Abstract:

Abstract:Wheat production in Henan province of Henan province occupies an extremely important position,however, causes a lot of wheat after rice harvesting production in the south of Henan province is low and unstable, to that end,the author analyzed the rice crop in wheat growing areas of Henan province light, heat,water,soil,etc.ecological conditions and characteristics,to identify wheat growth and development of natural barriers,and the corresponding main direction of attack and countermeasures.Major natural constraints are: Waterlogging, soil barren soil heavy stick, forcing the latter cooked in hot and humid,small temperature difference between day and night. Main direction of attack and counter-measures: (1) pre-harvest moisture from dry ditch. (2) no-tillage planting method. (3) deep trench,the "four channel" complementary. (4) ground clearance groove. (5) making fertilizer,was a reasonable crop rotation, straw to field, the development of green manure,with application of NPK, fertility. (6)deep secret agents. (7) training and selection of precocious, humidity,disease resistance,speed and strength grouting, high and stable yield, adaptation of the ecological conditions of the transition of the wheat varieties. (8) The proper period of early seeding.