scholarly journals Soil Acidity Soil Acidity Mapping of Tidal Swamp Lands planted with rice in Ampukung Village, Kelua District, Tabalong Regency

2020 ◽  
Vol 6 (2) ◽  
pp. 50-55
Author(s):  
Noor Khamidah ◽  
Riza Adrianoor Saputra
Keyword(s):  
Soil Fertility ◽  
Soil Ph ◽  
Soil Acidity ◽  
Research Data ◽  
Limiting Factors ◽  
Agricultural Activities ◽  
Rice Farming ◽  
Basic Information ◽  
Tidal Swamp ◽  
Tidal Swamps

Tidal swamp land is one type of wetland in South Kalimantan, where the water level is influenced by the season/rainfall. Based on the puddle level and duration, tidal swamp land has three typologies, namely shallow tidal swamp, middle tidal swamp, and deep tidal swamp. The wetlands in Ampukung village are classified in tidal swamps.  Most of the tidal swamps have been utilized for agricultural activities, especially rice. Till now, rice farming in the tidal swamps of Ampukung village has not experienced any significant problems. In 2016, the rice harvest in Ampukung village exceeded the target of South Kalimantan. This success is considered to be increased by planting twice a year. However, some issues need to be addressed regarding the characteristics of the land in Ampukung village. Soil fertility, especially soil acidity, is one of the limiting factors in the utilization of tidal swamp land. Therefore, it is necessary to identify the acidity of the soil in the tidal swamp of Ampukung village. The acidity data is basic information to determine the condition of soil fertility to achieve the target of planting rice twice a year. This information will be presented in the form of a map to assist users in interpreting the research data. This study found that the soil pH in the tidal swamp lands of Ampukung Village, which was planted with rice, was highly acidic and homogeneously distributed.

scholarly journals Response of giving local microorganism solutions from bamboo shoot to growth and production of red chili plant (Capsicum annum L) jenggo F1

1970 ◽  
Vol 6 (3) ◽  
pp. 424-429
Author(s):  
Hilwa Walida ◽  
Eko Surahman ◽  
Fitra Syawal Harahap ◽  
Wiwit Arif Mahardika
Keyword(s):  
Soil Fertility ◽  
Crop Productivity ◽  
Research Data ◽  
Limiting Factors ◽  
Average Height ◽  
Bamboo Shoot ◽  
Pests And Diseases ◽  
Capsicum Annum ◽  
Number Of Leaves ◽  
High Doses

Efforts to increase the production of chilli plants are still experiencing obstacles. The presence of several pests and diseases makes one of the limiting factors that cause a decrease in the production of red chili. Likewise, the intensification of plants by fertilizing and applying pesticides continuously at high doses causes deterioration or decreased soil fertility, so that the addition of fertilizer and pesticide inputs are no longer able to spur increased crop productivity. The aim of this study was to determine the response of giving Local Microorganism (MOL) Solutions bamboo shoot to the growth and production of red chili (Capsicum annum L) varieties of Jenggo F1. This research was conducted with 4 doses of MOL bamboo shoot treatment and repeated 10 times. Research data was the averages data of each parameter and then analyzed descriptively. The highest average height of plants at M2 treatment (100 ml / sample) at the age of 10 MST was 44.05 cm. The average number of leaves at M2 treatment (100 ml / sample) aged 10 MST as many as 77.8 strands. The fastest flowering age was35.7 days (M2). The largest initial production weight was 28.50 grams (M2). Giving MOL solution of bamboo shoot at a dose of 100 ml / sample gave a good response to all observed parameters such as plant height (cm), number of leaves (strands), age of flowering (days), and initial production weight (g).

scholarly journals Soil Fertility, Oil Palm Growth and Productivity on Three Pyritic Depths

2020 ◽  
Vol 28 (2) ◽  
pp. 71-84
Author(s):  
Edy Sigit Sutarta ◽  
Dhimas Wiratmoko ◽  
Erwin Nyak Akoeb
Keyword(s):  
Soil Fertility ◽  
Oil Palm ◽  
Soil Acidity ◽  
Depth Distribution ◽  
Limiting Factors ◽  
Marginal Land ◽  
High Acidity ◽  
Nutrients Uptake ◽  
Mineral Soils ◽  
Macro Nutrients

Acid sulfidic land is one of the marginal land that has been used for oil palm development.  Low soil acidity (pH) and high content of Al and Fe are limiting factors for oil palm development in this area.  Oil palm yield in this area was very limited and could not reach the standard of oil palm productivity in mineral soils. The objectives of this study were mapping the pyritic depth distribution, and observing the soil fertility on three pyritic depth (40 – 60 cm, 60 - 90 cm, and >90 cm). The results of this study showed that Paya Rambe plantation had varied pyritic depths, between 40-110 cm. The shallow pyritic depth was found along the river to the sea estuary.  Shallow pyritic depth soil has lower soil fertility than the deeper one.  Soil with shallow pyritic layer has high acidity, Fe, S, and Al contents, also contain low macro nutrients (N, P, K, and Mg) availability.  Furthermore, shallow pyritic depth reduced the oil palm growth, nutrients uptake and oil palm productivity.

