Alicia DeVore

Many years ago, I planted lettuce seeds, and that crop of lettuce was vibrant and growing with no pest issues and continued to produce for months. I was ecstatic. I had found the secret to growing my own salad, plant seeds and it grows. The next year I did the same thing, planted out lettuce seeds. As each seed sprouted, the next day it would be eaten and gone. I was so discouraged.

I took it to the next level and went and bought lettuce transplants, thinking that these plants would survive whatever was eating my previous lettuce sprouts. Nope. Each plant completely devasted and eaten within a day.

At this point, I realized that if soil is lacking essential nutrients and balance of soil organisms, that the result would be no food production in my backyard garden. I needed to know what to add to my soil to create an environment where insects didn’t take over the growth of my garden.

Gardening can be an adventure that is new each season. Adding things back into your garden that are used up from a previous season is an essential part of growing a healthy garden where you are not wasting your time but investing into the right things to help your garden to grow. Read below how you can improve veggie garden soil with the power of 7 soil amendments.


Healthy Soil= Healthy Plants

Healthy garden soil needs a combination of key elements:

  1. Organic Matter: Organic matter, such as compost, improves the structure of the soil, retains water, and provides nutrients for plants. It also encourages beneficial microorganisms that contribute to soil health.

  2. Nutrients: The primary nutrients needed are Nitrogen (N), Phosphorus (P), and Potassium (K), often referred to as NPK. These are crucial for plant growth. Other essential nutrients include calcium, magnesium, and sulfur.

  3. Proper pH Level: Most plants prefer a slightly acidic to neutral pH (6.0-7.0). Some plants may require more acidic or alkaline soil. The pH level affects the availability of nutrients in the soil.

  4. Good Drainage: Roots need oxygen to survive, so well-draining soil is important. Soil that holds too much water can lead to root rot and other diseases.

  5. Soil Life: Healthy soil is teeming with life, including worms, fungi, bacteria, and other microorganisms. These organisms help decompose organic matter and make nutrients available to plants.

  6. Soil Texture: The texture of the soil (the proportion of sand, silt, and clay it contains) can affect its drainage and its ability to retain nutrients. Loamy soil, which is a balanced mix of these three, is considered ideal for most plants.

Remember, different plants have different soil requirements, so it’s important to know what your specific plants need for optimal growth.

Organic Fertilizer or Soil Amendments?

Organic Fertilizers and Soil Amendments are two essentials in the world of gardening. Organic fertilizers are natural materials added to your garden soil that provide essential nutrients for your plants.

They’re made from things like compost, manure, or bone meal – all stuff Mother Nature would approve of! On the other hand, soil amendments like peat moss or vermicompost improve the soil structure, making it easier for roots to grow and absorb nutrients.

As for the soil amendments, work them into your garden at the start of the growing season to prepare the ground for planting. Soil amendments are slow release, so patience is key. Over time, they’ll create a nutrient-rich, well-structured soil that your plants will absolutely love.

I only add amendments to my garden at the beginning of the next season.

For organic fertilizers, sprinkle them around the base of your plants and gently mix into the top layer of soil. Or I use a liquid fertilizer that I add to water and then add to the base of my plants. I set up a schedule for this so that I don’t overfertilize my garden. While using fertilizers, can give your plants more access to nutrients that they need to produce more.

I fertilize usually once a month.

Organic vs. Inorganic Amendments

Organic Amendments

Organic amendments are derived from living organisms. Think compost, manure, bone meal, and even certain types of clay. When you add these to your soil, they slowly break down, releasing nutrients gradually over time. This slow-release process nurtures long-term soil health, promoting a rich microbial ecosystem that’s vital for plant growth.

Inorganic Amendments

On the flip side, inorganic amendments are mineral based. Lime, gypsum, and perlite fall into this category. While they can improve soil structure and provide quick nutrient boosts, they don’t offer the same ongoing benefits as their organic amendment counterparts.

Why Choose Organic for Your Vegetable Garden?

Organic amendments do more than just feed your plants. They improve soil fertility, water retention, and overall soil health, creating an ideal environment for your vegetables to thrive. Plus, they’re sustainable and eco-friendly, keeping your garden – and the planet – green and happy.

A healthy garden starts with healthy soil. By choosing organic amendments, you’re investing in the long-term vitality of your garden, setting your veggies up for a successful growing season.

Organic amendments like your composted wood chips or chicken manure enrich your soil over time, while inorganic ones such as lime or gypsum can quickly adjust pH levels or add specific nutrients, giving your plants exactly what they need to flourish. It’s all about understanding and catering to your garden’s unique needs.

