Beneficial insects, bug database helpful

July 8, 2011

Beneficial insects, bug database can help organic gardens

In midsummer, the number of blights, pests and other issues that can plague the organic garden can seem overwhelming.
There are two resources we’ve used to address some of them; first is adding beneficial insects to control pest outbreaks; second is a computer database that can instantaneously diagnose the various symptoms and offer certified organic solutions.
Ladybugs are the most popular beneficial insect for the garden. We bought some to control an aphid outbreak the year before last and they are still prolific; we have also bought praying mantids.
According to Peaceful Valley Farm & Garden Supply, which sells ladybugs, they are capable of consuming up to 50 to 60 aphids per day and one ladybug can consume many as 5,000 aphids in its lifetime.
They also eat a variety of other insects and larvae including scales, mealy bugs, leaf hoppers, mites and various types of soft-bodied insects.
Typically, ladybugs are sold in large numbers; 70,000 ladybugs per gallon, or 18,000 per quart. Use one gallon for up to three acres. In orchards, use one gallon per acre. Grain crops may require as little as one gallon for every 10 acres.
For melons and cucumbers, use one gallon for every 15 acres.
Next year, you might consider the praying mantid. It eats aphids, beetles, flies, mosquitoes, moths, caterpillars, wasps, generally, any insect it can catch. The praying mantid’s egg sac can contain up to 40,000 eggs. They usually hatch in spring.
You can buy live ladybugs and praying mantid egg sacs online (even Costco sells the latter). We bought ours from Peaceful Valley, Box 2209, Grass Valley CA 95945, phone: 1-888-784-1722, or: www.groworganic.com. And, yes, praying mantids will eat ladybugs. So, you might want to stagger them out a bit.
If you are finding strange plant symptoms, here’s a handy online resource for finding safe, organically OMRI approved non-toxic pesticide solutions at the Organic Pesticides /predators Database: http://bit.ly/g6Eqgu.
The service is provided by National Sustainable Agriculture Information Service, Box 3838, Butte MT 59702; phone: 1-800-346-9140.

Treat your kitties: Try growing catnip in your garden, or in a pot. It’s easy to grow (it’s a member of the mint family) and comes back year after year. Just take a few leaves, chop them or crumble them up, and put them on the floor or in a sock or kitty’s favorite place (not in food).
Catnip also makes a nice tea for humans. It contains nepetalactone, a natural sedative, and is anti-bacterial, anti-fungal and muscle-relaxing. (Not recommended for expectant or nursing mothers.)

Fresh produce: Just a reminder for those looking for fresh fruit and veggies: The Mississippi Farmers Market, located at 929 High St. adjacent to the fairgrounds, is open on Tuesdays, Thursdays and Saturdays from 8 a.m. to 2 p.m.
For more information, call (601) 354-6573, email FarmersMarket@mdac.state.ms.us or visitwww.msfarmersmarket.com.

Jim PathFinder Ewing is a journalist, author, writer, editor, organic farmer and blogger. His latest book titled Conscious Food: Sustainable Growing, Spiritual Eating (Findhorn Press) is in bookstores now. Find Jim on Facebook: http://bit.ly/cuxUdc or follow him @edibleprayers or @organicwriter or visit blueskywaters.com.

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‘Tilth’ helps hold soil moisture

July 1, 2011

Check ’tilth’ in organic garden for soil moisture

I guess weird weather is the “new normal” now, with weeks of no rain, crops fried in 100-degree days, then rain falling finally, blessedly, but perhaps too little too late for many this season.

Given the heat, now’s a good time to check the moisture holding capacity of your soil. If you have adequate tilth (loamy material) and regular watering, you should have only a light crust on the top but can push in your finger without a great deal of effort.
But if it’s too hard for a gentle push of the finger, don’t despair. It can take years to build up the soil. We’ve dumped tons, literally, on our plots and they break down rapidly with acidic, sandy soil.

Remember, with organic gardening, the soil is everything, but it’s a moving target. It’s a constant balancing act between biomass and soil digestion activity.
Take this as an opportunity for future growth: Just keep adding more compost and, in fall, more leaves or other vegetative matter to build up your tilth.
By the way, old folks used to put sawdust in their gardens. That’s fallen out of fashion, as it tends to eat up nitrogen breaking down. But if you are using foliar feeding – spraying kelp or fish emulsion to feed nitrogen for it to be absorbed through leaves – I believe sawdust could help hold soil moisture. That is, as long as it’s not chemically treated wood.
It was good enough for our Mississippi forebears and Helen and Scott Nearing – homesteaders in 1930s Maine (see their book: Living The Good Life). So, if you’ve got it, I’d use it.

Growing tip: You can grow your own natural sweetener using leaves from the Stevia plant. It’s not too late to plant to get some leaves by fall.
According to WebMD, it is useful for those who suffer from obesity, type 2 diabetes, heart disease, metabolic syndrome and other weight-related medical problems.
The leaves contain the sweet glycosides stevioside and rebaudioside, which are 300 times sweeter than sucrose (table sugar). Seeds are commonly available and can be purchased from Burpee, if not locally. It grows prolifically, like mint.
We grow it and use it. Tastes great. I like it in my tea instead of sugar.

Summer reading: I recommend: Fair Food: Growing a Healthy, Sustainable Food System for All by Oran B. Hesterman (PublicAffairs, $24.99).
Founder and head of the nonprofit Fair Food Network and a former agronomy professor at Michigan State University, Hesterman is quick to point out that he is not writing about our broken food system from the standpoint of a chef or journalist, but as someone who has experienced it from plow to plate.

The observations he makes are similar to the popular notions of journalist Michael Pollan and chef Mark Bittman, but his methods are more direct, from developing locally profitable food distribution systems in urban and rural “food deserts” to joining corporations such as Costco in developing transnational fair trade supply trains that ensure living wages for producers and reinvestment in local communities.

Fair Food is a serious book about a serious subject. It offers ideas for local communities, as well as suggestions for local, state and national policy makers (I hope members of the Legislature read this book!) It should add immeasurably to the national conversation about fixing our food – and world! – for the better.

Jim PathFinder Ewing is a journalist, author, writer, editor, organic farmer and blogger. His latest book titled Conscious Food: Sustainable Growing, Spiritual Eating (Findhorn Press) is in bookstores now. Find Jim on Facebook: http://bit.ly/cuxUdc or follow him @edibleprayers or @organicwriter or visit blueskywaters.com.