1) N-fixation efficiency
固氮效率
1.
Then,correlation analysis was carried out between growth quantity and N-fixation efficiency.
以海滨木槿为对照,测定其年相对高生长量、年相对径生长量、固氮效率,并对生长量与固氮效率的相关性进行分析。
4) Nitrogen frxing efficiency
固氮率
5) Nitrogen efficiency
氮效率
1.
Effects of plastic film mulching models and nitrogen fertilizer on wheat yield and nitrogen efficiency;
半干旱农田生态系统地膜覆盖模式和施氮对小麦产量和氮效率的效应
2.
)varieties and their physiological properties were studied using a pot experiment and the ratio of seed yield with stressed nitrogen to that with normal N supply was adopted as nitrogen efficiency coefficient.
采用盆栽试验,以氮胁迫与正常供氮条件下籽粒产量的比值作为氮效率系数,探讨了不同品种油菜氮效率差异及其生理基础。
3.
The difference in nitrogen efficiency among 48 cotton varieties was studied in pot experiment by analyzing the plant height,dry matter weight and N content at seeding stage.
通过砂培盆栽试验,分析棉株的株高、干物重以及全氮含量,研究了48个棉花品种苗期氮效率的差异性。
6) nitrogen use efficiency
氮效率
1.
Differences in nitrogen use efficiency among different rape varieties and their physiological basis;
不同品种油菜氮效率差异及其生理基础研究
2.
Genotypic variation in nitrogen use efficiency in summer maize;
夏玉米氮效率基因型差异研究
3.
Studies on the physiological parameters related to nitrogen use efficiency in wheat cultivars with different nitrogen utilization
不同氮素利用效率小麦品种的氮效率相关生理参数研究
补充资料：固氮
固氮
NitrFixation
NitrFixation氮画固李道纯华东化工学院(1.)洪国藩中国科学院上海生物化学研究所(2.)倪福弟中国科学院上海生物化学研究所(2.)林国栋厦门大学化学系(3.)张鸿斌厦门、大学化学系(3.)1.2.2 1.2 .2.2.2.12 .2.2.2 .2.3.2 .2.4.2.2.5.2 .3.2 .3.1.2 .3.2.概述··········································……113生物固氮····································……11魂历史沿革···，································……114固氮酶·······································……l州分子结构····································……114理化特性··…‘······························……1巧酶促反应·‘······························，···……1巧分离纯化及活性测定·····················……115活性中心模型······················，····，··……l是6自生固氮作用·····················，，·······……]16肺炎克氏固氮杆菌························……116Kp的固氮遗传···························……1172.4.共生固氮作用······························……1182.4.1.根瘤菌与豆科植物共生固氮体系····……1182.4.2.根瘤菌的分子遗传························……1182.4.3.根瘤菌的固氮基因························……1182.4.4.根瘤菌的结瘤基因························……1192，4.5.宿主植物在共生固氮中的作用··········“”·1203.化学固氮“·····，····“························一12031.过渡金属双氮配位化合物···············……1203.2.经由氮化物的固氮作用··················……1223.3.水溶液中的固氮体系····················……1233.4.电化学或光化学方法固氮········，······……123参考文献······································，·········……1241.概述 氮是蛋白质
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