Take the Dali Bai Minority Autonomous Prefecture in Yunnan as an example,the influential factors on the flue-cured tobacco planting distribution were analyzed by using the principal components regression.

Present situations and prospects of Panax notoginseng planting in Jingxi county,Guangxi;

The Optimal Model on Disposal of Resources for Planting in Gansu;

Current situation and countermeasures of Chinese medicinal materials planting in Hebei province

Marginal revenues of resources and goal programming of planting industry structure;

Studies on analyzing the comparative advantage of planting industry in Shenyang city;

Starting with the quantity of nitrogen and phosphorous applied in farm fields and combing with the basic theory of nutritional matter movement in soil,this paper summarizes the source of nutritional salt and ratio in water of Tai Lake region reported by former reporters;expounds the quantity and ratio contributed by agriculture plantation to water rich alimentation.