We analyze the connotation and significance of food defense, and introduce the principles and steps of establishment and application of food defense plan. Finally, we prospect the development directions of food defense in China

The existing calculation methods for the number of agricultural surplus labor have a common flaw, that is, they can not reflect the impact of technical efficiency changes in agricultural production on the surplus labor. Based on the basic principle of stochastic frontier production function,...

This article analyses the agricultural production efficiency of all cities and areas in Shaanxi Province in the period 2006-2009 using data envelopment analysis method, and compares the agricultural production efficiency between all cities and areas. The results show that the agricultural...

We analyze the causes of food crisis in developing countries according to the global food crisis at present. Finally, we put forward some relevant policy suggestions for coping with the food crisis.

We use the mean value and variation coefficient model to analyze the spatial-temporal feature of grain production in 31 provinces from the year 1980 to 2006. Time series of grain production is divided into 3 stages according to the average yield and the variation coefficient of grain production...

Honey production and trade in the world are introduced. Total output of honey shows an increasing trend while the output of Chinese honey always ranks the first in the world. China, Argentina, Mexico are the major exporters of honey. In the year 2006, honey exports of China, Argentina and Mexico...

This paper introduces the basic trend of the price of agricultural products in China, and analyzes the causation of rigid rise of agricultural product price. We also study on the fluctuation characteristics of the prices of Chinese and classification agricultural products.

The authors select six indices of resource endowment, supply scale and structure of agricultural products in assessment area of China, and then use Factor Analysis Method and Geographic Information System (GIS) technology to classify the supply capacity of agricultural products in 140 counties...

We introduce the stratified sampling method, and put forward theoretical unbiased estimation of stratified sampling program, as well as the model and statistics of experimental design test. We also discuss the establishment of dietary exposure model, pollutant distribution model, and risk...