• No results found

0 to 30 cm

Polychlorinated Biphenyls Contamination of Sludge in India

Polychlorinated Biphenyls Contamination of Sludge in India

... The coplanar PCBs (i.e. 77, 126 and 169) having dioxin-like properties were reported to be the most toxic con- geners [24]. Among them, the congener 77 existed in all samples, and its concentration was not found to be ...

11

Farmers’ preferred trees carbon sequestration capacity in Lake Victoria’s rural landscapes.

Farmers’ preferred trees carbon sequestration capacity in Lake Victoria’s rural landscapes.

... the 0-15 cm soil depth. For soil depth of 15-30 cm, maize had higher carbon stock compared to all other land-use beneath Ficus nantalensis ...the 0-15 cm topsoil compared to ...

11

 
Effect of fertilization on composition and spatial distribution of dissolved organic nitrogen in paddy soil microbial systems

  Effect of fertilization on composition and spatial distribution of dissolved organic nitrogen in paddy soil microbial systems

... (030 cm), and provide a theoretical basis for further deep research into the paddy soil nitrogen supply, experiments based on the lysimeter method were carried out to investigate the effect of ...

7

Changes in Soil Carbon Stocks under  Integrated Crop Livestock Forest System  in the Brazilian Amazon Region

Changes in Soil Carbon Stocks under Integrated Crop Livestock Forest System in the Brazilian Amazon Region

... Several studies indicate that the use of integrated production systems, such as integrated crop-livestock-forest systems (ICLF), improves the quality of the soil and consequently the sequestration of organic carbon in ...

10

Minimum viewing angle for visually guided ground speed control in bumblebees

Minimum viewing angle for visually guided ground speed control in bumblebees

... to 30cm tunnel is ...the 30 to 15cm tunnel, the mean lateral position before the change in tunnel width is ...to 30cm tunnel, and 4±9deg. in the 30 to 15cm ...

8

Soil organic carbon sequestration in soil aggregates in the karst Critical Zone Observatory, Southwest China

Soil organic carbon sequestration in soil aggregates in the karst Critical Zone Observatory, Southwest China

... in 0–10 cm depth soil decreased with land uses as follows: secondary forest land (90%), abandoned orchard land (82%), grassland (80%), bushland (78%), abandoned farmland (64%) and farmland (53%) (Figure ...

7

Soil quality index for agricultural areas under different levels of anthropopressure

Soil quality index for agricultural areas under different levels of anthropopressure

... A b s t r a c t. Different individual soil parameters or simple indi- ces are widely used in soil quality evaluation, but this approach has many limitations. The aim of the study was to determine an integrated soil ...

8

Modelling soil organic carbon changes on arable land under climate change – a case study analysis of the Kočín farm in Slovakia

Modelling soil organic carbon changes on arable land under climate change – a case study analysis of the Kočín farm in Slovakia

... The first comparison results (Appendix 1) in- dicate that neither of the two climate change scenarios (A2 and B2) affects the average yields per crop rotation systems significantly. However, some crops are affected in a ...

13

Potential Use of Halophytes in Combination with Gypsum to Reclaim and Restore Saline-Sodic Soils in Egypt

Potential Use of Halophytes in Combination with Gypsum to Reclaim and Restore Saline-Sodic Soils in Egypt

... A pot experiment was conducted under greenhouse conditions using clay saline- sodic soil collected from the 0-30 cm topsoil of the Sahl El-Tina plain, north- west coast of Sinai, Egypt. Closed bottom ...

9

The content of Pb, Zn and Cd in hydroameliorated soil and drainage water and their uptake by plants

The content of Pb, Zn and Cd in hydroameliorated soil and drainage water and their uptake by plants

... (0–30 cm), in drainage water and their uptake by growing plants, in the experimental amelioration field for four different variants of drainpipe spacing (15, 20, 25 and 30 m) during the ...

