics such as chemical, physical and biological properties. The potential of shallow peatlands in Indonesia is estimated at 5,241,473 ha or about 35.17% of Indonesia's total peatland area, spread over Papua (2,425,523 ha), Sumatra (1,767,303 ha) and Kalimantan (1,048.611 ha). Only a small proportion of shallow peatlands are used by farmers for cultivation of food crops and horticulture, but the productivity is low. Peatland fires and other factors have led to dynamics of widespread of shallow peatland. Shallow peatlands can be utilized for cultivation of food crops such as rice, corn, and soybeans, horticultural crops such as pineapple, banana, papaya, melon, and vegetable horticultural crops such as tomatoes, pare, cucumber, chilli, kale, and spinach. The contribution of shallow peatlands to the production of food crops and horticulture is estimated to be 50-60% of the total peatland production.</em></p>

IMPACT OF OIL POLLUTION ON TOXICITY LEVEL OF PEAT SOILS

2015 ◽  
Vol 10 (4) ◽  
pp. 70-75
Author(s):  
Леднев ◽  
Andrey Lednev ◽  
Скворцова ◽  
Irina Skvortsova
Keyword(s):  
Oil Content ◽  
Agricultural Land ◽  
Oil Pollution ◽  
Peat Soil ◽  
Petroleum Products ◽  
Paramecium Caudatum ◽  
Peat Soils ◽  
Luminescent Bacteria ◽  
Udmurt Republic ◽  
Test Objects

Based on the data of the laboratory experiment it was found, that the greatest impact of oil pollution has had on test objects Paramecium caudatum and lyophilized luminescent bacteria “Ekolyum”. They recorded the appearance of toxic effects by increasing the oil content in peat soils above the level of 3035 milligram per kilogram. Thus, the oil content equal to 3035 milligram per kilogram (3.0 gramm per kilogram) may be recommended as a standard acceptable residual oil and petroleum products in the peat soils of land for forestry purposes to the conditions of the Udmurt Republic. We recommend use the norm equal to the 2.0 gramm per kilogramm of peat soil for agricultural land. When conducting toxicology tests, it is necessary to take into account that uncontaminated peat also has a certain toxic effect on some test objects (Paramecium caudatum).

scholarly journals The Corn Development Strategy in Peat Soil With No Burning and Traditional Methods

2020 ◽  
Vol 4 (2) ◽  
pp. 79-84
Author(s):  
Selmitri Selmitri ◽  
Erlinda Yurisinthae ◽  
Radian Radian
Keyword(s):  
Development Strategy ◽  
Traditional Method ◽  
Agricultural Land ◽  
Peat Soil ◽  
Average Difference ◽  
Peat Soils ◽  
Traditional Methods ◽  
Significant Difference ◽  
The Difference ◽  
Difference Test

The study aims to analyze the differences in the development of corn cultivation in peat soils between no-burning and traditional methods or with burning in Rasau Jaya District, Kubu Raya District. The fact that currently clearing forests is still using burning on agricultural land in general and especially on peat soil that is feared to experience underground burning is difficult to overcome and cause many losses. The development of corn on land without burning on peat soil is a solution for the community in maintaining ecosystem sustainability. The explanatory research is directed at testing hypotheses and following research objectives. Data collection by interview and questionnaire to 60 respondents were corn farmers on peat soil. The average difference test is used in explaining the difference in yield between the two methods of planting on peat soil. The results found that there were significant differences in the application of corn cultivation on peat soil without burning compared to the traditional method on the variables fertilizer, pesticide, business costs, and yields. In contrast, the planting area variable had no significant difference.

scholarly journals Analisis Implementasi Kebijakan Perlindungan Lahan Gambut Untuk Tanaman Pangan Berkelanjutan

2021 ◽  
Vol 6 (1) ◽  
pp. 42-64
Author(s):  
Wenny Ira Reverawaty ◽  
Muhammad Yusuf
Keyword(s):  
Oil Palm ◽  
Agricultural Land ◽  
Peat Soil ◽  
Narrative Form ◽  
Environmental Damage ◽  
Food Crops ◽  
Land Conversion ◽  
Sustainable Food ◽  
Depth Interview ◽  
The Village

