Analysis on dilemma and technical demand of the sustainable development of cropping system in Huang-Huai-Hal Plain

Some dilemmas are emerging in Huang-Huai-Hal Plain cropping system such that high yield not always brings high economic efficiency，high output aggravate resources depletion，and agricultural industrialization development will be limited by the shortage of superior quality products．The countermeasures resolving these dilemmas include adjusting and optimizing the cropping system and planting pattern so as to promote and form the leading industry；inputting rationally and saving resources so as to accelerate the incomes of villagers and resource use efficiently；using production technology without social effects of pollution so as to make the best use of resource and decrease circumstance contamination．