The paper introduces the method of azotobacter fertilizer by biological process and test method of bacteria.本文介绍了生物法制固氮菌肥的方法,以及菌种的检验方法.Bacterial ferritin from Azotobacter vinelandii has qualitative characteristic absorpt...
They have proved themselves to be fine sons and daughters of the Chinese people.他们不愧为中国人民的好儿女.The more daughters you get , the wider is the selection for Inc.多收几个, 有挑选些.The two young daughters sat on the bedroom couch wa...
With fecund and loose with the arenaceous qualitative soil with good drainage had better.以肥沃疏松和排水良好的砂质土壤为好.fecund mind创造力旺盛的头脑Large animals are less fecund than small ones.大动物没有小动物繁殖能力强。The pampas are still among the mos...