Showing posts with label Organic Matter. Show all posts
Showing posts with label Organic Matter. Show all posts

Monday, March 19, 2012

Synthetic vs. Organic Fertilizers: Can Plants Tell the Difference?

Plants Can Indeed Tell The Difference
A 15-5-10 synthetic fertilizer is the classic 3-1-2 ratio high-nitrogen, synthetic fertilizer – the kind that the other guys recommend. These numbers mean that the bag contains 15 percent nitrogen, 5 percent phosphorus and 10 percent potassium. The remaining 70 percent of the material in the bag is filler. That can be hydrogen, oxygen and other compound parts but can also be just about anything – sawdust, sand, dirt or even toxic industrial waste.

Now you might ask, ‘Why do we need filler? They distribute the N-P-K throughout the filler or carrier so you don’t burn the heck out of your turf when you apply it. Does that tell you something?

When we use organic fertilizers we’re using very low amounts of buffered nutrients. Everything in the bag is useful to the plant. Our ‘filler’ is organic material with a variety of trace minerals. That translates to much better stimulation of biological activity in the soil.

There are all kinds of problems with synthetic, high-nitrogen fertilizers. The primary problem is that there’s too much nitrogen. It creates an unbalanced situation as far as nutrients in the soil and in plants.

High levels of nitrogen and low levels of trace minerals force fast growth that results in very weak watery cell growth in plants. People see the plants are growing and flowering so they think everything is fine. But the imbalance and the watery cells bring on insects and diseases. Nature’s job is to take out sick plants and to encourage the survival of the fittest.

And, the form of nitrogen is wrong. It works too fast. Plus, it’s soluble. If it rains after you put it out, it washes away and leaches through the soil into the water stream.

The second problem is the phosphorous source. The phosphorous in synthetic fertilizer is usually triple super phosphate 0-46-0 made by treating rock phosphate with phosphoric acid. Years ago the phosphorous source was 0-20-0 or super phosphate. It was pretty darn good even though it was created by a synthetic process. Rock phosphate was made by treatment with with sulfuric acid. It was a more balanced phosphate and did not tie up trace minerals.

Well, somebody came up with the notion to use phosphoric acid to create more phosphorous for less money. So now all the synthetic fertilizer manufacturers use triple super phosphate. Big problem – the new material is so raw and so bare that when it’s put on the soil, it grabs and locks onto magnesium, manganese and all sorts of other trace minerals. It ties up these nutrients making them unavailable to plants.

The third problem is potassium. The source of potassium in most synthetic fertilizers is muriate of potash or potassium chloride. Potassium chloride is bad on specific types of crops – especially fruit crops. It’s also harsh on the soil. What we like as a potassium source is potassium sulfate. It’s made from the salt of The Great Salt Lake.

My definition of a fertilizer is anything that improves the soil and helps to stimulate plant growth. For example, dead leaves that fall off a tree are fertilizers. As they break down they turn into organic matter or humus and feed the soil microbes. Microbes such as the beneficial fungi on the roots protect and feed the root hairs of the plants. This feeding process releases the nutrients to feed plants. That’s how it works on the prairie and in the forest. We’re just speeding up the process.

All the basic soil amendments meet that definition, but they are intended for building the health of the soil more than for routine fertilizing. They are more gentle and work more slowly over time. The basic soil amendments are manure-based organic compost, cornmeal, lava sand, greensand, zeolite and dry molasses. 

Manure based organic compost – this is the basic building block of organics. It is the material we would find on an undisturbed forest floor. It acts as a gentle fertilizer encouraging microbial action.

Cornmeal – this natural fungicide is a mild fertilizer and disease fighter that should be used until your soil gets healthy.

Lava sand – you can use as much as you want as long as you want. Remember that the most productive soils in the world – Costa Rica, Hawaii, and parts of the West Coast and the Mediterranean – are places with a history of volcanic action and are almost solid lava.

Greensand – mined from ancient sea beds, greensand is a marine deposit that is loaded with iron – and other trace minerals. It can end up being a bit of a problem in soils with high levels of iron.

Dry molasses – this is not solid dried molasses. It’s organic material like rice hull bits that have been sprayed with molasses and dried. It is a powerful carbon source that really kicks up microbial activity.