6

Underground wireless data transmission using 433 MHz LoRa for agriculture

Underground wireless data transmission using 433 MHz LoRa for agriculture

... approximately 30 m, 15 m, and 2 m away from the water’s ...23 cm), which abruptly overlaid an orange mottled medium clay ...28 cm, which had a gradual boundary to a yellow-brown medium clay with ...

18

J. FOR. SCI., 48 , 2002 (3): 121–129 121

J. FOR. SCI., 48 , 2002 (3): 121–129 121

... Each of the variants was carried out in three replica- tions under a stand (108 B7) and complementarily in 1 replication in a clearing (clear-felled area 108 A5). In establishing the experiment, soil samples were taken ...

9

Phase behaviour of self-assembled monolayers controlled by tuning physisorbed and chemisorbed states : a lattice-model view

Phase behaviour of self-assembled monolayers controlled by tuning physisorbed and chemisorbed states : a lattice-model view

... It is known that halogenated benzene molecules on platinum have several possible adsorp- tion sites, orientations and energies [28]. In this study we assume that for both adsorption states the lowest energy adsorption ...

21

Cost Effectiveness of Growing Cotton Depending on Irrigation Source and Groundwater Salinity in the Ferghana  Valley, Uzbekistan

Cost Effectiveness of Growing Cotton Depending on Irrigation Source and Groundwater Salinity in the Ferghana Valley, Uzbekistan

... - land cadastre data on soil fertility quality score; - data on groundwater level and salinity; - soil salinity determined by soil sampling at the depths of 0 - 30 cm and 30 70 cm and by[r] ...

14

ANTIMICROBIAL ACTIVITY OF BRIHATYADI KWATHA AND BHAVITA BRIHATYADI CHURNA W S R  TO UTI

ANTIMICROBIAL ACTIVITY OF BRIHATYADI KWATHA AND BHAVITA BRIHATYADI CHURNA W S R TO UTI

... Table 5 & 6: Alcohol extract of BBC showed antibacterial activity against Pseudomonas aeruginosa which was more at concentration of 50 µl than 30 µl. This may indicate that the drug acts better when its ...

10

Assay of noninfectious fragments of DNA of avian leukosis virus-infected cells by marker rescue.

Assay of noninfectious fragments of DNA of avian leukosis virus-infected cells by marker rescue.

... Marker rescue with noninfectious fragments of RAV-O DNAa Fraction of positive cultures Salmon sperm Sonicated DNA RAV-0 DNA LA335 polls 0/30 2/30 LA3342 gage 0/30 3/30 a Cultures of chic[r] ...

8

Soil water storage and its temporal association with other water-atmospheric variables in a tomato field under different irrigation regimes

Soil water storage and its temporal association with other water-atmospheric variables in a tomato field under different irrigation regimes

... The summary of the temporal distribution of SWS in the 0-30 cm profiles shown in Table 3 while Figure 3 shows the temporal distribution of the SWS. All the treatments show very high amplitude in the ...

14

Characterization of soils of  cotton growing areas of arba minch zuria woreda, gamo gofa zone, southern Ethiopia

Characterization of soils of cotton growing areas of arba minch zuria woreda, gamo gofa zone, southern Ethiopia

... related constraints could be one of the low cotton productivity. Presently, little information is available to farmers and extension workers on different aspects of soil management in the cotton growing areas of ...

6

Contribution of nitrification and denitrification to N2O emissions from urine patches

Contribution of nitrification and denitrification to N2O emissions from urine patches

... the 0-10 cm soil layer of microplots treated with water, ammonium solution and urine; n.. derived from reduction of NO3- in the 0-2 cm soil layer determined in 15NO3- labelled.[r] ...

38

Spontaneous intratumoral bleeding and rupture of giant gastric stromal tumor (> 30 cm) in a young patient

Spontaneous intratumoral bleeding and rupture of giant gastric stromal tumor (> 30 cm) in a young patient

... 5 cm) and mitotic index (> 5/50 high-power field) are accepted as two independent prog- nostic factors of gastrointestinal stromal tumor ...as 30 years after primary resection ...

5

Show all 10000 documents...

Related subjects