scholarly journals High-Yielding Performance of A New Rice Variety, Ir53650In Mildly Improved Acid Sulfate Soil Conditions

2007 ◽  
Vol 10 (1) ◽  
pp. 64-67 ◽  
Author(s):  
Dong-Jin Kang ◽  
Koichi Futakuchi ◽  
Somsot Dumnoenngam ◽  
Ishii Ryuichi ◽  
Ryuichi Ishii
Keyword(s):  
Rice Variety ◽  
Soil Conditions ◽  
Acid Sulfate Soil ◽  
Acid Sulfate

BIOLEACHING UNTUK MENINGKATKAN PRODUKTIVITAS LAHAN SULFAT MASAM AKTUAL UNTUK TANAMAN PADI

2018 ◽  
Vol 17 (3) ◽  
Author(s):  
Eni Maftu’ah ◽  
Ani Susilawati
Keyword(s):  
Crop Yields ◽  
Rice Variety ◽  
Growth And Yield ◽  
Acid Sulfate Soil ◽  
Acid Sulfate ◽  
Rice Plants ◽  
Microbial Utilization ◽  
Tidal Swamp ◽  
Two Factors ◽  
Main Plot

Technology of microbial utilization to accelerate the oxidation of pyrite followed by leaching (bioleaching) has the potential to resolve problems in land management of actual acid sulphate soil. The research aims to obtain a bioleaching technology package that can improve the productivity of the actual acid sulfate soil. The experiment was conducted on tidal swamp land that has soil type of actual acid sulfate at Wana Raya sub-district, district Batola, South Kalimantan, in July - November, 2014. The study was designed by using strip plot with three replications. The treatment consisted of two factors, namely application of an oxidizing microbial pyrite and leaching amount (intensity). The main plot consisted of (P0) without leacing (naturally), (P1) six times leaching , (P2) eight times leaching, and (P3) 12 times leaching. Subplot consisted of (M0) without oxidizing microbial pyrite, (M1) with oxidizing microbial plant used in this study is Inpara 3 of rice variety. Observations were made on soil pH, oxidizing bacteria pyrite, growth of rice plants (plant height and number of tillers) and rice yield. The results showed that the main problem of actual acid sulfate land studied is a high soil acidity (pH of 3.44). Influ-ence of leaching was greater than microbial application on crop yields. Application of the pyrite oxidizing bacterial and leaching eight times gave the best influence on the growth and yield of rice plants.

scholarly journals Influence of Soil Amendments on the Growth and Yield of Rice in Acidic Soil

Agronomy ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 165 ◽  
Author(s):  
Nur Abdul Halim ◽  
Rosazlin Abdullah ◽  
Saiful Karsani ◽  
Normaniza Osman ◽  
Qurban Panhwar ◽  
...  
Keyword(s):  
Soil Ph ◽  
Crop Production ◽  
Soil Amendments ◽  
Growth Yield ◽  
Growth And Yield ◽  
Soil Conditions ◽  
Plant Responses ◽  
Acid Sulfate Soil ◽  
Acid Sulfate ◽  
Compost Treatment

In Malaysia, about 0.5 million ha of acid sulfate soils are found scattered over the east, west, and Sabah and Sarawak regions that can potentially be cultivated with paddy. This type of soil is acidic and not immediately suitable for crop production unless improved by applying some amendments. Thus, the current study was carried out to investigate the effects of various types of soil amendments on the growth, yield, and physiological responses of rice grown in extremely acidic conditions using ground magnesium limestone (GML), basalt, biochar, and compost as soil amendments. The acid sulfate soil with a pH of 3.76 was obtained from a paddy field in Merbok, Kedah. The plant responses were evaluated based on agronomic, physiological, and yield performance. The compost-treated rice showed the best performance in all three criteria. Compost treatment increased the soil pH up to 6.25. Physiological performances such as chlorophyll, photosynthetic rate, and water use efficiency were higher after compost treatment, while transpiration and stomatal conductance showed the highest after GML treatment. It can be concluded that the addition of compost as a soil amendment can increase soil pH and create favorable soil conditions for rice cultivation in acid sulfate soil, leading to improved rice growth performance.

