2

Question 0

Two kinds of fertilizer

Answer 0

Chemical or synthetic

Natural organic

Question 1

Materials that supply nutrients to the plants

Answer 1

Fertilizers

Question 2

Most commin nutrients supplied by chemical fertilizers

Answer 2

N, P, K
14-14-14
Complete fertilizer

Question 3

Urea

Answer 3

45-0-0

Single fertlizer

Question 4

Ammophos

Answer 4

16-20-0

Incomplete fertilizer

Question 5

Muriate Potash

Answer 5

0-0-60

Single fertilizer

Question 6

One of the most important constituents of cell

Answer 6

Nitrogen

Question 7

10 stages of the life cycle of a plant

Answer 7

1) seed 6)flowering
2) germination 7)polination
3) seedling 8)fertilization
4) young plant 9)fruiting
5) matured plant 10)seed dispersal

Question 8

considered in soil management

Answer 8

a) cropping system
b) fertilizer program
c) erosion control
d) soil acidity and other chemical properties

Question 9

phosphorus

Answer 9

for sound development of the root system in the formation of starch and hastening of maturity

Question 10

potassium

Answer 10

for the formation and transportation of the starch in the water economy of the plants and their susceptibility to fungal attacks

Question 11

importance of organic fertilizer

Answer 11

1) soil enriched by humus by decomposition of organic matter.
2) soil is loosed and aerated
3) improves soil capacity to retain water and nutrient

Question 12

most common natural organic fertilizer in the philippines

Answer 12

1) chicken manure
2) hog manure
3) guano(bat and seabirds manure)

Question 13

composting

Answer 13

process of allowing organic residues to decompose first before application

Question 14

1)apply at the bottom of the furrow

Answer 14

cover/slightly with soil for direct seeded and ornaments

Question 15

2)apply in the shadow trench

Answer 15

for mature and established horticultural trees

Question 16

3)apply in the pockets

Answer 16

for mature established horticultural trees where roots are concentrated

Question 17

4)spraying

Answer 17

foliar fertilizer mixed with insecticides fungicides

Question 18

plasmolysis

Answer 18

burn or scotch spots made of fertilizers direct contact with the plants

Question 19

green manuring

Answer 19

if the source of organic matter comes from the plants grown at the site where it is needed and then plowed under before planting for decomposition and from the other greens

Question 20

erosion control

Answer 20

• where loss of soil is accelerated
• occurs when man or other agency interferes with the natural equilibrium,which exist between the soil and its environment

Question 21

how to prevent soil erosion

Answer 21

1. continuous production of good crops
2. reduce the direct impact of raindrops
3. less cultivation
4. avoid direct surface run-off water
5. contour planting minimizes erosion

Question 22

cover cropping

Answer 22

practices of growing creeping and bushy plants like citrus,coconut,cacao and rubber ex. colopogonium centrocema

Question 23

terracing

Answer 23

for hilly bench terracing

Question 24

silt pits

Answer 24

canals constructed after every few rows of crops to catch soil washed downhill

Question 25

mulching

Answer 25

practices of covering bare soil around the stem of a growing plant

Question 26

importance of mulching

Answer 26

1. reduces soil erosion
2. lowers soil temperature
3. keeps surface moist during dry season
4. increase soil organic matter

Question 27

disadvantage of mulching

Answer 27

1. may cause fire,if very dry materials are used and no irrigation is done
2. serve as breeding ground for rodents/insects

Question 28

liming

Answer 28

application of lime to bring the soil reaction to neutrality of desired ph

Question 29

water management

Answer 29

integrated process of applying the needed amount of water at the proper time and the removal excess water from a field to increase crop production.too much is bad

Question 30

irrigation problem

Answer 30

when to water and how much water to supply

Question 31

soil factors

Answer 31

soil structure,texture and depth. ability to hold water

Question 32

climatic factors

Answer 32

temperature hours and intensity of sunshine, relative humidity,wind movement and rainfall.Transpiration or evaporation

Question 33

plant factors

Answer 33

rooting characteristics, amount of plant cover,drought resistance

Question 34

rooting characteristics

Answer 34

ability to absorption

Question 35

furrow irrigation

Answer 35

water is applied in furrows

Question 36

sprinkler irrigation

Answer 36

water is applied in the form of spray simulating rain

Question 37

drip irrigation

Answer 37

water is delivered in tickles to the base of each plant trough large tubings, usually plastics attached to smaller tubings

Question 38

drainage

Answer 38

removal of excess water from the soil root zone reservoir during water season -drainage canal