Zobrazeno 1 - 10
of 19
pro vyhledávání: '"D. L. Nofziger"'
Publikováno v:
Soil Science Society of America Journal. 67:1-11
Autor:
Jinquan Wu, D. L. Nofziger
Publikováno v:
Journal of Environmental Quality. 28:92-100
The impact of agrochemicals on groundwater quality has been the subject of considerable research and public debate. Mathematical models often are used to predict the fate of these chemicals and to develop regulations. In this research, we modified th
Autor:
D. L. Nofziger, J. F. Stone
Publikováno v:
Soil Science. 160:155-163
Calibration of neutron probes by transfer in laboratory media offers an accurate and fast method for probes of the same design. This paper develops a successful technique for such calibration, along with the materials needed, that can be duplicated r
Publikováno v:
Journal of Environmental Quality. 23:349-354
A chemical transport model, CMLS, and a weather simulation models, WGEN, were coupled to investigate the impact of possible and equally likely weather sequences on the travel time and relative amount of various chemicals penetrating given depths into
NPK$PLUS: A Computer Program to Examine Agronomic and Economic Value of Alternative Fertilizer Rates
Autor:
D. L. Nofziger, G. V. Johnson
Publikováno v:
Journal of Production Agriculture. 5:415-420
Publikováno v:
Applied Engineering in Agriculture. 6:453-458
The integration of geographic information systems (GIS) with distributed parameter hydrologic models is playing an increasing role in designing, calibrating, modifying, and comparing these models. Successful application of GIS technology in hydrologi
Publikováno v:
Soil Science Society of America Journal. 67:1
Ammonia volatilization is an important issue in agricultural production and environmental protection. Experimental methods and numerical models exist to estimate the rate and amount of ammonia volatilization from commercial fertilizers and animal man
Publikováno v:
Soil Science Society of America Journal. 38:17-23
Autor:
D. L. Nofziger
Publikováno v:
Journal of Agronomic Education. 9:25-28
Publikováno v:
Weed Science. 33:29-33
The sensitivities of chlorophyll fluorescence and fresh weight as bioassay techniques for the determination of metribuzin [4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5 (4H)-one], diuron [3-(3,4-dichlorophenyl)-1,1-dimethylurea], and atrazine [2-c