• No results found

Biological activity in soil

The effect of spruce stand thinning on biological activity in soil

The effect of spruce stand thinning on biological activity in soil

... intensive soil activity, in- creased supply of ammonium nitrogen and reduction of its oxidation into nitrate forms (T HIBODEAU et ...the biological activity would differ in two spruce stands ...

8

Effects of maize and winter wheat grown under different cultivation techniques on biological activity of soil

Effects of maize and winter wheat grown under different cultivation techniques on biological activity of soil

... the activity and functional biodiversity in soil under two different cereals: com- mon maize and winter wheat, both grown in the same pattern of cultivation techniques: conventional (to 25 cm depth) and ...

6

Soil Biological Activity in Relation to Organic and Bio-fertilizer Application

Soil Biological Activity in Relation to Organic and Bio-fertilizer Application

... potential activity of micro-flora and soil organic matter ...as soil conditioners and structural improvers. Also, they increase soil water holding ...of soil and soils biological ...

14

Effects of on-farm composted tomato residues on soil biological activity and yields in a tomato cropping system

Effects of on-farm composted tomato residues on soil biological activity and yields in a tomato cropping system

... on soil biological activities Compost amendments represent an extraordinary food event for soil microbes that play a crucial role in the turnover of all major plant ...nutrients. Soil biota, ...

13

The Influence of Heated Soil in Crop of “Tamaris” Tomato Plants on the Biological Activity of the Rhizosphere Soil

The Influence of Heated Soil in Crop of “Tamaris” Tomato Plants on the Biological Activity of the Rhizosphere Soil

... microbial activity and all nutrients that plants absorb from soil must pass through this ...growth. Soil microorganisms are the first to respond to environmental ...heated soil, the total ...

11

Soil biological activity of mulching and cut/harvested land set aside

Soil biological activity of mulching and cut/harvested land set aside

... Formerly arable luvic chernozem set aside for ten years (1997–2006) with different herbaceous cover (grass, legu- mes and their mixtures) and agronomical practices (mulching and cut/harvesting) was studied. The ...

8

Effects of heavy metal concentrations on biological activity of soil micro organisms

Effects of heavy metal concentrations on biological activity of soil micro organisms

... of soil micro-organisms undergo several ...of soil quality (Filip ...of soil metabolism. Biological methods can measure the actual impact of contaminants on soil organisms, they show ...

6

Antibiotic pigment from desert soil actinomycetes; biological activity, purification and chemical screening

Antibiotic pigment from desert soil actinomycetes; biological activity, purification and chemical screening

... The crude pigment was screened for biological activity against drug resistant pathogens MRSA, VRSA and ESBL cultures of E. coli, Klebsiella sp., Pseudomonas aeruginosa by disc diffusion method. About 0.25 ...

6

Soil biological activity as affected by tillage intensity

Soil biological activity as affected by tillage intensity

... the soil under winter wheat grown in RT system. In comparison to soil managed conven- tionally, contents of MBC in soil under RT and DS were 22 and 18% higher, on average, ...in soil under RT ...
Elastic and plastic soil deformation and its influence on emission of greenhouse gases

Elastic and plastic soil deformation and its influence on emission of greenhouse gases

... highest biological activity is usually located near the surface (Suarez and Simunek, 1993) as it was observed for all investigated tillage regimes at this experimental ...protect soil organic carbon ...

12

A numerical and experimental study of a new design of closed dynamic respiration chamber

A numerical and experimental study of a new design of closed dynamic respiration chamber

... The carbon dioxide efflux is a result of biological activity in the soil and plants at the location. 433[r] ...

41

Biological activity, nitrogen dynamics, and chemical characteristics of forest soils in the Šumava national park

Biological activity, nitrogen dynamics, and chemical characteristics of forest soils in the Šumava national park

... microbial activity and consequent increasing decomposition of organic matter followed by a release of nutrients into the soil ...the soil profile; only on the transition between the eluvial and ...

11

Dehydrogenase activity of technogenic soils of former sulphur mines (Yavoriv and Nemyriv, Ukraine)

Dehydrogenase activity of technogenic soils of former sulphur mines (Yavoriv and Nemyriv, Ukraine)

... that biological activity of soils on dumps was lower than biological activity of natural ...me activity of polluted soils was restored, and after 15-20 years it was quite similar to the ...

6

Role of planting depth and mulching on growth and yield components of autumn potato crop sown at different dates

Role of planting depth and mulching on growth and yield components of autumn potato crop sown at different dates

... the soil surface and great weed ...through soil and water conservation, enhanced soil biological activity and improved chemical and physical properties of the soil [45], ...

14

Soil preparation by ploughing in the floodplain forest and its influence on vegetation and primary soil characteristics

Soil preparation by ploughing in the floodplain forest and its influence on vegetation and primary soil characteristics

... AbStrAct: The paper analyzes the effect of whole-area site preparation by ploughing and of alternate field and forest crops on the understorey, soil biological activity and physical and chemical ...

12

Nitrogen Supply and Management in Organic Farming

Nitrogen Supply and Management in Organic Farming

... the soil to be incorporated in the ...the biological activity of the soil and local ...upper soil profile so that it is within reach of the next crop, rather than being leached out of ...

30

Vol 70, No 4 (2018)

Vol 70, No 4 (2018)

... in soil respiration, nor in the number of investigated groups of microorganisms between soil samples with and without elevated concentrations of heavy ...metals. Soil respiration is generally ...

10

Soil drying and re wetting effects on phosphorus availability and plant yields

Soil drying and re wetting effects on phosphorus availability and plant yields

... 196 soil P reserves replacing P taken up by the rice ...and soil P concentrations may have been in dynamic equilibrium, whereby sorbed P was released to replace P assimilated by plant ...available ...

238

Computer Aided Prediction of Biological Activity Spectra: Study of Correlation between Predicted and Observed Activities for Coumarin-4-Acetic Acids

Computer Aided Prediction of Biological Activity Spectra: Study of Correlation between Predicted and Observed Activities for Coumarin-4-Acetic Acids

... of activity, desirable novelty of a substance, available facilities for experimental ...particular activity is predicted with ...the activity in experiment is high, but in some cases the compound may ...

5

Quantifying the impacts of coal seam gas (CSG) activities on the soil resource of agricultural lands in Queensland, Australia

Quantifying the impacts of coal seam gas (CSG) activities on the soil resource of agricultural lands in Queensland, Australia

... Soil security and food supply are critical pressing issues facing the world today. With food demand expected to double by the middle of the century, the Earth’s productive capacity is being impacted by many ...

10

Show all 10000 documents...

Related subjects