Assignment Help - homework help

  Azolla

Azolla:

Azolla is a genus of small aquatic fern which is native to Asia, Africa and America. Azolla species live in ponds, lakes, swamps and streams and small bodies of water. Azolla is principally employed as nitrogenous fertilizer in rice fields, especially in China and Vietnam.  They explain Azolla as a miniature of nitrogen fertilizer plant. Azolla is free floating aquatic fern that has symbiosis with Anabaena azollae, nitrogen fixing cyan bacterium, and that, by virtue of this property is appropriate for use as a green manure.  Azolla comprise of sporophyte with floating rhizome and small over lapping bilobed leaves and roots. The symbiotic relationship among the eucaryotic water fern and its procaryotic cyanobacterial symbiont Anabaena azollae has acknowledged much attention, since of its ability to fix atmospheric nitrogen and contribute significant quantity of nitrogen to rice crop. Azolla generates 20-25 tones of fresh biomass per hectare in a short period of 3 to 4 weeks. It is grown as mono-cropping and intercropping in rice field. Azolla could add 40-50 kg of N/ha per rice crop. The utilization of chemical nitrogenous fertilizer can be minimized by the use of proficient and potential nitrogen fixing Azolla. The Azolla genus belongs to the group Filicopsida, order-Salvinales, Family-Azollaceae. There are eight species found all through the world. They are:

  • Azolla pinnata var. pinnata,
  • A. pinnata var. imbricata,
  • A.microphylla,
  • A.caroliniana,
  • A.filiculoides,
  • A.mexicana,
  • A.rubra,
  • A.nilotica. 


Among the eight species A.pinnata var. imbricata and A.microphylla are broadly distributed.

 

Latest technology based Biology Online Tutoring Assistance

Tutors, at the www.tutorsglobe.com, take pledge to provide full satisfaction and assurance in Food Microbiology help via online tutoring. Students are getting 100% satisfaction by online tutors across the globe. Here you can get homework help for Food Microbiology, project ideas and tutorials. We provide email based Food Microbiology help. You can join us to ask queries 24x7 with live, experienced and qualified online tutors specialized in Food Microbiology. Through Online Tutoring, you would be able to complete your homework or assignments at your home. Tutors at the TutorsGlobe are committed to provide the best quality online tutoring assistance for Microbiology Homework help and assignment help services. They use their experience, as they have solved thousands of the Biology assignments, which may help you to solve your complex issues of Food Microbiology. TutorsGlobe assure for the best quality compliance to your homework. Compromise with quality is not in our dictionary. If we feel that we are not able to provide the homework help as per the deadline or given instruction by the student, we refund the money of the student without any delay.
Home | Company Overview | Services | Discover Q&A | Sitemap | Contact Us | T & C | Refund Policy | Copyright Policy | Blog | Q&A | Directory

©TutorsGlobe All rights reserved 2022-2023.