Question

1. Name the following:
a) A biopesticide.
b) Two nutrients enriched into the soil by green manure.

Answer 1

(a) Animals,plants,bacteria

(b) Nitrogen,phosphorus,potassium

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Answer 2

Answer:

@The most commonly used biopesticides are living organisms, which are pathogenic for the pest of interest. These include biofungicides (Trichoderma), bioherbicides (Phytopthora) and bioinsecticides (Bacillus thuringiensis). There are few plant products also which can now be used as a major biopesticide source.

b)Adding organic matter to the soil releases important plant nutrients, such as nitrogen, potassium, and phosphorous, in addition to trace minerals that come from the decomposing organic matter after you dig the crop into the soil. All of these nutrients help to increase crop yields