Soil Fertility under Continuous Cultivation in Northern Nigeria

1970 ◽  
Vol 6 (3) ◽  
pp. 229-237 ◽  
Author(s):  
R. G. Heathcote
Keyword(s):  
Soil Fertility ◽  
Soil Acidity ◽  
Continuous Cultivation ◽  
Potassium Deficiency ◽  
Limiting Factors ◽  
Northern Nigeria ◽  
Organic Manures ◽  
Sudan Savanna ◽  
Savanna Zone

SUMMARYSoil acidity, incipient potassium deficiency, and a deficiency of one or more trace elements were limiting factors in three trials of long-term soil fertility changes under continuous cultivation in the Sudan Savanna zone of Nigeria. The effectiveness of organic manures is explained largely or wholly in terms of these factors, since no evidence has yet been found to suggest that the addition of organic matter as such is of value.

scholarly journals Extent, Distribution, and Causes of Soil Acidity under Subsistence Farming System and Lime Recommendation: The Case in Wolaita, Southern Ethiopia

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Fanuel Laekemariam ◽  
Kibebew Kibret
Keyword(s):  
Soil Fertility ◽  
Soil Ph ◽  
Soil Acidification ◽  
Soil Acidity ◽  
Farmyard Manure ◽  
Southern Ethiopia ◽  
Subsistence Farming ◽  
Exchangeable Acidity ◽  
Management Interventions ◽  
Exchangeable Al

Soil acidity is one of the most important environmental threats to the Ethiopian highlands where the livelihood of the majority of people is reliant on agriculture. Yet, information regarding its extent, distribution, causes, and lime requirement at a scale relevant to subsistence farming systems is still lacking. This study (1) investigates the extent and spatial distribution of soil acidity, (2) identifies factors attributing to soil acidification, and (3) predicts the lime requirement for major crops. A total of 789 soil samples were collected from arable lands in the Wolaita area which is mainly characterized by poor soil fertility and soil degradation in southern Ethiopia. Results revealed that the landscape is characterized by a gentle slope followed by strongly sloppy > flat > hilly topographies. Clay is the dominant soil textural class. A soil pH map, which is generated using geospatial analysis, demonstrates that 3.3, 78.0, and 18.7% of the total area were under strongly acidic, moderately acidic, and neutral soil reactions, respectively. The exchangeable acidity (Cmol(+)/kg) varied from nil to 5.1, whereas exchangeable Al ranged from 1.4 to 19.9 Cmol(+)/kg. The soil pH has shown a significantly ( p  < 0.001) negative association with clay content (r = −0.33), exchangeable Al (r = −61), exchangeable acidity (r = −0.58), and inorganic fertilizer application (r = −0.33). Increased rates of diammonium phosphate (DAP) (r2 = 0.91) and urea (r2 = 0.88) markedly elevated soil acidity. Conversely, manuring showed a significant ( p  < 0.001) and positive relationship with pH (r = 0.37) in which the increasing rate of manure significantly reduced acidification (r2 = 0.98). DAP and urea applications above 75 kg/ha lowered soil pH units by 0.56 and 0.48, respectively, <25 kg/ha while at the same time farmyard manure (FYM) at 4 t/ha raised pH by 0.75 units over the unfertilized field. Residue management significantly ( p  < 0.001) influenced soil pH wherein it ranged from 6.09 (complete residue removal) to 6.61 (residue incorporation). Changes in land use, cropping intensity, and socioeconomic status were also significantly attributed to soil acidification. To curb the effects of soil acidity, the lime requirement for common bean growing fields varied from zero to 6.6 t/ha, while for maize it was between zero and 4.3 t/ha. It is concluded that soil management interventions such as maintaining and incorporating crop residues, integrated use of organic and inorganic fertilizers, liming, and enhancing farmers’ awareness should be advocated to overcome soil acidification and improve soil fertility. In addition, introducing crops with traits that tolerate acidity and Al toxicity is also suggested.

scholarly journals The Influence of Tidal on Fe Distribution at Tidal Swamp Rice-Farming in Barito River Area, South Kalimantan, Indonesia

