基金Supported by Xinjiang Science and Technology Supporting Project"Research on Integration and Modeling of High-quality Forage Comprehensive Water-saving Techniques in Altay Prefecture"(No.201531115)China Institute of Water Resources and Hydropower Research Special President Funding Project"Research on Integration Model of Water-Saving and High-Yield Techniques for Irrigated Forage Grass Fields in North Xinjiang"(No.MK2014J03)