Mrs. Renz's 4th Grade Class  Redmond, Oregon

 

Our "Fertilizing Frenzy" Chart

Planting the Seeds for our Experiment

Planting seeds carefully.

Radish & lentil planted in sand

Planting in potting soil.

Radish & sunflower seeds in potting soil.

Planting seeds.

Watering just the right amount.

Plants after two weeks of growing and before fertilizing

Bat Group:  These plants will be fertilized 

with water only

Jaguar Group:  These plants will be fertilized 

with water only

Leaf Cutter Ant Group:  These plants will be fertilized with frass water.

Agouti Group:  These plants will be fertilized 

with frass water.

Toucan Group:  These plants will be fertilized with frass mixed with cricket body parts

Tree Frog Group:  These plants will be fertilized with frass mixed with cricket body parts

Howler Monkey Group:  These plants will be fertilized with frass mixed with cricket body parts

Our Crickets 

Crickets in their food lid inside our terrarium

 

 

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Click to see a larger picture 

of a sunflower head with our 

crickets climbing all over it 

inside the terrarium.

Preparing the Frass Solution

Dead crickets      (Note the frass has 

fallen to the bottom of the jar.)

Sifting to sort the crickets from the frass

Separating frass from cricket bodies

Sorting crickets and frass then ginding 

frass in the mortar and pestle 

Grinding the frass into a powder

Dead crickets (left) and cricket frass (right)

"Frazzlologists" hard at work.

They even gave up recess to do this job!

Look at the powdered frass in the mortar.

 

The powdered frass is finally ready.  We added 2 teaspoons of the frass

to a 2-liter pop bottle of water and mixed it to make our fertilizer solution.