2020 ◽  
Vol 20 ◽  
pp. 02002
Author(s):  
Mawardi ◽  
Bambang Hendro Sunarminto ◽  
Benito Heru Purwanto ◽  
Putu Sudira ◽  
Totok Gunawan
Keyword(s):  
Spatial Distribution ◽  
Soil Profile ◽  
Iron Concentration ◽  
High Tide ◽  
Data Availability ◽  
Survey Method ◽  
Rice Farming ◽  
Tidal Swamp ◽  
Iron Poisoning ◽  
Tidal Swamps

Iron (Fe) poisoning can cause problems on growth, the formation of saplings, and the filling of grains. These problems lead to and plant death or decrease in productivity. The inhibition of growth and production is increasingly higher in susceptible varieties. The distribution of iron concentration varies in different regions and locations of swamp rice farming. Various adverse effects of iron poisoning on rice have been widely reported, but the spatial distribution of iron in tidal fields is still rare. Iron distribution in various soil profile depths has not been widely investigated and data availability to avoid Fe poisoning in tidal swamps has not been widely reported. Spatial distribution of Fe concentrations is needed as a reference for rice cultivation in tidal swamps. This study has been conducted in November 2015 until August 2017 using the survey method in the Barito River area, South Kalimantan, Indonesia. The use of thematic maps such as tidal height difference (Δ), tidal flood type, and thickness of mud map. The results showed that the spatial concentration of Fe is highest in the zone I which has the highest difference (Δ) of high tide maximum and low tide maximum. While on the soil profile, the highest of Fe concentration is in layer 1 and the lowest concentration is in layer 3. Based on the overflow type, the highest Fe concentration is typed A and type B especially close to the estuary. To prevent iron poisoning, rice seedlings should reach layer 2 (> 10 cm) and choose the safe zone that is zone II, III, or IV to produce optimal rice production.

The influence of lime application on the chemical and physical characteristics of acidic grassland soils with impeded drainage

2021 ◽  
pp. 1-10
Author(s):  
D. Corbett ◽  
D. P. Wall ◽  
M. B. Lynch ◽  
P. Tuohy
Keyword(s):  
Soil Ph ◽  
Soil Acidity ◽  
Nutrient Use Efficiency ◽  
Iron Concentration ◽  
Physical Structure ◽  
Limiting Factors ◽  
Phosphorus Concentration ◽  
Treatment Rate ◽  
Rate Of Increase ◽  
Lime Application

Abstract Soil acidity and poor nutrient use efficiency are major limiting factors as regards output potential on heavy soils, soils which are dominated by high proportions of clay and organic matter, with impeded drainage, high buffering capacity and located in high rainfall areas. Lime is applied in order to counteract these limiting factors and in turn improve agricultural output and productivity. The current study investigates the effects of two commonly used lime products at three comparable treatment rates, ground lime (7.5, 5 and 2.5 tonne/ha) and granulated lime (7.5, 2.5 and 1.5 tonne/ha), applied across three distinct sites. The ability of each lime product and treatment rate to counteract soil acidity, increase nutrient availability and influence soil physical structure was assessed over time. On average across sites, 1 tonne/ha of each lime product increased soil pH by 0.15 and 0.21 pH units between ground and granulated lime, respectively. Site 3 experienced the greatest increase change in soil pH in comparison to the other two sites, largely due to lower clay content and cation exchange capacity. Granulated lime was 5.7 times more expensive than ground lime in its ability to reduce soil acidity. The high treatment rate showed the greatest reduction in soil acidity, aluminium and iron concentration as a mean across all sites. Morgan's soil test phosphorus concentration increased across all sites, with treatment rates having no effect on the rate of increase. There was evidence of reduced soil compaction and lime application showed no negative implication on soil physical structure.

EFFECTS OF SOIL ACIDITY ON RHIZOBIA NUMBERS, NODULATION AND NITROGEN FIXATION BY ALFALFA AND RED CLOVER

1977 ◽  
Vol 57 (2) ◽  
pp. 197-203 ◽  
Author(s):  
W. A. RICE ◽  
D. C. PENNEY ◽  
M. NYBORG
Keyword(s):  
Nitrogen Fixation ◽  
Soil Ph ◽  
Soil Acidity ◽  
Field Experiments ◽  
Rhizobium Meliloti ◽  
Acid Soils ◽  
Red Clover ◽  
Ion Concentration ◽  
Hydrogen Ion Concentration ◽  
Greenhouse Experiments

The effects of soil acidity on nitrogen fixation by alfalfa (Medicago sativa L.) and red clover (Trifolium pratense L.) were investigated in field experiments at 28 locations, and in greenhouse experiments using soils from these locations. The pH of the soils (limed and unlimed) varied from 4.5 to 7.2. Rhizobia populations in the soil, nodulation, and relative forage yields (yield without N/yield with N) were measured in both the field and greenhouse experiments. Rhizobium meliloti numbers, nodulation scores, and relative yields of alfalfa decreased sharply as the pH of the soils decreased below 6.0. For soils with pH 6.0 or greater, there was very little effect of pH on any of the above factors for alfalfa. Soil pH in the range studied had no effect on nodulation scores and relative yields of red clover. However, R. trifolii numbers were reduced when the pH of the soil was less than 4.9. These results demonstrate that hydrogen ion concentration is an important factor limiting alfalfa growth on acid soils of Alberta and northeastern British Columbia, but it is less important for red clover. This supports the continued use of measurements of soil pH, as well as plant-available Al and Mn for predicting crop response to lime.

