What is primary plant growth and secondary plantgrowth

Reference no: EM13532351

1. What is primary plant growth?. what is secondary plantgrowth?
2. What forms topsoil and what are its components
3. How do plant growth-promoting rhizobacteria enhance plantgrowth
4. What are mycorrhizae? what is their function? describe the twomain types

Reference no: EM13532351

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What is primary plant growth and secondary plantgrowth : What is primary plant growth?. what is secondary plantgrowth? What forms topsoil and what are its components. How do plant growth-promoting rhizobacteria enhance plantgrowth

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