引用本文: | 郑凯, 孙凯燕, 邱喜发, 沈益新. 施用NH4+与NO3-对春季紫花苜蓿饲草产量和品质的影响[J]. 草业科学, 2013, 7(11): 1778-1781. |
Citation: | Kai ZHENG, Kai-yan SUN, Xi-fa QIU, Yi-xin SHEN. Effects of NH4+ and NO3- fertilizing on forage yield and quality of alfalfa in spring[J]. Pratacultural Science, 2013, 7(11): 1778-1781. |