The massive expansion of oil palm plantations for the benefit of the palm oil industry and its derivatives has an impact on ecosystem and environmental damage as well as large demands for land conversion that threaten agricultural land for food crops, which also threatens food security on it. Jebus Village, Kumpeh District, Muaro Jambi Regency, Jambi Province which has peat soil type for most of its land, in this case is one of the villages facing the problem of oil palm plantation expansion and land conversion which is starting to threaten agricultural land for food crops. Therefore, the Jebus Village Regulation No.1 of 2017 concerning the Protection of Peatlands for Sustainable Food Crops and Plantations was made to protect food land in Jebus village. This study aims to analyze the implementation of peatland protection for sustainable food crops in Jebus village. This research uses descriptive qualitative methods. The collection of various data is carried out with a combination of in-depth interview and observation techniques and is supported by data from research results or reports. Data processing uses coding to obtain meaning which is presented in narrative form. This study found that the implementation of the Village Regulation was able to reduce the threat of damage to peatlands, restrain the rate of conversion of food agricultural land into plantations that were not environmentally friendly. However, the implementation of this policy has not been able to guarantee the availability of staple food (rice) for the Jebus village community. In addition, policy implementation faces challenges that cannot be resolved at the village scale.

Modes of agricultural use, productivity and fertility of developed lowland peat soils

2020 ◽  
Author(s):  
Aleksandr Glubokovskih
Keyword(s):  
Crop Rotation ◽  
Peat Soil ◽  
Perennial Grasses ◽  
Peat Soils ◽  
Fodder Crop ◽  
Agrochemical Properties ◽  
Agricultural Use ◽  
Fodder Crop Rotation

The results of many years of research on the cultivation of crops in fodder crop rotation on dried peat soil are presented. A productive and agroecological assessment of crop rotation with various saturation with perennial grasses is given. The data on the reduction of peat reserves and changes in the agrochemical properties of the soil are presented.

scholarly journals Yield gap and resource utilization efficiency of three major food crops in the world – A review

2021 ◽  
Vol 20 (2) ◽  
pp. 349-362 ◽  
Author(s):  
Liang-bing RONG ◽  
Kai-yuan GONG ◽  
Feng-ying DUAN ◽  
Shao-kun LI ◽  
Ming ZHAO ◽  
...  
Keyword(s):  
Resource Utilization ◽  
Utilization Efficiency ◽  
Food Crops ◽  
Yield Gap ◽  
Major Food ◽  
The World ◽  
Resource Utilization Efficiency

scholarly journals Nitrous Oxide Emissions in Pineapple Cultivation on a Tropical Peat Soil

2021 ◽  
Vol 13 (9) ◽  
pp. 4928
Author(s):  
Alicia Vanessa Jeffary ◽  
Osumanu Haruna Ahmed ◽  
Roland Kueh Jui Heng ◽  
Liza Nuriati Lim Kim Choo ◽  
Latifah Omar ◽  
...  
Keyword(s):  
Nitrous Oxide ◽  
Soil Temperature ◽  
Peat Soil ◽  
Farming Systems ◽  
N2o Emission ◽  
Nitrous Oxide Emissions ◽  
Natural State ◽  
N2o Emissions ◽  
Wet Season ◽  
Peat Soils

Farming systems on peat soils are novel, considering the complexities of these organic soil. Since peat soils effectively capture greenhouse gases in their natural state, cultivating peat soils with annual or perennial crops such as pineapples necessitates the monitoring of nitrous oxide (N2O) emissions, especially from cultivated peat lands, due to a lack of data on N2O emissions. An on-farm experiment was carried out to determine the movement of N2O in pineapple production on peat soil. Additionally, the experiment was carried out to determine if the peat soil temperature and the N2O emissions were related. The chamber method was used to capture the N2O fluxes daily (for dry and wet seasons) after which gas chromatography was used to determine N2O followed by expressing the emission of this gas in t ha−1 yr−1. The movement of N2O horizontally (832 t N2O ha−1 yr−1) during the dry period was higher than in the wet period (599 t N2O ha−1 yr−1) because of C and N substrate in the peat soil, in addition to the fertilizer used in fertilizing the pineapple plants. The vertical movement of N2O (44 t N2O ha−1 yr−1) was higher in the dry season relative to N2O emission (38 t N2O ha−1 yr−1) during the wet season because of nitrification and denitrification of N fertilizer. The peat soil temperature did not affect the direction (horizontal and vertical) of the N2O emission, suggesting that these factors are not related. Therefore, it can be concluded that N2O movement in peat soils under pineapple cultivation on peat lands occurs horizontally and vertically, regardless of season, and there is a need to ensure minimum tilling of the cultivated peat soils to prevent them from being an N2O source instead of an N2O sink.