scholarly journals Alleviating an Acid Sulfate Soil Cultivated to Rice (Oryza sativa) Using Ground Magnesium Limestone and Organic Fertilizer

2007 ◽  
Vol 9 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Totok Suswanto ◽  
J Shamshuddin ◽  
S.R Syed Omar ◽  
Peli Mat ◽  
C.B.S Teh
Keyword(s):  
Agricultural Development ◽  
Rice Yield ◽  
Organic Fertilizer ◽  
Rice Variety ◽  
Development Project ◽  
Peninsular Malaysia ◽  
Acid Sulfate Soil ◽  
Acid Sulfate ◽  
Exchangeable Ca ◽  
Fe Toxicity

Rice yield on acid sulfate soils in Malaysia is very low, presumably due to AI and/or Fe toxicity. This study wasconducted to ameliorate an acid sulfate soil in the Kemasin-Semerak Integrated Agricultural Development Project, located in Kelantan, Peninsular Malaysia, for rice cultivation. Rice variety, MR 219, was used as the test crop. Treatment included the use of various rates of ground magnesium limestone (GML), with or without an organic fertilizer. This acid sulfate soil had an initial pH of < 3.5 at depth below 45 cm. Exchangeable AI in the soil was high, especially in the subsoil. The first crop of rice was disturbed by floods. The result for the 2"d crop showed a promising trend; applying 4 t GMUha in combination with an organicfertilizer, the topsoil pH had increasedfrom 3.95 to 4.21, increasing the exchangeable Ca and Mgfrom 1.58 and 0.48 cmol/kg soil to 2.57 and O. 79 cmol/kg soil, respectively. In this treatment, the rice yield was 7.5 tlha, which was much higher than that produced by farmer's practice of about 2 tlha. The increase in yield was due to the combined effects of increasing pH and exchangeable Ca and Mg and of lowering AI and Fe concentration in the soil solution.

PEUBAH KUALITAS AIR YANG MEMPENGARUHI PERTUMBUHAN RUMPUT LAUT (Gracilaria verrucosa) DI TAMBAK TANAH SULFAT MASAM KECAMATAN ANGKONA KABUPATEN LUWU TIMUR PROVINSI SULAWESI SELATAN

2009 ◽  
Vol 4 (1) ◽  
pp. 125
Author(s):  
Akhmad Mustafa ◽  
Rachmansyah Rachmansyah ◽  
Dody Dharmawan Trijuno ◽  
Ruslaini Ruslaini
Keyword(s):  
Water Quality ◽  
Growth Rate ◽  
Ammonium Phosphate ◽  
Gracilaria Verrucosa ◽  
Acid Sulfate Soils ◽  
Acid Sulfate Soil ◽  
Acid Sulfate ◽  
Independent Variables ◽  
Water Quality Variables ◽  
Sulfate Soils