There are many quality bagged organic fertilizers to choose from. Some people alternate among them on the perfectly logical supposition that each contains a slightly different combination of nutrients and by rotating over time you provide your soil a more balanced diet.

Some brands that are widely distributed are GreenSense, Lady Bug, Medina and Texas Tee.

Similarly there are a lot of great choices in liquid fertilizers. I strongly recommend a regular foliar spray program. You can make your own Garrett Juice – the recipe is shown below.

Other good choices are Alpha Bio THRIVE, Bioform, Lady Bug, Maxicrop and Medina. 

You get indirect pest control from all liquid organic products because they stimulate biological activity. And that’s how we control pests the most effectivley. We try not to kill, but rather stimulate the good guys. The good guys feed on the pathogens and balance results.

The recommended organic fertilization program is (it varies based upon where you live): 
First fertilization - as early as January on into April

Second fertilization – sometime in June or July

Third fertilization – between September and October
Garrett Juice (ready to spray):
1 cup manure based compost tea
1 ounce molasses
1 ounce natural apple cider vinegar
1 ounce liquid seaweed

For disease and insect control add:

¼ cup garlic tea or
¼ cup garlic/pepper tea
and 1 ounce of orange oil
For homemade fire ant killer add:2 ounces of citrus oil per gallon of Garrett Juice
The ready-to-use solution should not have more than 2 ounces of orange oil per gallon.

Top 12 Reasons to Go Organic

. Organic Is the Only Alternative Delivering Meaningful Health Results.
It is hard to miss the problems arising in the wake of the conventional food system – toxic exposures, birth defects, learning disabilities, obesity, water pollution, unacceptable suffering by farm animals, to name a few. While dozens of labels promise often undefined and unverified benefits, the certified organic label stands apart in consistently delivering what people care most deeply about – more nutritious food, grown using methods that minimize the use of toxins, while building soil quality and protecting water quality. A growing, dynamic organic food sector will stimulate valuable changes benefiting all of agriculture, as well as everyone dependent on the American farmer for three square meals a day.
2. Reduce Your Exposure to Harmful Synthetic Pesticides.
Conventional farmers apply 2-12+ synthetic pesticides to their crops. The average serving of conventionally grown leafy greens, peppers, tree fruits, berries, and grapes contains three to four pesticide residues. Residues of some widely used pesticides can trigger subtle changes in a child's development, and may lead to a wide range of health problems including ADHD, autism, obesity, and certain forms of cancer.
3. Boost the Nutritional Quality of Your Food.
Organic crops are grown in healthier, biologically active soils. While crops on organic farms tend to yield somewhat less per acre and often take longer to grow than crops on conventional farms, plants nurtured by soil on organic farms produce crops that contain higher levels of important antioxidants, minerals, and vitamins.
4. Steer Clear of Unknown Genetically Engineered Food Risks.
Most of today's genetically engineered (GE) foods were approved over 15 years ago during a period when the government was aggressively promoting biotechnology. The prevailing "wisdom" was that GE foods were "substantially equivalent" to conventional foods. We have since learned that even small differences in the genetic makeup of food can lead to unexpected human health risks. Because organic farmers cannot plant GE seeds, nor use GE crop inputs, choosing organic is the only sure way to avoid GE food risks.
5. Decrease Your Intake of Unnecessary Hormones and Antibiotics.
Organic BarcodeMost conventional livestock farmers use a combination of growth hormones, drugs, feed supplements, and high-grain diets to push their animals to grow faster, get bigger, and produce more milk and eggs per day. In fact, animals on conventional farms are often pushed so hard that they experience serious reproductive and/or other health problems leading to heavy antibiotic use. The National Organic Program (NOP) rule prohibits the use of virtually all synthetic animal drugs. At the end of the day, healthy animals produce healthier meat, milk and dairy products, and eggs.
6. Give Farm Animals a Healthy Measure of Respect.
A significant share of the livestock raised on conventional farms live in crowded, stressful conditions that erode animal health, increase drug dependency, and take away any chance of carrying out natural behaviors. However, the NOP rule states that organically raised animals must have access to the outdoors, including pasture, and ample space to carry out natural behaviors.
7. Preserve Local Crop Varieties for Future Generations.
Today, 50% of all food eaten worldwide comes from four plant species and three animal species. A handful of multi-national corporations own and control over 50% of the world's seed market. Small organic farms often preserve heirloom and rare seed varieties for future generations to experience and enjoy.
8. Improve Water Quality and the Safety of Drinking Water.
Rainfall landing on a field of crops will carry a certain amount of soil, nutrients, and chemicals downstream or into underground aquifers. The more chemicals applied per acre, the greater the challenge in preserving water quality. The Dead Zone in the Gulf of Mexico is the most graphic example of the enormous harm caused when farm chemicals flowing off of millions of acres congregate in the mighty Mississippi.
9. Promote Biodiversity and Beauty in Rural Landscapes.
Organic farmers not only encourage biodiversity, they depend on it – both above and below the ground. Experienced organic farmers have learned over many decades that combining multiple crops with livestock and other animals is the best way to promote soil health and fully utilize the rainfall and sunlight that falls on an acre in any given year.
10. Maintain Healthy Soil.
Healthy soil is the bedrock of all successful organic farms. Hundreds of studies conducted on multiple continents over the last 50 years have compared soil quality on organic versus nearby conventional farms, and virtually everyone has concluded that organic management substantially enhances soil quality.
11. Organic Food Delivers More Intense Flavors.
Organic fruits and vegetables more often than not have higher levels of flavor-enhancing nutrients, coupled with lower concentrations of water and sugars. The end result – typically more intense and complex flavors. Plus, no artificial food colors or preservatives are added to any organic foods.
12. Create Healthier Working Environments for Farmworkers and Rural Neighbors.

