• No results found

[PDF] Top 20 Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents

Has 10000 "Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents" found on our website. Below are the top 20 most common "Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents".

Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents

Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents

... Since inorganic nitrogen is removed when a soil is leached with acid, the organic, not the total, nitrogen contents of pyro- phosphate extracts of untreated and acid-leached soils are co[r] ... See full document

6

Studies on the carbon and nitrogen cycles in the soil II The extraction of the organic matter of the soil with alkali

Studies on the carbon and nitrogen cycles in the soil II The extraction of the organic matter of the soil with alkali

... In the case of the Barnfield surface soils it is seen that there is, on the whole, little variation in the values for the different extracts from any one soil, indicating that the tint o[r] ... See full document

18

Release of ammonium and organic matter from soil by hydrofluoric acid and effect of hydrofluoric acid treatment on extraction of soil organic matter by neutral and alkaline reagents

Release of ammonium and organic matter from soil by hydrofluoric acid and effect of hydrofluoric acid treatment on extraction of soil organic matter by neutral and alkaline reagents

... Taken with the finding that hydrofluoric acid releases fixed am- monium from clay minerals (Table 4), these results indicate that the soils examined contained am- monium and organic matt[r] ... See full document

10

Review of key causes and sources for N2O emmisions and NO3 leaching from organic arable crop rotations

Review of key causes and sources for N2O emmisions and NO3 leaching from organic arable crop rotations

... surplus between alternative cropping systems. In three long-term field trials (13-17 years) in Northern France, Constantin et al. (2010) observed that CCs were the most efficient measure to decrease N leaching ... See full document

33

Organic geochemical studies of soils from the Rothamsted Classical Experiments - IV. Preliminary results from a study of the effect of soil pH on organic matter decay

Organic geochemical studies of soils from the Rothamsted Classical Experiments - IV. Preliminary results from a study of the effect of soil pH on organic matter decay

... directly from vegetation (AmbleÁs et ...originate from oxidation of a variety of other com- pounds such as n-alkanes and n-alkanols (Moucawi et ...Apart from some direct input, we believe that the ... See full document

17

Impacts of landscape recontouring on soil properties in Marlborough, New Zealand

Impacts of landscape recontouring on soil properties in Marlborough, New Zealand

... in part due to degradation of the soil microbial community while in storage (Jasper, 2007; Johnson et ...other studies that damage to soil physical properties while in storage does not affect ... See full document

118

A review of earthworm impact on soil function and ecosystem services

A review of earthworm impact on soil function and ecosystem services

... larger soil biota such as plant roots or earthworms, and the presence of organic matter and.. Earthworms both compact and loosen soil.[r] ... See full document

73

Influence of extractants and filter materials in the extraction of dissolved organic matter (DOM) from subtropical agricultural soil

Influence of extractants and filter materials in the extraction of dissolved organic matter (DOM) from subtropical agricultural soil

... results from this study show that the K 2 SO 4 extracts contain more DOC than the H 2 O ...onto soil particles through ion-exchange interactions (Jones and Willett, ...on soil particles, which ... See full document

8

Assessment of Heavy Metal Levels in the Soil of Moran
Municipality Areas of Sivasagar District of Assam, India

Assessment of Heavy Metal Levels in the Soil of Moran Municipality Areas of Sivasagar District of Assam, India

... surface soil samples (0-15 cm) and corresponding 33 subsurface soil samples (15-30 cm) were collected from roadside and agricultural ...Composite soil samples were taken and prepared for ... See full document

5

Composting as a way to convert cellulosic biomass and organic waste into high-value soil amendments: A review

Composting as a way to convert cellulosic biomass and organic waste into high-value soil amendments: A review

... ash, organic carbon, nitrogen, or ...acid-like matter, relative to the total amount of carbon, can be a further way to define compost maturity (Spaccini and Piccolo 2008; Lima et ...clear from their ... See full document