scholarly journals Pineapple Residue Ash Reduces Carbon Dioxide and Nitrous Oxide Emissions in Pineapple Cultivation on Tropical Peat Soils at Saratok, Malaysia

2021 ◽  
Vol 13 (3) ◽  
pp. 1014
Author(s):  
Liza Nuriati Lim Kim Choo ◽  
Osumanu Haruna Ahmed ◽  
Nik Muhamad Nik Majid ◽  
Zakry Fitri Abd Aziz
Keyword(s):  
Carbon Dioxide ◽  
Nitrous Oxide ◽  
Peat Soil ◽  
Nitrous Oxide Emissions ◽  
N2o Emissions ◽  
Peat Soils ◽  
Closed Chamber ◽  
Npk Fertilizers ◽  
Npk Fertilizer ◽  
Carbon Dioxide Co2

Burning pineapple residues on peat soils before pineapple replanting raises concerns on hazards of peat fires. A study was conducted to determine whether ash produced from pineapple residues could be used to minimize carbon dioxide (CO2) and nitrous oxide (N2O) emissions in cultivated tropical peatlands. The effects of pineapple residue ash fertilization on CO2 and N2O emissions from a peat soil grown with pineapple were determined using closed chamber method with the following treatments: (i) 25, 50, 70, and 100% of the suggested rate of pineapple residue ash + NPK fertilizer, (ii) NPK fertilizer, and (iii) peat soil only. Soils treated with pineapple residue ash (25%) decreased CO2 and N2O emissions relative to soils without ash due to adsorption of organic compounds, ammonium, and nitrate ions onto the charged surface of ash through hydrogen bonding. The ability of the ash to maintain higher soil pH during pineapple growth primarily contributed to low CO2 and N2O emissions. Co-application of pineapple residue ash and compound NPK fertilizer also improves soil ammonium and nitrate availability, and fruit quality of pineapples. Compound NPK fertilizers can be amended with pineapple residue ash to minimize CO2 and N2O emissions without reducing peat soil and pineapple productivity.

scholarly journals A Proposed Land Exchange Algorithm for Eliminating the External Plot Patchwork

Land ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 64
Author(s):  
Żanna Stręk ◽  
Przemysław Leń ◽  
Justyna Wójcik-Leń ◽  
Paweł Postek ◽  
Monika Mika ◽  
...  
Keyword(s):  
Spatial Structure ◽  
Rural Areas ◽  
Agricultural Land ◽  
Test Sample ◽  
Practical Application ◽  
Exchange Algorithm ◽  
The World ◽  
Negative Effect ◽  
Structure Improvement ◽  
Land Exchange

In many countries of the world, rural areas are characterized by a defective spatial structure of agricultural land. The most frequent defects are large fragmentation and distribution of farmland. The fragmentation of land has been an issue widely described by many authors throughout the world. The problem of the distribution of land owned by individual farmers is slightly different, since due to the complexity of the problem this issue was not widely explored in Poland (plot patchwork) or in other countries of Europe and the world. Land fragmentation and distribution of plots in rural areas has a negative effect on the profitability and efficiency of agricultural production. Land consolidation and exchange is an operation facilitating spatial structure improvement. The authors attempted to develop a universal land exchange algorithm for eliminating the external plot patchwork. As it turns out, so far no land exchange algorithm has been developed. Specific analyses were carried out in Puchaczów commune, county of Łęczna, Lublin voivodeship in the eastern part of Poland, covering an area of 6907.80 ha, split into 15,211 plots. The chequerboard arrays method was used. The publication presents the algorithm and its practical application using a test sample. A result of the studies is a proposal concerning the exchange of land between landowners in the villages of the commune of Puchaczów. Using the algorithm, the area of individual lands in the commune, after the exchange, will increase by 172.09 ha, which is 2.5% for the area of individual lands, and 1.9% for the commune.