Do not use chemical fertilizers for your garden, especially if you plan on eating from the plants that you grow. Let nature do it’s thing by adding what nature would have added on its own. You are just helping the natural process happen that will bring life to your soil in the garden. Stick with an organic fertilizer.

What Soil Needs

Vegetable gardens require a soil samples a variety of nutrients to thrive. Here is a list of nutrients that are essential for healthy soil in producing beautiful and productive vegetable gardens.

  1. Nitrogen (N): Nitrogen is vital for leaf growth and the overall size and vigor of the plant. It’s the main component of chlorophyll, which plants use for photosynthesis.

  2. Phosphorus (P): Phosphorus is crucial for energy transfer and storage in the plant. It promotes root development, flowering, and fruiting.

  3. Potassium (K): Potassium assists with the regulation of water and nutrient movement in the plant. It helps in disease resistance, strengthens cell walls, and promotes strong stem growth.

  4. Calcium (Ca): Calcium is needed for cell wall development and growth. It helps in the structure and permeability of cell walls and can prevent disorders such as blossom end rot in tomatoes.

  5. Magnesium (Mg): Magnesium is a part of the chlorophyll molecule and essential for photosynthesis. It also aids in the utilization of other nutrients such as phosphorus.

  6. Sulfur (S): Sulfur contributes to the formation of certain vitamins and enzymes in the plant. It also helps in seed production.

  7. Trace Elements: These are needed in smaller amounts but are still important. They include iron, manganese, zinc, copper, molybdenum, and boron.

Soil Test

Your goal is to have soil that is rich, easy to move, and dark full of soil aeration so that soil microbes can live and bring life to whatever you plant. Knowing what your soil needs to become a space to grow garden plants will not be a waste of your time.

The soil biology matters. Learning what organic sources will work with the soil types in your yard or garden can save you from problems in the future.

Regular soil testing can help you and soil conditioners determine if your soil has the right balance of these nutrients. If not, you can amend the soil with organic matter like compost or use a balanced fertilizer that contains these essential nutrients.

Always remember that too much of any nutrient can be just as harmful as too little, so it’s important to add them in appropriate amounts.

The best time to do a soil test like this one, link to soil test, is at the end of summer.

7 Essential Organic Amendments

  1. Compost: Compost is a great way to add organic matter back into your soil. It can be made from kitchen scraps, yard waste, and other organic materials. Animal manures like cattle manure and chicken manure are animal waste that needs time to age and mature otherwise it will burn your garden with the high levels of nitrogen. Make sure that if you add chicken litter that it has time to become composted manure.

  2. Cover Crops/Green Manure: Planting cover crops like clover, vetch, or rye in the fall can help add nutrients back into the soil. When they’re turned under in the spring, they decompose and release those nutrients for your next crop.

  3. Blood Meal: Blood meal is a by-product of the meat packing industry and is a great source of nitrogen, helping to promote lush, green growth.

  4. Worm Castings: Worm castings (worm poop) are rich in nutrients and beneficial microbes. They can help improve soil structure and increase its ability to hold water.

  5. Wood Ash or Azomite: If you have a wood-burning stove or fireplace, the ash can be a valuable amendment for your garden. Wood ash is rich in potassium and lime, making it great for sweetening acidic soils.

  6. Alfalfa Meal: Alfalfa meal is derived from fermented alfalfa seeds and is rich in nitrogen, making it excellent for promoting lush, green growth. It also contains trace minerals and triacontanol, a natural plant growth promoter.

  7. Seaweed or Kelp Meal: Seaweed or kelp meal are excellent sources of micronutrients and can help to boost plant health and improve soil structure. They also contain hormones that can promote plant growth and stress resistance.

Application Rates of Amendments & Fertilizers

Amendments and organic fertilizers are nature’s secret weapon for a productive vegetable garden. These are derived from living organisms and offer a wealth of benefits to your plants. They replenish the soil’s nutrients, foster beneficial bacteria and fungi, and promote robust plant growth, making them an essential tool for any gardener.

Applying an organic fertilizer is easy. Simply spread them around your plants and lightly mix them into the topsoil layer. I also have a schedule of adding fertilizers every month to parts of my garden that need more support if it is extra hot, cold, or producing lots of food.

On the other hand, I add amendments at the beginning of each season and then not again throughout the same season. Over time, these amendments will slowly release their nutrients, contributing to long-term soil health, crop production and productivity. This gradual process ensures that your soil remains fertile, your plants get the nutrients they need, and your vegetable yield is plentiful.

Whether you’re using compost, other natural amendments, or ready-made organic fertilizer, remember that patience is key. Instead, they nurture your soil and plants over time, setting your garden up for sustainable success.

Do Soil Amendments Work?

