Agronomic Crops Test 2 Practice Questions

What is the product of the Haber-Bosch process?

Ammonia

Which crop is photoperiod sensitive (day length rather than temperature)?

Soybean

T/F Orchardgrass is very tolerant of grazing

False- mainly used for hay production

Define physiological maturity 

I’m done growing 

T/F Pasture is a grasslands composed of native species or introduced species managed as natives

False- this is range

What is the number one goal in hay production

Lose moisture as quickly as possible 

A producer wants to double crop wheat. What crop is usually double cropped with wheat in Virginia?

Soybean 

What are some benefits of growing native warm season grasses?

Drought tolerant, low fertilizer needs, productive in the sun, C4 (don’t photorespirate)

What are seed inoculants?

Products that are applied to protect against rhizome bacteria 

You inspect a soybean nodule and it looks green/white inside.. what does that tell you?

Inactive nodule

T/F N fertilizer helps rhizobia activity

False- rhizobia activity occurs in low-N settings

Which stored forage is harvested at the highest moisture?

Silage

T/F It doesn’t matter when you plant corn, yield will not be affected

False- it does matter

T/F I can’t store my hay indoors, am I automatically screwed?

False- recommended, but not necessary

This wheat growth scale is usually more complicated than the other

Zadoks