biological products in agriculture Flashcards

1
Q

what are biologicals

A

products that contain microorganisms or biochemicals of microbial origin that can be added to crops to enhance plant growth

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2
Q

how are biological products different than organic fertilizers

A

organic fertilizers are derived from animal, human or plant matter and biologicals are from things like rhizobia or nod factors for N fixation

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3
Q

what is an inoculant

A

amendments that contain single or multiple species of microorganisms added to soil or plant seed for the improvement of plant growth

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4
Q

what is rhizobia inoculant

A

rhizobium is a kind of bacteria that form symbiotic relationships with legumes to enhance biological N fixation

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5
Q

what happens if you use the wrong kind of rhizobia for the plant

A

the inoculant will have no beneficial effect

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6
Q

what are two fungal inoculants and their functions

A

arbuscular mycorrhizal fungi- hyphal network enhances P, micronutrients, and water uptake

penicillium bilaiae- enhances Phosphorous uptake

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7
Q

how does penicillium bilaiae enhance P uptake

A

it solubilizes phosphate minerals throughout the production of organic acids to release P in a form plant roots can uptake

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8
Q

why aren’t more biological available

A

because commercializing a microbial product is challenging and expensive. it can take 10-15 years from the first discovery to reach a product

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