Which fertiliser to use | Gardening 101 | Gardening Australia
Summary
TLDRThis script offers a comprehensive guide to fertilizers, distinguishing between soil conditioners and fertilizers. It emphasizes the importance of soil conditioners for improving soil quality and highlights the differences between inorganic, synthetic fertilizers and organic, natural ones. The video also discusses the benefits of liquid and solid fertilizers, explaining their applications and how to use them effectively in gardening. It encourages viewers to research and experiment to find the perfect fertilizer for their plants.
Takeaways
- 🌿 Plants, like humans, require nutrients to grow and thrive, but they depend on gardeners for these nutrients since they are rooted in place.
- 🔍 When choosing a fertilizer, it's important to distinguish between soil conditioners, which improve soil structure and water retention, and fertilizers, which provide essential nutrients for plant growth.
- 💧 Soil conditioners include bag compost, manures, worm poo, and liquid seaweeds, which can also help alter the soil's pH if needed.
- 🌱 Fertilizers contain key nutrients indicated by the letters N (nitrogen), P (phosphorus), and K (potassium), and can be found in both organic and inorganic forms.
- 🛠️ Inorganic fertilizers are synthetic and provide precise nutrient concentrations tailored to specific plant groups, while organic fertilizers are derived from once-living materials and release nutrients more slowly.
- 🌳 Organic fertilizers, such as pelletized manure or blood and bone, are considered safer as they are less likely to burn plants due to their slow-release nature.
- 💦 Liquid fertilizers are quickly absorbed by plant roots and are ideal for use during the growing season, particularly for fast-growing vegetables and indoor plants being transitioned outside.
- 🚫 When using inorganic liquid fertilizers, it's crucial to follow the instructions carefully to avoid over-dosing, which can harm the plants.
- 🌾 Solid fertilizers, both organic and inorganic, offer a slow-release option that can be applied less frequently, making them convenient for long-term plant care.
- 🔥 Inorganic solid fertilizers, known as prills, release nutrients in response to temperature and moisture changes, providing a controlled release of nutrients.
- 🔍 The choice of fertilizer ultimately comes down to personal preference and should be informed by research, label instructions, and experimentation in one's own garden.
Q & A
Why do plants need nutrients from gardeners?
-Plants need nutrients because they are rooted in one spot and cannot seek out nutrients like humans can. Gardeners provide essential nutrients for their growth and prosperity.
What is the primary role of soil conditioners in a garden?
-Soil conditioners improve the soil's structure, enhance water holding capacity, reduce compaction, and can also alter the soil's pH if necessary.
What are some examples of soil conditioners mentioned in the script?
-Examples of soil conditioners include bag compost, home-grown compost, bag manures, cow manure, worm castings, and liquid seaweed.
How do soil conditioners differ from fertilizers?
-Soil conditioners improve the soil's physical properties, while fertilizers provide essential nutrients for plant growth, typically containing nitrogen (N), phosphorus (P), and potassium (K).
What are the advantages of inorganic fertilizers?
-Inorganic fertilizers offer precise concentrations of nutrients tailored to specific plant needs, and they are synthetic, man-made forms of naturally occurring minerals.
What are organic or natural fertilizers made from?
-Organic fertilizers are made from one or a combination of organic ingredients that were once living, such as dead fish, pelletized chook manure, blood meal, and bone meal.
Why are organic fertilizers considered slow-release?
-Organic fertilizers release nutrients slowly over time, which prevents nutrient burn and allows for a steady supply of nutrients as the plant grows.
When is the best time to use liquid fertilizers according to the script?
-Liquid fertilizers are best used during the growing season, particularly in spring and summer, when plants are actively growing, fruiting, and flowering.
What is the main risk of using inorganic liquid fertilizers incorrectly?
-The main risk is over-dosing, which can lead to nutrient burn and harm the plants instead of helping them.
How often should solid fertilizers be applied according to the script?
-Solid fertilizers, both organic and inorganic, are slow-release and typically only need to be applied once or twice a year.
What personal approach is suggested for choosing a fertilizer in the script?
-The script suggests doing research, reading labels, and experimenting in one's own garden to find the perfect fertilizer for individual needs.
Outlines
🌱 Understanding Fertilizers and Soil Conditioners
This paragraph introduces the necessity of nutrients for plant growth and the role of gardeners in providing these nutrients. It distinguishes between soil conditioners, which improve soil structure and water retention, and fertilizers, which supply essential nutrients for growth. The paragraph explains that fertilizers contain nitrogen (N), phosphorus (P), and potassium (K), and can be either organic or inorganic. Organic fertilizers are derived from once-living materials and release nutrients slowly, whereas inorganic fertilizers are synthetic and provide precise nutrient concentrations. The paragraph also discusses the differences between liquid and solid fertilizers, noting that liquid fertilizers work quickly and are ideal for growing seasons, while solid fertilizers offer slow release over time.
🧑🌾 Personalizing Fertilizer Selection
The second paragraph focuses on the personal aspect of choosing a fertilizer, emphasizing the wide variety available and the importance of personal choice. It suggests that gardeners should conduct research, read labels carefully, and experiment with different fertilizers in their own gardens to find the best fit. The paragraph concludes with an encouragement to explore and find the perfect fertilizer for one's specific gardening needs, highlighting the individuality in gardening practices.