What is the end of my lettuce story? I now test my garden improves soil structure at the end of the summer season and add the organic amendments recommended by the soil test. By doing this, I’m giving my soil structure and soil surface what it needs to create an environment of success for my garden by using common soil amendments and staying away from inorganic fertilizers or synthetic fertilizers.

Other parts of my yard have lots of clay soil that is compacted soil which makes it difficult f or plant roots and root growth to happen. Adding organic manure, some sandy soil, and other soil organic matter content. Clay soils make it hard to grow, but you can combat and build up this type of dead dirt with organic material and other soil amendments discussed in this article.

I’m letting the soil build up my garden and the plants so that they will not be susceptible to bad insects or harsh weather. By building up my soil with common soil amendments, I’m creating an environment that helps everything to grow and produce lots.


What is the difference between compost and soil amendment?

Compost is a type of soil amendment, but not all soil amendments are compost.

Compost is made from decomposed organic matter like food scraps and yard waste. It’s a superstar at improving soil structure, water retention, and providing nutrients to your plants.

On the other hand, soil amendments are a broader category and include both organic materials (like your composted manure) and inorganic materials (like lime or sand). They’re used to enhance the physical properties of your soil, making it more conducive for plant growth.

While all compost is a soil amendment, not all soil amendments are compost.

What fertilizer is highest in nitrogen?

Nitrogen Fertilizer: Your Garden’s Best Friend

Nitrogen is a Leafy Green Maker

Nitrogen is one of the essential nutrients that plants need to flourish. It’s primarily responsible for promoting healthy leaf and stem growth, making it a must-have for your vegetable garden.

The Power Packed Nitrogen Fertilizers to add regularly

Single-nutrient fertilizers like ammonium nitrate and urea are packed with nitrogen. Urea, for instance, boasts a whopping 45% nitrogen content. There are also organic options like cottonseed meal, blood meal, and fish meal. These might not have as high a nitrogen percentage, but they’re a fantastic choice if you’re all about organic gardening.

How to Use High-Nitrogen Organic Fertilizers in Your Veggie Garden

Non-flowering veggies love a good dose of nitrogen, so a general-purpose fertilizer or one with a high nitrogen number will do wonders.

Balance is key. Too much nitrogen can lead to excessive leafy growth, but not enough fruit or root development. So, always follow the recommended application rates on the fertilizer package and keep an eye on your plants for signs of over-fertilization.

With a little knowledge and the right approach, nitrogen-rich fertilizers can be your secret weapon for a thriving vegetable garden.

What is the salt content and pH of the amendment?

Hey there, soil enthusiasts! Let’s dive into some fun facts about soil amendments. In particular, we’ll chat about salt content and pH levels. These might sound like complex scientific concepts, but don’t worry! We’ll break it down so it’s super easy to understand.

Salinity Matters: The Scoop on Salt Content

This isn’t table salt we’re talking about, but the total amount of soluble salts in the soil. High salt content sandy soils can be harmful to plants, causing water stress and even nutrient imbalances. When choosing a soil amendment, look for one with a low salt content to ensure your plants get just the right balance of nutrients without the risk of salt-induced damage.

Balancing Act: The Importance of pH

Next, let’s move on to soil pH. The pH level of a soil amendment can dramatically affect your plants’ ability to absorb nutrients. Most plants prefer a slightly acidic to neutral pH (around 6 to 7). Using a soil amendment with a suitable soil pH level can help optimize nutrient uptake, contributing to healthier, happier plants.

Understanding the salt content and soil pH of your soil amendments is key to creating the perfect environment for your plants. It’s all about finding the right balance.

What is sphagnum peat vs. mountain peat?

Let’s compare two types of peat that you might come across: sphagnum peat and mountain peat.

Sphagnum Peat: The Boggy Powerhouse

Sphagnum peat type of peat is made from partially decomposed sphagnum moss, a plant that thrives in wet, boggy environments. Sphagnum peat is loved by gardeners for its ability to retain water and improve soil structure.

Plus, it’s slightly acidic, making it perfect for acid-loving plants. One thing to keep in mind, though: sphagnum peat can take decades to form, so it’s not the most sustainable choice.

Mountain Peat: The High-Altitude Hero

Mountain peat type of peat is found in high-altitude regions. Mountain peat is derived from a wide variety of plants and tends to be more decomposed than sphagnum peat. It has a higher mineral content and is less acidic, making it a versatile choice for many different types of plants.

Check out these other Articles that can help you grow with amazing soil:

Benefits of Composting

Quick and Easy Gardening Tips

Sustainable Living in a Garden

Read Other Posts

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About the Author

Alicia has been teaching her whole life from elementary teacher to workshops for beginning gardeners.  Go HERE to read Alicia's story into gardening from plant killer to pro grower and garden coach.  If you want to send Alicia a quick message, then use her contact page HERE.

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