scholarly journals The Dynamics of Tungsten in Soil: An Overview

Environments ◽  
2021 ◽  
Vol 8 (7) ◽  
pp. 66
Author(s):  
Gianniantonio Petruzzelli ◽  
Francesca Pedron
Keyword(s):  
Everyday Life ◽  
Soil Ph ◽  
Food Chain ◽  
Green Energy ◽  
Basic Information ◽  
Environmental Legislation ◽  
Soil Environment ◽  
Aluminum Oxides ◽  
Adsorption And Desorption ◽  
Iron And Aluminum Oxides

The increasing use of tungsten in the production of green energy in the aerospace and military industries, and in many other hi-tech applications, may increase the content of this element in soil. This overview examines some aspects of the behavior of tungsten in soil, such as the importance of characteristics of soils in relation to bioavailability processes, the chemical approaches to evaluate tungsten mobility in the soil environment and the importance of adsorption and desorption processes. Tungsten behavior depends on soil properties of which the most important is soil pH, which determines the solubility and polymerization of tungstate ions and the characteristics of the adsorbing soil surfaces. During the adsorption and desorption of tungsten, iron, and aluminum oxides, and hydroxides play a key role as they are the most important adsorbing surfaces for tungsten. The behavior of tungsten compounds in the soil determines the transfer of this element in plants and therefore in the food chain. Despite the growing importance of tungsten in everyday life, environmental regulations concerning soil do not take this element into consideration. The purpose of this review is also to provide some basic information that could be useful when considering tungsten in environmental legislation.

AN ASSESSMENT OF THE SOIL ACIDITY PROBLEM IN ALBERTA AND NORTHEASTERN BRITISH COLUMBIA

1977 ◽  
Vol 57 (2) ◽  
pp. 157-164 ◽  
Author(s):  
D. C. PENNEY ◽  
M. NYBORG ◽  
P. B. HOYT ◽  
W. A. RICE ◽  
B. SIEMENS ◽  
...  
Keyword(s):  
British Columbia ◽  
Soil Ph ◽  
Soil Acidity ◽  
Field Experiments ◽  
Trifolium Pratense ◽  
Acid Soil ◽  
Acid Soils ◽  
Red Clover ◽  
Hordeum Vulgare L ◽  
Crop Species

The amount of cultivated acid soil in Alberta and northeastern British Columbia was estimated from pH values of farm samples analyzed by the Alberta Soil Testing Laboratory, and the effect of soil acidity on crops was assessed from field experiments on 28 typical acid soils. The field experiments consisted of two cultivars of barley (Hordeum vulgare L.) and one cultivar each of rapeseed (Brassica campestris L.), red clover (Trifolium pratense L.) and alfalfa (Medicago sativa L.) grown with and without lime for 2 yr. There are about 30,000 ha of soils with a pH of 5.0 or less where soil acidity seriously restricts yields of all four crop species. There are approximately 300,000 ha with a soil pH of 5.1–5.5 where liming will on the average increase yields of alfalfa by 100%, yields of barley by 10–15%, and yields of rapeseed and red clover by 5–10%. There are a further 1,600,000 ha where soil pH ranges from 5.6 to 6.0 and liming will increase yields of alfalfa by approximately 50% and yields of barley, rapeseed and red clover by at least 4–5%.

Soil acidity in 1970 and 1989 in a coniferous forest in southwest Finland

1998 ◽  
Vol 78 (3) ◽  
pp. 477-479 ◽  
Author(s):  
C. J. Westman ◽  
S. Jauhiainen
Keyword(s):  
Key Words ◽  
Soil Ph ◽  
Soil Acidity ◽  
Mineral Soil ◽  
Coniferous Forest ◽  
Soil Layers ◽  
Water Suspension ◽  
Ph Values ◽  
Humus Layer ◽  
Repeated Sampling

Forest soil pH in southwest Finland was measured with identical sampling and analysing methods in 1970 and 1989. The acidity of the organic humus layer increased significantly as pH values measured on water and on salt suspensions decreased between the two sampling dates. For the mineral soil layers, no unambiguous trend was found. pH values measured on salt suspension tended to be unchanged or lower, while pH on water suspension in some soil layers were even higher in 1989 than in 1970. Key words: pH, repeated sampling

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