Farming is second only to mining on the list of the most hazardous occupations. Unless great care is exercised, exposures to toxic pesticides, caustic fertilizers, and other chemicals will pose risks for many people working on or living near farms. Organic farmers simply do not use high-risk chemical materials and so workers, and rural neighbors, have one less health risk to worry about.
Sales of organic products have skyrocketed in recent years, and it’s easy to see why. People associate organic food with better health, local growers, lower pesticide levels, humane treatment of animals and sounder environmental practices."

Ways Organic Farms Outperform Conventional Farms

Sustainable, organic farming practices are the best way to feed the future…!!!!

It is a testament to human ingenuity that the mechanics of farming has managed to keep pace with an ever-expanding demand even as the number of farms has declined. Farm machinery has become larger, more efficient and more productive. New crop varieties have been developed which resist common pests and diseases while producing larger yields. Chemical fertilizers and pesticides have become increasingly effective, allowing farmers to produce larger crops without the need for additional human labor.
Farmlands have become increasingly dependent on chemical fertilizers which have short-term benefits but contribute to soil depletion over time.
But while today’s large scale food producers continue to profit and consumers see supermarket shelves overflowing with farm products, the unseen costs of our dependence on agribusiness exert a mounting toll. Farmlands have become increasingly dependent on chemical fertilizers which have short-term benefits but contribute to soil depletion over time. Water retention is diminished in non-organic farmland, resulting in erosion of topsoil with chemical residues entering watersheds. We consumers have quietly accepted these changes in farming practices as the cost of feeding a growing nation, and because there seem to be no practical alternatives.
Recent experiments in small organic farming practices, and the release of a 30-year side-by-side farming study by the Rodale Institute, have shown this reasoning to be fundamentally flawed. Organic farming, both large and small scale, is more productive than ‘conventional’ chemical-dependent farming. Organic farming is not only the best way to feed the world – it is the only way to feed the world in a sustainable way.
Organic farms, contrary to conventional wisdom, outperform conventional farms in these ways:

1. Organic farms are more profitable than conventional farms

The bottom line for farmers, regardless of the practices used, is income. The 30-year side-by-side Rodale study showed that organic systems were almost three times as profitable as conventional systems. The average net return for the organic systems was $558/acre/ year versus just $190/acre/year for the conventional systems. This figure is skewed because of the higher price organic farmers receive for their produce and meat, but the higher food costs alone cannot account for the difference in profitability. Lower input costs for organic farm systems are credited with significant cost savings for the farmer.
The relatively poor showing of GM crops in the Rodale study echoed a study from the University of Minnesota that found farmers who cultivated GM varieties earned less money over a 14-year period than those who continued to grow non-GM crops.