scholarly journals Monoterpenes and Sesquiterpenes of Essential Oils from Psidium Species and Their Biological Properties

Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 965
Author(s):  
Renan Campos e Silva ◽  
Jamile S. da Costa ◽  
Raphael O. de Figueiredo ◽  
William N. Setzer ◽  
Joyce Kelly R. da Silva ◽  
...  
Keyword(s):  
Essential Oils ◽  
Biological Activities ◽  
Biological Properties ◽  
Chemical Diversity ◽  
New Drugs ◽  
Natural Sources ◽  
Biological Potential ◽  
The World ◽  
Review Reports ◽  
Collection Sites

Psidium (Myrtaceae) comprises approximately 266 species, distributed in tropical and subtropical regions of the world. Psidium taxa have great ecological, economic, and medicinal relevance due to their essential oils’ chemical diversity and biological potential. This review reports 18 Psidium species growing around the world and the chemical and biological properties of their essential oils. Chemically, 110 oil records are reported with significant variability of volatile constituents, according to their seasonality and collection sites. Monoterpenes and sesquiterpenes with acyclic (C10 and C15), p-menthane, pinane, bisabolane, germacrane, caryophyllane, cadinane, and aromadendrane skeleton-types, were the primary constituents. The essential oils showed various biological activities, including antioxidant, antifungal, antibacterial, phytotoxic, larvicidal, anti-inflammatory, and cytotoxic properties. This review contributes to the Psidium species rational and economic exploration as natural sources to produce new drugs.

Potential soil carbon sequestration of agricultural land around the world

2021 ◽  
Author(s):  
Sylvia Vetter ◽  
Michael Martin ◽  
Pete Smith
Keyword(s):  
Organic Carbon ◽  
Management Practices ◽  
Agricultural Land ◽  
Ghg Emissions ◽  
C Sequestration ◽  
Organic Soils ◽  
Soil C ◽  
Sequestration Potential ◽  
The World ◽  
Soil C Sequestration

&lt;p&gt;Reducing greenhouse gas (GHG) emissions in to the atmosphere to limit global warming is the big challenge of the coming decades. The focus lies on negative emission technologies to remove GHGs from the atmosphere from different sectors. Agriculture produces around a quarter of all the anthropogenic GHGs globally (including land use change and afforestation). Reducing these net emissions can be achieved through techniques that increase the soil organic carbon (SOC) stocks. These techniques include improved management practices in agriculture and grassland systems, which increase the organic carbon (C) input or reduce soil disturbances. The C sequestration potential differs among soils depending on climate, soil properties and management, with the highest potential for poor soils (SOC stock farthest from saturation).&lt;/p&gt;&lt;p&gt;Modelling can be used to estimate the technical potential to sequester C of agricultural land under different mitigation practices for the next decades under different climate scenarios. The ECOSSE model was developed to simulate soil C dynamics and GHG emissions in mineral and organic soils. A spatial version of the model (GlobalECOSSE) was adapted to simulate agricultural soils around the world to calculate the SOC change under changing management and climate.&lt;/p&gt;&lt;p&gt;Practices like different tillage management, crop rotations and residue incorporation showed regional differences and the importance of adapting mitigation practices under an increased changing climate. A fast adoption of practices that increase SOC has its own challenges, as the potential to sequester C is high until the soil reached a new C equilibrium. Therefore, the potential to use soil C sequestration to reduce overall GHG emissions is limited. The results showed a high potential to sequester C until 2050 but much lower rates in the second half of the century, highlighting the importance of using soil C sequestration in the coming decades to reach net zero by 2050.&lt;/p&gt;

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