On Development Trend Of Cropping System Under New Situation Based On Sample Analysis Of Xin Yang City He'nan Province .PRC

The papers uses comprehensive integrated and economics' analytic researching methods, chooses the agricultural development and policy in new stage with the situation as research items, makes our future fanning systems trends integrating the throughout the specific practice of the reform and development of farming systems in recent years.1. The new situation of agricultural development influences fanning systems.(1)The basic tasks of the reform of the farming system is to comprehensively build a well-off society, and increase agricultural output and the income of farmers ; (2)Ensure national food security, and continually enhance the food production per unit area yield, quality and efficiency;(3)After China's accession to the WTO, the introduction of the principles of comparative advantage fanning systems become more market-oriented role; (4)Main agricultural total output is basic balance while emerges regional and structural relative surplus ,which requires accelerating structural optimization and upgrading in agricultural production and farming systems;(5) The implementation of sustainable development in agriculture will face many serious constraints, It has become a strategic choice for sustainable development of agriculture to develop the ecological agriculture, three high-agriculture, cycling and high-tech agriculture, precision agriculture.(6) New situation of agricultural development brings negative and positive effects on cultivation system, and adds new opportunities and challenges to the reform of cultivation system of Xinyang City.2. The reform and development of farming systems throughout the country in recent years.(1)Agricultural production depends on the structural adjustment of the market trends , efficiency , purpose of continuing increasing income of the farmers;(2)Main crops centralized in the advantageous producing areas; Characteristic and obvious advantage crop and industrial belts have come into being, the layout of crops develops into the regional, professional trends;(3)Fluctuation growing in the number of growth, high-yield and efficient ways are the trends of the replant methods;(4)The innovation between contents and forms of mixed planting constantly occurs, high productivity and efficient multimodal planting emerges constantly;(5) Repeatedly-tillaged crops and areas will be extended, but water- and dry- land shifting-cultivated crops cannot be substituted.(6)Soil cultivation appears diversity, but there appears an orientation of multi-tillage and multi-cultivation instead of less-tillage and less-cultivation.(7)The soil structure is formed with the non-organic composition dominating its main parts and the organic ones being only the subsidiary.(8)Soil management develops to an orientation of economic agriculture and water-saving irritation.(9),The prevention and cure of the injurious insects and grass develops towards non-harmful prevention techniques of high efficiency, low toxicity, and low-residual, and of green-food production.(10)Both the level of agricultural...