Results 31 to 40 of about 18,593,124 (392)

Simulation and Analysis of Land-Surface Processes in the Taklimakan Desert Based on Noah LSM

open access: yesAdvances in Meteorology, 2019
This study evaluated the Noah land-surface model performance to simulate the land-surface process during different weather conditions in the hinterland of the Taklimakan Desert.
Huoqing Li, Ali Mamtimin, Chenxiang Ju
doaj   +1 more source

Soil phosphorus dynamic, balance and critical P values in long-term fertilization experiment in Taihu Lake region, China

open access: yesJournal of Integrative Agriculture, 2015
Phosphorus (P) is an important macronutrient for plant but can also cause potential environmental risk. In this paper, we studied the long-term fertilizer experiment (started 1980) to assess the soil P dynamic, balance, critical P value and the crop ...
Lin-lin SHI   +6 more
doaj   +1 more source

Alcohol and Self-Control: A Field Experiment in India.

open access: yesThe American Economic Review, 2019
This paper studies alcohol consumption among low-income workers in India. In a 3-week field experiment, the majority of 229 cycle-rickshaw drivers were willing to forgo substantial monetary payments in order to set incentives for themselves to remain ...
Frank Schilbach
semanticscholar   +1 more source

Spatiotemporal variations of atmospheric black carbon concentration and its correlation with meteorological and environmental factors in Xinjiang, China, from 2010 to 2022 [PDF]

open access: yesPeerJ
Black carbon (BC) is a pollutant produced by the combustion of fossil fuels and biomass fuels, which has a huge impact on regional climate, atmospheric environment, and human health.
Xiang Xie   +5 more
doaj   +2 more sources

Friendships and Favouritism on the Schoolground - A Framed Field Experiment [PDF]

open access: yes, 2011
We present experimental evidence on favouritism practices. Children compete in teams in a tournament. After the first round of a real effort task, children indicate which group member they would prefer to do the task in the second round, for the benefit ...
Belot, Michele, van de Ven, Jeroen
core   +1 more source

The Impact of Management Practices on Employee Productivity: A Field Experiment with Airline Captains

open access: yesJournal of Political Economy, 2019
Increasing evidence indicates the importance of management in determining firms' productivity. Yet causal evidence regarding the effectiveness of management practices is scarce, especially for skilled labor in the developed world.
Greer Gosnell, J. List, R. Metcalfe
semanticscholar   +1 more source

Impacts of Winter and Summer COVID-19 Lockdowns on Urban Air Quality in Urumqi, Northwest China

open access: yesFrontiers in Environmental Science, 2022
After the COVID-19 pandemic began in 2020, Urumqi, a remote area in northwest China, experienced two lockdowns, in January and July 2020. Based on ground and satellite observations, this study assessed the impacts of these lockdowns on the air quality in
Ali Mamtimin   +25 more
doaj   +1 more source

Effects of Relative Light Intensity on the Growth, Yield and Curcumin Content of Turmeric (Curcuma longa L.) in Okinawa, Japan

open access: yesPlant Production Science, 2009
The effects of relative light intensity (RLI) on the growth, yield and curcumin content of turmeric (Curcuma longa L.) were examined in Okinawa, Japan. The plants were shaded with white nets with different mesh sizes for maintaining respective RLI.
Mohammad Amzad Hossain   +5 more
doaj   +1 more source

Nitrogen Fertilization and Harvest Timing Affect Switchgrass Quality

open access: yesResources, 2020
Early season switchgrass (Panicum virgatum L.) can be used as animal feed and mature late-season biomass as a biofuel feedstock. However, nitrogen (N) application and harvest timing effects on the quality of both end-use need further evaluation.
Joshua Massey   +2 more
doaj   +1 more source

Contract farming and rural transformation: Evidence from a field experiment in Benin☆

open access: yesJournal of Development Economics, 2019
Contract farming has emerged as a popular mechanism to encourage vertical coordination in developing country agriculture. Yet, there is a lack of consensus on its ability to spur structural transformation in rural economies.
A. Arouna, J. Michler, J. Lokossou
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy