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Permaculture 2 (How To Grow More Veggies) > Calcium > Flashcards

Calcium Flashcards

1
Q

Calcium is one of the 3

A

Secondary macronutrients

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2
Q

2 other secondary macronutrients

A

Magnesium

Sulfur

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3
Q

Primary macronutrients (3)

A

Nitrogen

Potassium

Phosphorus

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4
Q

Calcium in form of calcium or Tate is responsible for

A

Contributing to building of cell walls in plants

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5
Q

Calcium deficiency causes

A

Visual distortion in new growth

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6
Q

Calcium also used in activating certain

A

Enzymes

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7
Q

Calcium sends

A

Certain signals that coordinate cellular activity

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8
Q

Tiny holes on plants leaves called

A

Stomata

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9
Q

Transpiration def

A

Exhalation of water vapor through plants stomata

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10
Q

Even if calcium sufficient in soil, plants can not get enough with _ conditions (2)

A

High humidity

Cold temps

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11
Q

Classic sign of calcium deficiency (tomato)

A

Blossom end rot

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12
Q

First parts of plants to display calcium deficiencies (2) are parts that transpire

A

Young leaves

Fruit

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13
Q

Calcium deficiency can arise if levels in the fertilizer soil solution are less than

A

40-60 ppm

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14
Q

Calcium deficiency can arise if _ levels are too high (3)

A

Potassium

Magnesium

Sodium

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15
Q

Calcium deficiency rarely

A

Occurs

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16
Q

Calcium deficiency def

A

High levels of calcium compete with mag/potash causing their deficiencies

17
Q

Most fertilizers do not contain

A

Calcium

18
Q

All _ supply some calcium

A

Water sources

19
Q

Water coming from (2) have sufficient calcium for normal crop growth

A

Deep wells

Non-costal regions

20
Q

Water with insufficient calcium for crops (3)

A

Lake

River

Pond

21
Q

Water from rain have _ calcium

A

Insufficient for plant growth

22
Q

Water from (2) have insufficient calcium levels

A

Shallow well

Costal region

23
Q

If your water supply has calcium level of _ or more, there is little need to use fertilizer with calcium

A

40-60 ppm

24
Q

Ppm stands for

A

Parts per million

25
Q

Synonymous with ppm

A

mg/l

26
Q

Ppm can also be expressed as

A

Milligrams per liter

27
Q

Ppm is the mass of chemical or contaminate per

A

Unit volume of water

Permaculture 2 (How To Grow More Veggies) (30 decks)

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