Results 21 to 30 of about 869,485 (314)

Increase in soil organic carbon by agricultural intensification in northern China [PDF]

open access: yes, 2014
Acknowledgements. This research was supported by National Natural Science Foundation of China (no. 31370527 and 31261140367) and the National Science and Technology Support Program of China (no. 2012BAD14B01-2).
Lal, R.   +4 more
core   +3 more sources

Delineation of nutrient management zones in Chunian using soil attributes database developed by soil fertility research institute, Punjab, Pakistan

open access: yesSoil & Environment, 2018
A significant increase in food production, approximately 70%, is needed to feed the estimated 9.1 billion world population by 2050. Site-specific nutrient management through adoption of Precision Agriculture (PA) technologies can potentially increase ...
Muhammad Salik Ali Khan   +7 more
doaj   +1 more source

Sustainable yield of the Colle Quartara carbonate aquifer in the Southern Lepini Mountains (Central Italy)

open access: yesAcque Sotterranee, 2016
The present research is aimed to contribute to the groundwater resource sustainable management of a carbonate aquifer in a test area of the Lepini Mountains (Central Italy). This aquifer constitutes a major exploited groundwater body of central Apennines.
Giovanni Conte   +5 more
doaj   +1 more source

Capability and quality assessment of rice growing hydric soils in majuli river island, assam, India

open access: yesJournal of Agriculture and Environment for International Development, 2013
The  wetland soils in  majuli island is a unique in maintaining rice ecology and geoenvironment in Brahmaputra valley of Assam  due to increasing  rate of  bankline erosion in southern bank  and expansion of channel bars on northern banks.
Bhaskara Phaneendra Bhaskar   +1 more
doaj   +1 more source

Evaluation of automatic drainage extraction thresholds using ASTER GDEM and Cartosat-1 DEM: A case study from basaltic terrain of Central India

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2018
In the study, the digital elevation models from ASTER GDEM and Cartosat-1 of 30 m resolution were used to evaluate the thresholds in automatic extraction of stream network at six thresholds of 0.05 km2, 0.125 km2, 0.25 km2, 0.50 km2, 1.0 km2 and 2.0 km2 ...
G.P. Obi Reddy   +3 more
doaj   +1 more source

Assessment of Suitability of Fallow Lands for Major Medicinal Plants in Tamil Nadu

open access: yesInternational Journal of Bio-Resource and Stress Management, 2023
The present study was carried out to assess the extent of permanent fallow lands and identify the suitability of fallow lands for cultivation of major medicinal plants viz., Aswagandha (Withania somnifera Dunal), Senna (Cassia angustifolia M.
S. Dharumarajan   +6 more
doaj  

Extent of land degradation and status of wastelands in Rajasthan (NW India) with a focus on the Bhilwara District

open access: yesJournal of Agriculture and Environment for International Development, 2016
Geographically, the Rajasthan is the largest state of India. The mapping of degraded and wasteland, its distribution and district wise statistics is very important for land resource management.
Ram Prasad Sharma   +3 more
doaj   +1 more source

Mineral composition and its relations to readily available element concentrations in cultivated soils of Finland

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2022
Mineral composition is a fundamental feature that affects the properties and functions of soil through physical, chemical and biological interactions. However, comprehensive knowledge on the mineralogy of agricultural topsoils of Finland has been lacking.
Riikka Keskinen   +5 more
doaj   +1 more source

Determination of 10 Trace Elements in Kaolin by ICP-MS with Microwave Digestion

open access: yesYankuang ceshi, 2022
BACKGROUND As an important aluminosilicate, trace element contents affect the performance of the product. The kaolin standard substances GBW03121, GBW03122, GBW03122a lack the recommended values of ten elements such as arsenic and antimony.
LI Li-jun, XUE Jing
doaj   +1 more source

Using combustion analysis to simultaneously measure soil organic and inorganic carbon

open access: yesGeoderma
Soil organic carbon (SOC) and soil inorganic carbon (SIC) are of longstanding interest due to their relationship with other key soil properties and indications for soil health and carbon storage.
Tiffany L. Carter   +3 more
doaj   +1 more source

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