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1 This reduction was generally coincidental with reduced nodulation .

2 Field germination, nodulation status and growth parameters were varied significantly in the soil amended with sludges in comparison to control.

3 The biological effect of protectively applied nitrogen on nodulation N-fixing activity, nitrogen forms in Xyloid liquid, and amount of assimilated nitrogen in soybean were studied.

4 The issue whether starter N will increase nodulation and BNF is, however, complicated by several factors.

5 Nodulation gene expression and regulation of Rhizobium is a very complicated subject. In this paper, we would give a brief introduction the research advances on this area.

6 Nodulation experiments showed that both soybean and alfalfa were nodulated by XJ96077 effectively.

7 Nodulation factors are induced when nodulation genes of Rhizobium are expressed.

8 These data demonstrate that magnitude of nodulation response to N may differ between species but despite these differences, legumes will reduce BNF when N availability increases.

9 Nodulation genes and genes essential for nodulation competitiveness of Rhizobium play a very important role in the Rhizobium and plant symbiotic nodulation.

10 We also discussed the modes of hemocyte-mediated phagocytosis and the morphological change of hemocytes during the progress of nodulation and encapsulation.

11 Any management strategy that increases yield potential of the legume will increase BNF provided sufficient rhizobia are available for adequate nodulation .

12 The results showed that ACCC16101 had obvious comparative advantages in crop growth, breeding traits, nodulation status,[www.Sentencedict.com] nitrogen fixation and grain yields.

13 Only when availability of N was increased through effective nodulation and BNF was there a response to applied P.

14 Nodulation genes expression and regulation of Rhizobium play a very important role in the Rhizobium and plant symbiotic nodulation.

15 Nod factors are a novel general class of signal molecules produced by rhizobia, which play a key function in the initial steps of nodulation.

16 Although relative response to N by legume species may differ, N fertilization will reduce nodulation and BNF by legumes.

17 The axenic solution culture and pot experiments in calcareous soils were carried out to study the effect of Fe on nodulation, nitrogenase activity and the nitrogen fixation of Rhizobium-Peanut.

18 The purplish soils with the different properties and fertility had obvious influence on nodulation and nitrogen fixation of the alder.

19 Plant pot experiments were carried out for the recipient strains and their transconjugants to compare their nodulation ability and symbiotic nitrogen fixation efficiency.

20 A study was conducted to test the influence of different inorganic fertilizers on the nodulation and growth of Dalbergia sissoo grown in the nursery.

21 This paper would explore the mutagenesis of Rhizobium mutants resistant to kasugamycin, and analyse the nodulation and fixation nitrogen character of the mutants.

22 But the application of inoculant in field was blocked as the problem of nodulation competitiveness between inoculant strains and indigenous strains was not been solved completely.