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  • A study on moisture conditions for winter wheat and summer maize production in the Heilonggang area of Hebei Province
  • Agricultural climatology;Agroclimatology ; China ; Drought ; Irrigation ; Maize;Corn ; Precipitation ; Soil moisture ; Water resources ; Wheat
  • Winter wheat and summer maize are two important crops in the Heilonggang area which is the driest part of the North China Plain. The thermal-light conditions are satisfactory for double cropping of winter wheat-summer maize, but rainfall
  • is deficient for two crops. Wheat production in this area should be restricted to a scale which is suitable to water resources conditions, while maize production can be further developed.
  • 1993
  • Cointegration between U.S. wheat markets
  • Autoregressive process ; Forecast ; Harbour ; Kansas ; Market ; Price fixing ; Statistics ; Storage site ; Texas ; Time series ; Transport cost ; United States ; Wheat
  • 1993
  • Authoritative vignettes on the origin and spread of more than 70 plants that includes many of those common (e.g. wheat, rice, maize, coconut, date palm, apples, etc.) as well as those of lesser importance (e.g. macadamia nut, barbasco, quinoa
  • 1993
  • moisture was used in regression-based models to predict yields for the four major grain crops: wheat, corn, soybeans, and grain sorghum.
  • 1993
  • Agricultural Common Market ; Agricultural policy ; Cereal ; Common agricultural policy ; Cultivated land;Cultivated surface ; Economic reform ; Europe ; European Community ; Market ; Model ; Price fixing ; Simulation ; Wheat
  • 1993