Mindmap
Keywords
💡Fertilizer
💡Soil Conditioners
💡Nitrogen
💡Phosphorus
💡Potassium
💡Inorganic Fertilizers
💡Organic Fertilizers
💡Liquid Fertilizers
💡Solid Fertilizers
💡Control Release Fertilizer
💡Microbial Action
Highlights
Plants require nutrients for growth and prosperity, and gardeners play a crucial role in providing them.
Understanding the difference between soil conditioners and fertilizers is essential for effective gardening.
Soil conditioners improve soil properties like water holding capacity and can alter pH levels.
Common soil conditioners include compost, manures, and liquid seaweeds.
Fertilizers contain essential nutrients with the key components being nitrogen (N), phosphorus (P), and potassium (K).
Inorganic fertilizers are synthetic and deliver precise nutrient concentrations tailored to specific plant groups.
Organic or natural fertilizers are made from once-living organic ingredients and release nutrients slowly.
Organic fertilizers, such as blood and bone, are less likely to burn plants due to their slow-release nature.
Liquid fertilizers are ideal for quick nutrient delivery during the growing season.
Organic liquid fertilizers are particularly effective for fast-growing vegetables and indoor plants.
Inorganic liquid fertilizers should be dissolved in water carefully to avoid burning plants.
Solid fertilizers offer slow-release nutrient benefits and can be used less frequently.
Pelletized chook manure is an example of an organic solid fertilizer.
Inorganic solid fertilizers, known as prills, are found in potting mixes and release nutrients with temperature and moisture.
Control release fertilizers work as the temperature rises and soil gets wetter, providing a controlled nutrient release.
Choosing the right fertilizer involves personal choice, research, and experimentation in one's own garden.
Reading labels and following instructions is crucial for the proper use of fertilizers.
Transcripts
we all need food to stay healthy and
happy
and plants are no different but while we
can pop around to the local store and
get what we want
plants aren't that lucky they are quite
literally
rooted to the spot and they depend on us
gardeners to give them
most of the nutrients that they need to
grow and prosper
so what happens when you're standing in
the fertilizer aisle at your local
nursery and there's so many choices
it's quite confusing so where do you
start
well it's time for a fertilizer master
class
first up it's vital to know the
difference between soil conditioners
and fertilizers let's deal with soil
conditioners first
soil conditioners are really necessary
in your garden to improve the soil
to improve water holding capacity
compaction
and also to alter ph if necessary soil
conditioners are things like
bag compost or home grown compost i use
that a lot in my garden
and things like bag manures cow manure
of course is really good
and worm poo that's a beauty and
even the liquid seaweeds they're really
good in
the garden because of what they do to
the soil the difference between a soil
conditioner and a fertilizer
is that the fertilizer has essential
nutrients
good for plant growth and you can tell
because they always contain
n for nitrogen phosphorus with a p and k
for potassium fertilizers can also be
liquid or pelletized
and organic or inorganic so what's the
difference
what's in them and what's best for
different situations
let's start off with inorganic and
organic fertilizers
inorganic fertilizers are synthetic
they're man-made
and some people might freak out when
they hear synthetic fertilizers
well i don't think there's anything to
worry about they are concentrated forms
of often naturally occurring minerals
and if you use them correctly they're
good in the garden
the main advantage of inorganic
fertilizers
is that they deliver precise
concentrations
of nutrients to the plant and are often
tailored
to the requirements and needs of a
specific group of plants for example
citrus or roses on the other hand
organic or natural fertilizers are
manufactured from one
or a combination of organic ingredients
an organic just simply means that they
were once
living things like dead fish you've got
pelletized chook manure and of course
blood and bone which is an obvious
source
or you can have a mixture of the
ingredients organic fertilizers usually
have a lower quantity
of nutrients than do inorganic
fertilizers
but they're slow releasing and as my
grandfather said
you can't do any harm with blood and
bone it takes about six weeks to start
to work and it's slow release you can't
burn the plants
and you'll notice that most of the
organic ones
have a bit of a smell when it comes to
fertilizers
you can also choose between liquids and
solids
let's look at liquid fertilizers first
plant roots take up nutrients when
they're in liquid form
so it stands to reason that these liquid
fertilizers will work really well
as a quick fix the thing about it is you
do it in the growing season
when the plant is growing and fruiting
and flowering spring and summer is ideal
organic liquid fertilizers work a treat
on fast growing green vegetables
you can also use it if you're planting
something in the garden or
doing like indoor plants bring them
outside and give them a good water like
that
it works very quickly and it's good for
microbial action in the soil as well
inorganic liquid fertilizers generally
come
in powdered form so you need to
make sure that they are put into some
water
and dissolved really well they're
soluble in water so just stir it round
and that'll be fine
don't be tempted to double the dose it
can do more harm than good it very often
can burn the plant
it's easier to follow the instructions
which brings us to solid fertilizers and
again
you've got the organic and the inorganic
fertilizers
and the common factor is that they are
slow release
you don't have to use the fertilisers
every two or three weeks
this in this case you can use them once
or twice
every year you've got pelletized chook
manure that's the organic variety
and then these ones are the inorganic
they're called prills you often find
them in a bag of potting mix they're
called control release
fertilizer because they work as the
temperature rises and as it gets wetter
hence the control
[Music]
when it comes to choosing a fertilizer
there is such a huge range that it
really comes down to a personal choice
and i just think by doing a bit of
research certainly reading the
instructions on the label
and experiment in your own home garden
and you'll find one that's perfect for
[Music]
you
you
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