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:
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.
tutorsglobe.com leaf tendrils assignment help-homework help by online leaf modification tutors
tutorsglobe.com enzymes assignment help-homework help by online energy and enzymes tutors
Organization of mesozoa-parazoa-metazoa tutorial all along with the key concepts of General features of Mesozoa, categorization of Mesozoa, General features of Parazoa, features of Metazoa, Rhombozoans and Orthonectida
tutorsglobe.com trypanosoma brucei gambiense assignment help-homework help by online trypanosomes tutors
tutorsglobe.com prevention of hiv assignment help-homework help by online emerging viral infections in humans tutors
Storing of Materials - Through the purchase department, the material purchased is sent to stores before it is issued for production. So storing of material can be termed as an intermediate step in the material control.
Theory and lecture notes of Session management all along with the key concepts of session management, data communication, Device independence, Abstraction. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Session management.
www.tutorsglobe.com offers Effective Modular Design homework help, assignment help, case study, writing homework help, online tutoring assistance by computer science tutors.
tutorsglobe.com propagation by modified subaerial stem assignment help-homework help by online natural methods of vegetative propagation tutors
Take a quick look at top-rated Educational Psychology Assignment Help foe availing hassle free services round the clock.
tutorsglobe.com structure of sarcomere assignment help-homework help by online muscles tutors
theory and lecture notes of concept of bipolar transistor inverter all along with the key concepts of modes of operation of a bjt inverter, voltage transfer characteristics, forward active and saturation. tutorsglobe offers homework help, assignment help and tutor’s assistance on concept of bipolar transistor inverter.
Critical solution temperature-Molar Volume of a Gas tutorial all along with the key concepts of Composition-temperature diagrams, Procedure, Description measuring the molar volume, Experiment summary, Data and Calculations
tutorsglobe.com some early views of heredity assignment help-homework help by online heredity tutors
tutorsglobe.com change of electron affinity along a period assignment help-homework help by online electron affinity tutors
1953801
Questions Asked
3689
Tutors
1484077
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!