Climate Change Features of Precipitation and Production Countermeasures: In Critical Period of Spring Ploughing and Spring Sowing in East Gansu
姜惠峰,王智丽,王位泰,张天峰,蒲金涌,车向军
Chinese Agricultural Science Bulletin . 2017, (10): 113 -117 .  DOI: 10.11924/j.issn.1000-6850.casb16050113