What soil warms up fastest in the spring?
Clay - cools off the slowest as well
you have a field with a shallow plow plan, what should be done
... [Show More] immediately?
Use a chisel plow set lower than the plow pan, broadcast seeds to reduce tillage, cover crop the area.
Compacted massive soil occurs how?
Watering dry sandy soil, running heavy equipment on wet clay soil.
Soil structure refers to what?
Ways in which aggregates or clusters are arranged, amount of soil & clay, soil horizons
What formula has twice as much phosphoric acid as potash?
(12-8-4, 4-12-8, 8, 4, 12) (N-P-K)12)(N=nitrogen (8) P=phosphorus, and (4)K=Potassium)
Why would you bleach a vase of flowers?
Kills bacteria
Forcing relates to what?
Causes flower to grow @ a certain time
What is a characteristic of a monocot?
Have parallel leaf veins fibrous roots & have one seed leaf that two
What should I plant in a new housing development
Fast growing leaves & trees
How will tender perennials survive multiple seasons in California?
If they were not subject to frost
Micro fauna (ex: protozoa) do what for the plant?
Cycle nutrients in soil for ecosystems, & can digest organic/inorganic substances.
When conducting a soil test what should be done?
Take samples from different areas of the land & combine them, put all samples in a glass jar.
Nitrates vs. ammonia for effects on plants & their immediate usefulness?
Nitrates are more readily available to plants than ammonia. Nitrogen = green, N deficiency + yellowing on the leaves.
When is whip grafting important?
Cambiums must meet
Use of heirloom tomato varieties?
Fresh market varieties, they will be economically, ketchup is roman tomatoes, historical value & recreates new varieties, new varieties are unstable & need these & need these to cross back with.
What is the biggest inhibition of adoption of GIS in agriculture? (GIS = Geographic Information System)
Costly computer application & training, satellites are for military use only, satellites don't get all of the planted area, satellites only cross the area once a year.
What can you use as an alternate to a pin holder in an arrangement?
Floral tape
floral clay
floral foam
floral wire
A thatcher is used for what?
Clear dead grass from the soil
A highly cutinized plant with sunken stoma would be found where?
Desert
Rainforest
Cactus
Pinching lateral buds does what for the plant?
Increases gibberellins (root growth) in the roots; increase ethylene (inhibits cell elongation, increases growth) auxin release & apical meristem & allows for many smaller flowers to produce
What is the most important thing for a designer to consider when creating an arrangement?
Flowers all the same shape & size.
Flowers that are 1-1.5 - 2 times the height of the vase
Flowers smaller at the top & larger at the bottom of the arrangement
Vase that matches the primary color of the flowers
What should be considered before adding nitrogen to turf grass?
Time of year
How tall can a centerpiece be?
18 inches
Why would a florist use gibberellic acid?
Growth for plants in floral & can enlarge the head or enhance the roots
Florist is drilling with a drill press what safety precautions should the florist take?
Placement around the drill press
What is the function of the rotary tiller?
Rotate the soil before planting seeds or after to kill weeds
What is the incomplete dominance?
Occurs when the phenotype of the heterozygous genotype is distinct form & often intermediate to the phenotypes (red crossed w/white flowers = pink)
What would you cross to get the highest number of pink flowers?
White with a red flower
What is the purpose of a cold frame greenhouse?
Hold seeds & for sprouting seeds
PGR
Plant Growth Regulators
Incorporating organic matter into a sandy loan soil would likely have which of the following effects?
The ability of the soil to retain irrigation water or rainwater would be increased.
Red coloration of a soil indicates that the soil is most likely to be:
High in iron
Which of the following is one advantage of using an organic fertilizer such as dried sheep manure rather than an inorganic fertilizer such as ammonium nitrate?
Nutrients in organic fertilizers are released slowly and are less likely to damage roots than nutrients in inorganic fertilizers.
In California, the total value of which of the following vegetable crops is greatest?
Lettuce [Show Less]