Through analysis on the nutritional compositions and the plant nutritive character of bean, and considering synthetically the results of the experiments of bean fertilized in recent years, we proposed the technological scheme of balanced fertilization of Non-polluted bean in protected cuhivation.

One of the most important indexes for non-environmental pollution vegetable is the content of nitrate and nitrite should lower than a limit.

Using the empirical method,according to the survey datum of 181 producer of non-environmental pollution vegetable in nanjing,the authors study the using pesticide behavior of the producers.

This thesis discusses PFSFV and the concept of non-environmental pollution vegetable, and analyses the cause of Tianjin PFSFV and put forward some countermeasures basing on the investigating for vegetable production.

Basing upon the environment standards for pollution-free vegetable producing areas and the environment standards for green vegetable producing areas,this paper studies the soil environment quality of the 14 important vegetable producing bases in the city of Qinhuangdao,following the single-index and multiindex models.

Now, the plan of the pollution-free agricultural products extension has been advanced in China, naturally, the pollution-free vegetables, as th.

The waste drainage resulted from the development of the city and county industry, and the input of pesticide and fertilizer and farming plastic make the vegetable more poisonous, So the research of the pollution-free vegetable industry plan is very important for the resident health and the environment protection and the agricultural sustainable development.

Effects of organic-inorganic compound fertilizer applied to non-pollution vegetables in sunlight greenhouse;

According to Maozhuang village Mangshang zone Zhengzhou city "non-pollution vegetable planting base" monitor result monitored by Zhengzhou city environmental protection monitoring center station, the article analyze environmental quality condition of the base Briefly,simultaneously,raise suggestion and corresponding measures.

This paper introduces the construction situation of Xiyang County's Green Vegetable Base and main productive technical points of green vegetable in cold mountain areas, puts forward some other requirements of the productive techniques of green non-pollution vegetable, and points out that the monitoring and controlling of each link should be strengthened.

1-2001《Safe quantities in the agricultural product environment requests of the non-polluted vegetables》.

This paper expounds the harm analysis(HA) during non-polluted vegetable production process,confirms the crucial controlling point(CCP) for quality and safety,and puts forward CCP s critical value and monitoring measures.

The non-polluted vegetable is an inevitable trend of vegetable production.