Recent advances and trends in the research of phosphorus chemistry including asymmetric chemistry, coordination chemistry of phosphorus, biophosphorus chemistry, medicinal chemistry, agricultural chemistry are briefly reviewed in this article according to a presentation at the 15th International Conference on Phosphorus Chemistry in Sendai, Japan.

The paper also stresses four problems in doing agricultural geological work in terms of the relation between agricultural chemistry and geochemistry.

An awkward situation of new poetry is resulted from aesthetic deposit of classic poetry,nostalgic mentality of agricultural culture and underdevelopment of commerce and industry,therefore,the so-called modern poetry is old-fashioned rather than modern to a certain extent.

The agricultural culture is the base of the whole Chinese culture.

This paper summarized the difference between physical farming and chemical farming,and carried out a test about seed magnetization.

Study on characteristics of chemical component and agrochemistry behavior of slog containing silicon;

Husbandry on the model of farming: a case study of a disert husbandry community;