Rumput laut (Gracilaria verrucosa) telah dibudidayakan di tambak tanah sulfat masam dengan kualitas dan kuantitas produksi yang relatif tinggi. Oleh karena itu, dilakukan penelitian yang bertujuan untuk mengetahui peubah kualitas air yang mempengaruhi laju pertumbuhan rumput laut di tambak tanah sulfat masam Kecamatan Angkona Kabupaten Luwu Timur Provinsi Sulawesi Selatan. Pemeliharaan rumput laut dilakukan di 30 petak tambak  terpilih selama 6 minggu. Bibit rumput laut dengan bobot 100 g basah ditebar dalam hapa berukuran 1,0 m x 1,0 m x 1,2 m. Peubah tidak bebas yang diamati adalah laju pertumbuhan relatif, sedangkan peubah bebas adalah peubah kualitas air yang meliputi: intensitas cahaya, salinitas, suhu, pH, karbondioksida, nitrat, amonium, fosfat, dan besi. Analisis regresi berganda digunakan untuk menentukan peubah bebas yang dapat digunakan untuk memprediksi peubah tidak bebas. Hasil penelitian menunjukkan bahwa laju pertumbuhan relatif rumput laut di tambak tanah sulfat masam berkisar antara 1,52% dan 3,63%/hari dengan rata-rata 2,88% ± 0,56%/hari. Di antara 9 peubah kualitas air yang diamati ternyata hanya 5 peubah kualitas air yaitu: nitrat, salinitas, amonium, besi, dan fosfat yang mempengaruhi pertumbuhan rumput laut secara nyata. Untuk meningkatkan pertumbuhan rumput laut di tambak tanah sulfat masam Kecamatan Angkona Kabupaten Luwu Timur dapat dilakukan dengan pemberian pupuk yang mengandung nitrogen untuk meningkatkan kandungan amonium dan nitrat serta pemberian pupuk yang mengandung fosfor untuk meningkatkan kandungan fosfat sampai pada nilai tertentu, melakukan remediasi untuk menurunkan kandungan besi serta memelihara rumput laut pada salinitas air yang lebih tinggi, tetapi tidak melebihi 30 ppt.Seaweed (Gracilaria verrucosa) has been cultivated in acid sulfate soil-affected ponds with relatively high quality and quantity of seaweed production. A research has been conducted to study water quality variables that influence the growth of seaweed in acid sulfate soil-affected ponds of Angkona Sub-district East Luwu Regency South Sulawesi Province. Cultivation of seaweed was done for six weeks in 30 selected brackishwater ponds. Seeds of seaweed with weight of 100 g were stocked in hapa sized 1.0 m x 1.0 m x 1.2 m. Dependent variable that was observed was specific growth rate, whereas independent variables were water quality variables including light intensity, salinity, temperature, pH, carbondioxide, nitrate, ammonium, phosphate, and iron. Analyses of multiple regressions were used to determine the independent variables which could be used to predict the dependent variable. Research result indicated that relative growth rate of seaweed in acid sulfate soils-affected brackishwater ponds ranged from 1.52% to 3.63%/day with 2.88% ± 0.56%/day in average. Among nine observed water quality variables, only five variables namely: nitrate, salinity, ammonium, phosphate and iron influence significantly on the growth of seaweed in acid sulfate soils-affected brackishwater ponds. The growth of seaweed in acid sulfate soils-affected brackishwater ponds of Angkona District East Luwu Regency, can be improved by using nitrogen-based fertilizers to increase ammonium and nitrate contents and also fertilizers which contain phosphorus to improve phosphate content to a certain level. Pond remediation to decrease iron content and also rearing seaweed at higher salinity (but less than 30 ppt) can also be alternatives to increase the growth of seaweed.

Ammonium nitrogen uptake by rice grown in acid sulfate soil under controlled redox conditions

1996 ◽  
Vol 46 (2) ◽  
pp. 103-109 ◽  
Author(s):  
A. Jugsujinda ◽  
J. Prasittikhet ◽  
R. D. DeLaune ◽  
C. W. Lindau ◽  
R. P. Gambrell
Keyword(s):  
Nitrogen Uptake ◽  
Ammonium Nitrogen ◽  
Redox Conditions ◽  
Acid Sulfate Soil ◽  
Acid Sulfate

Ca-Al-Containing Slag As an Advanced Fenton System for the Remediation of Acid Sulfate Soil

2021 ◽  
Author(s):  
Jiachen Zeng ◽  
Bo Feng ◽  
De Wei ◽  
Runli Tao ◽  
Baolin Shi ◽  
...  
Keyword(s):  
Acid Sulfate Soil ◽  
Acid Sulfate ◽  
Fenton System

Iron and sulfur cycling in acid sulfate soil wetlands under dynamic redox conditions: A review

Chemosphere ◽  
2018 ◽  
Vol 197 ◽  
pp. 803-816 ◽  
Author(s):  
Niloofar Karimian ◽  
Scott G. Johnston ◽  
Edward D. Burton
Keyword(s):  
Redox Conditions ◽  
Sulfur Cycling ◽  
Acid Sulfate Soil ◽  
Acid Sulfate
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