47

RELATIONSHIP BETWEEN SOME CLIMATIC FACTORS AND SOIL CARBON DIOXIDE EMISSION

RELATIONSHIP BETWEEN SOME CLIMATIC FACTORS AND SOIL CARBON DIOXIDE EMISSION

... the soil properties were effect by the type of ...for organic and bio-fertilizer compared with chemical ...time, soil pH increased by applied chemical treatment more than other treatments except ... See full document

16

Effects of Longterm Application of Organic Residues and Inorganic Fertilisers on Soil Microbial Biomass, Diversity and Activities in Nyabeda, Siaya County, Kenya

Effects of Longterm Application of Organic Residues and Inorganic Fertilisers on Soil Microbial Biomass, Diversity and Activities in Nyabeda, Siaya County, Kenya

... on soil pH, as well as the inhibitive effects of phosphorus accumulations on fungal ...other studies supporting reductions in microbial biomass parameters with inorganic fertiliser application, for ... See full document

139

Impact of organic material incorporation with soil in relation to their shear strength and water properties

Impact of organic material incorporation with soil in relation to their shear strength and water properties

... clay soil increased its capacity to retain more water at any given ...of organic materials to the soils before ...the organic materials might have increased their pore spaces which lead to increase ... See full document

8

Biological Soil Quality Indicators and Conditioners in a Plant Assisted Remediation of Crude Oil Polluted Farmland

Biological Soil Quality Indicators and Conditioners in a Plant Assisted Remediation of Crude Oil Polluted Farmland

... of soil ecosystem and functional diversity, the influence of organic manure on the resultant biological quality of a crude oil polluted agricultural soil from a 90 d phytoremediation pot ... See full document

14

Acacia trotilis and Calotropis procera: Do They Substantially Promote Soil Carbon Sequestration?

Acacia trotilis and Calotropis procera: Do They Substantially Promote Soil Carbon Sequestration?

... ing part of the desert ...integral part of the UAE ...improve soil carbon sequestration? What is the extent of such seques- tration in the UAE soils? Those are some of the questions that the present ... See full document

7

Photochemical Oxidation of Soil Organic Matter by Sunlight

Photochemical Oxidation of Soil Organic Matter by Sunlight

... Soil Organic Carbon (SOC) is stored in soils mainly as humic substances and in undecomposed plant and animal ...extensive studies in recent years have indicated that SOC is reducing at an alarming ... See full document

7

Soil Functions in Earth's Critical Zone: Key Results and Conclusions

Soil Functions in Earth's Critical Zone: Key Results and Conclusions

... defining soil functions as flows and transformations is ...available from first principles analysis and must be determined from extensive and thus potentially expensive site-specific ...Some ... See full document

20

Soil organic matter of Chernozem in the part of Central Europe

Soil organic matter of Chernozem in the part of Central Europe

... The average values of SOM content in topsoil are 2.73 ± 0.07 %. Minimal content in topsoil is 0.80%, on the contrary the highest value is 5.35 %. It means that the range of the observed sample is quite wide. The average ... See full document

6

Soil changes induced by hardwood and coniferous tree plantations establishment: Comparison with natural forest soil at Berenjestanak lowland forest in north of Iran

Soil changes induced by hardwood and coniferous tree plantations establishment: Comparison with natural forest soil at Berenjestanak lowland forest in north of Iran

... different soil layers had significant impacts on Ex-K, Ex-Mg and Ex-Ca ...Since soil texture in study area is clay loam and high clay is concentrated in deeper layers and on the other hand clays type ... See full document

18

Effects of Farmyard Manure and Inorganic Fertilizer Application on Soil Physico Chemical Properties and Nutrient Balance in Rain Fed Lowland Rice Ecosystem

Effects of Farmyard Manure and Inorganic Fertilizer Application on Soil Physico Chemical Properties and Nutrient Balance in Rain Fed Lowland Rice Ecosystem

... uptake from the total nutrient added to the ...nutrients from rainfall, dry deposition, biological nitrogen fixation, nor gaseous losses of N, or weed uptake of nutrients from the soil ... See full document

8

Show all 10000 documents...