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“It’s early”、Er Shui Rush，Three waters and four waters are closely connected，Water until the wheat is sickened。"This farmer's proverb vividly illustrates the important role of more watering in traditional planting methods for high wheat yield。Today，In Miyun County, Beijing，Wheat no longer “drinks water”，But it can still achieve a considerable output。

Beijing’s wheat “consciousness” is high，Because Beijing is too short of water，They are not willing to "drink water"！Beijing is a large city with severe resource water shortage，Insufficient water resources per capita   300cubic meters , only accounts for the whole country1/8, of the world1/32。In recent years，With the development of cities and the decrease of precipitation，The situation of water shortage is becoming more and more serious，has become the primary factor affecting the development of Beijing’s agriculture and even the entire economic and social society。 

Under normal cultivation conditions, wheat needs watering3—4times, average irrigation water per mu 50cubic meters , irrigation water per mu during the entire growth period of wheat150— 200cubic meters 。To ensure urban domestic water use，Beijing can only choose to reduce agricultural water use，Winter wheat planting area reduced to100About ten thousand acres.

Reduce it further，If Beijing doesn’t grow wheat，will have a greater impact on the country。Leadership of Beijing Agricultural College and The professors see it and are worried about it. from2004Since 2010, Department of Plant Science, Beijing Agricultural College Pan Jinbao Professor leads the research group，Innovation and exploration of irrigation-free dry farming technology began in Miyun County。

The research team first started with varieties，Selected the drought-resistant variety "Beinong67”.2004—2005is a year with normal precipitation. "Beinong67”Planting3mu, outstanding performance, yield per mu 288kg 。2005—2006is a severe drought year. "Beinong67”Test area30mu, average yield per mu 153kg , showing strong drought resistance.2006—2007is a severe drought year. "Beinong67”Test area350mu, average yield per mu 174kg , maximum yield 275kg 。2007—2008Year, "Beinong67” sown area3000acres, currently growing well.

Secondly，Research team explores soil fertility technology、Winter wheat deep cultivation technology、Winter wheat sowing technology、Winter wheat, winter and spring columbine、Wheat bet365 online sports bettingpressing technology、Foliar fertilization technology during winter wheat filling period、Ten supporting technologies such as comprehensive control of diseases, pests and weeds。Let the wheat that does not drink water not lose its yield，Ensure a certain output。

This year, this technology has been applied in suburbs210,000 acres。The actual effect shows，Adopt irrigation-free dry farming technology，Can effectively prevent wind erosion of farmland soil，Reducing the hazards of sand and dust on exposed farmland in winter and spring，Fix carbon and release oxygen、Purify the air，Improving the atmospheric ecological environment in urban and rural areas of the capital。Under normal climate conditions，No less effective than conventional planting。Therefore, it is recognized and welcomed by local farmers and government。

Experts estimate that if Beijing’s100Ten thousand acres of wheat use this technology，Can save at least irrigation water every year1. 5     billion cubic meters   ，For reducing agricultural water use，It is of great significance to alleviate Beijing’s water shortage。

"People's Daily" ( 2008-04-10 No.14version)