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AGRI 32 | LECTURE | EXAM 1 > Environment Evaluation and Selection for Crop Production (Part 2) > Flashcards

Environment Evaluation and Selection for Crop Production (Part 2) Flashcards

1
Q

GOOD LOCATION FOR CROP PRODUCTION

A
  1. access to adequate infrastructure
  2. favorable socio-economic conditions
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2
Q

ACCESS TO INFRASTRUCTURES (LOCATION)

A
  1. farm to market roads
  2. electricity and water resources
  3. port facilities
  4. communication facilities
  5. post-harvest facilities
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3
Q

SOCIO-ECONOMIC CONDITIONS (LOCATION)

A
  1. peace and order
  2. political stability
  3. availability and cost of manpower
  4. government policies
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4
Q

SUITABLE SITE

A
  1. factors that directly affect crop growth
  2. SOIL and CLIMATE
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5
Q

FUNCTIONS OF SOIL

A
  1. medium for plant growth
  2. habitat for soil organisms
  3. water supply
  4. recycling nutrients
  5. engineering medium
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6
Q

SOIL CHARACTERISTICS THAT AFFECT CROP PRODUCTION

A
  1. soil depth
  2. soil texture
  3. soil structure
  4. nutrient/OM content
  5. soil pH
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7
Q

SOIL DEPTH

A
  1. determined by digging a pit
  2. measure of thickness of topsoil from soil surface to hardpan layer
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8
Q

TOPSOIL

A
  1. most fertile layer of soil
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9
Q

SOIL DEPTH FOR PERENNIAL CROPS

A
  1. at least 80cm deep
  2. roots should be able to explore and obtain water and nutrients
  3. essential for typhoon-prone area
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10
Q

SOIL DEPTH FOR ANNUAL CROPS

A
  1. shallower soil
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11
Q

SOIL TEXTURE

A
  1. relative proportion of soil particles (sand, silt, clay)
  2. affects soil characteristics (WHC, CEC, drainage)
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12
Q

SOIL TEXTURE IDEAL FOR MOST CROPS

A

LOAMY SOIL (moderate soil texture)

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13
Q

SOIL STRUCTURE

A
  1. arrangement and clustering of soil particles
  2. determined by kind and amounts of cementing materials
  3. determined by soil management
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14
Q

CLASSIFICATION OF SOIL STRUCTURE

A
  1. granular
  2. blocky
  3. prismatic
  4. columnar
  5. platy
  6. single grained
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15
Q

SOIL STRUCTURE IDEAL FOR CROP PRODUCTION

A
  1. granular and porous for easy root proliferation
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16
Q

REQUIREMENTS FOR DESIRABLE SOIL STRUCTURE

A
  1. contain high organic matter
  2. applied with tillage
17
Q

SOIL PH

A
  1. degree of alkalinity or acidity
18
Q

SOIL PH FOR CROP PRODUCTION

A
  1. affects availability/solubility of nutrients
  2. affects activity of microorganisms
19
Q

IDEAL SOILS FOR CROP PRODUCTION (UPLAND)

A
  1. deep
  2. moderate texture
  3. moderate pH
  4. fertile
  5. high OM
  6. well-drained
20
Q

IDEAL SOILS FOR CROP PRODUCTION (LOWLAND)

A
  1. deep
  2. excellent WHC
  3. fertile
  4. high OM
  5. moderate pH
  6. fine textured
21
Q

COMPONENTS OF CLIMATE

A
  1. temperature
  2. light
  3. rainfall
  4. typhoon
22
Q

TEMPERATURE

A
  1. determines distribution of crop species
23
Q

TEMPERATE CROPS

A
  1. apple
  2. pear
  3. wheat
24
Q

TROPICAL CROPS

A
  1. mango
  2. banana
  3. coconut
25
Q

LIGHT

A
  1. influence seed germination to fruit development
26
Q

PARAMETERS OF LIGHT

A
  1. light intensity
  2. light duration
27
Q

LIGHT INTENSITY

A
  1. varies with season
28
Q

LIGHT DURATION

A
  1. controls flowering, bulb formation and tuber formation
29
Q

DAY-NEUTRAL CROPS

A
  1. crops not sensitive to changes in light duration
30
Q

RAINFALL

A
  1. primary source of water for crop production
  2. basis in classifying climate in Philippines
31
Q

TYPES OF CLIMATE

A
  1. type I
  2. type II
  3. type III
  4. type IV
32
Q

TYPE I CLIMATE

A
  1. two pronounced season
  2. dry (november - april)
  3. wet (may - october)
33
Q

TYPE II CLIMATE

A
  1. no distinct dry period
  2. maximum rainy period (november - january)
34
Q

TYPE III CLIMATE

A
  1. no pronounced maximum rainy period
  2. short relatively dry period (november - april)
35
Q

TYPE IV CLIMATE

A
  1. rainfall more or less evenly distributed throughout the year
36
Q

TYPHOONS

A
  1. destructive yet beneficial to crops
  2. 47% of rainfall is associated with typhoons

AGRI 32 | LECTURE | EXAM 1 (8 decks)

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