2. Organic yields equal or surpass conventional and GM yields

The Rodale 30-year study found that after a three-year transition period, organic yields equalled conventional yields. Contrary to fears that there are insufficient quantities of organically acceptable fertilizers, the data suggest that leguminous cover crops could fix enough nitrogen to replace the amount of synthetic fertilizer currently in use.
In a review of 286 projects in 57 countries, farmers were found to have increased agricultural productivity by an average of 79%, by adopting “resource-conserving” or ecological agriculture (Pretty et al., 2006).

3. Organic crops are more resilient than conventionally grown and GM crops

Organic corn yields were 31 per cent higher than conventional yields in years of drought. These drought yields are remarkable when compared to genetically modified (GM) “drought tolerant” varieties, which showed increases of only 6.7 per cent to 13.3 per cent over conventional (non-drought resistant) varieties.
The effects of climate change bring more uncertainty to farming, with increased drought predicted for some parts of the country. It has become obvious that weather patterns are changing, and looking to the future, food crops will need the resilience to adapt.

4. Organic farming is more efficient than conventional farming

Conventional agriculture requires large amounts of oil to produce, transport and apply fertilizers and pesticides. Nitrogen fertilizer is the single biggest energy cost for conventional farming, representing 41% of overall energy costs. Organic systems used 45% less energy overall than conventional systems. Production efficiency was 28% higher in the organic systems, with the conventional no-till system being the least efficient in terms of energy usage.
The extra energy required for fertilizer production and farm fuel use in conventional systems also contributes to greenhouse gas emissions (GHG). Conventional systems emit almost 40% more GHG per pound of crop production in comparison to the organic systems.

5. Organic farming builds healthier soil

While short-term benefits are realized with the use of chemical fertilizers and mechanized production methods, every gardener knows that soil health cannot be compromised in the long term. Eventually, soil-depleting practices take their toll as soil structure weakens, microbial life declines and erosion removes valuable topsoil from farmland.
The Rodale study found that overall soil health is maintained with conventional systems, but soil health is improved when using organic farming practices. Organic farming practices improve moisture retention which creates water ‘stores’ which plants can draw on during times of stress due to drought and high winds.
According to the Environmental Working Group and soil scientists at Iowa State University, America’s “Corn Belt” is losing precious topsoil up to 12 times faster than government estimates.

6. Organic farming keeps toxic chemicals out of the environment

Conventional systems rely heavily on pesticides (herbicides, insecticides, fungicides) many of which are toxic to humans and animals. With more than 17,000 pesticide products (agricultural and non-agricultural) on the market today, the EPA is unable to keep up with adequate safety testing. In fact, the EPA has required testing of less than 1% of chemicals in commerce today.
Many studies link low level exposure of pesticides to human health problems, and chemical residue from pesticides used in farming can be commonly found in air and water samples as well as in the food we eat.
Inactive ingredients in pesticide and herbicide formulations have been found to be as toxic as active ingredients, but are not tested for human health impacts.

7. Organic farming creates more jobs




Industrial agriculture has replaced human hands with machines and chemical inputs. According to the EPA, in the last century agricultural labor efficiency increased from 27.5 acres/worker to 740 acres/worker. Joel Salatin, organic farmer and author of best-selling books on sustainable farming, views these statistics as another reason for us to return to our farming roots. “People say our system can’t feed the world, but they’re absolutely wrong,” he says, “Yes, it will take more hands, but we’ve got plenty of them around.”
One important aspect to consumer support of conventional farming practices is the cost of food. Organic produce and meat is higher priced than non-organic counterparts. But, according to Joel Salatin, we get what we pay for. “We spend around 10% of our income on food and some 16% on health care, and it used to be the reverse.”
Our current food production system is in need of repair. We need to promote organic systems which respect the integrity of soil health and sustainable systems. Until recently it was thought that our national and global food needs were too big to be met with natural, organic food production systems. Recent studies confirm, however, that organic farming is the way of the future. We need, both collectively and as individuals, to support the organic food movement to enable the process to move forward with the research, seed development and farming practices needed to feed a hungry world.
 

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