Calcium Products - Items filtered by date: May 2008
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Calcium Products - Items filtered by date: May 2008

Great Resource for Flooded Fields

The University of Nebraska has a list of almost 40 articles relating to flood, hail, and wind damaged crops. The articles are from Iowa State, Nebraska, and Minnesota, and deal with a number of crops.

http://lancaster.unl.edu/ag/crops/storm.shtml

 

 

The Blogronomist is maintained by Craig Dick, head blogronomist and VP of Sales and Marketing. Here you will find a wide array of blog articles from Craig and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!

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Return of White Mold

The cooler than normal weather, all the rain and higher humidity could mean the return of white mold.

White mold, also known as sclerotinia stem rot, is caused by the fungus Sclerotinia sclerotiorum. It appears as fluffy white mycelial growth, most prominently on the stems. White mold is heavily influenced by weather and microclimatic conditions. Progress of the disease is favored by below-average air temperatures, high relative humidity, and soil moisture. When these conditions occur during the two weeks prior to peak flower on the lower stems, the disease incidence can be especially severe.

With higher commodity prices growers have been managing for higher yield levels. Many of the practices associated with these trends— shorter rotations, narrower rows, earlier planting—create a less healthy environment that favors white mold development. At the Iowa State ICMC conference it was suggested to avoid white mold don’t try and grow high yielding soybeans. Thanks for the help!

You could try a variety that is resistant to white mold, but those varieties are usually lower yielding than the susceptible genetics.

If you want high yielding white mold free soybeans, start with the soil. I showed Craig Grau, Professor of Plant Pathology, University of Wisconsin- Madison our research on stopping white mold. He told me that yes gypsum applied before planting is a great preventative to white mold.

 
See our research on white mold. Don't give up on high yielding soybeans, start with Super Cal SO4, pelletized gypsum

 

 

The Blogronomist is maintained by Craig Dick, head blogronomist and VP of Sales and Marketing. Here you will find a wide array of blog articles from Craig and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!

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The Gypsum and Soil Experts

Last week Morris Marsolek, consultant to Calcium Products, Jim Milam, Turf Sales with Calcium Products, and I spent a day in Los Angeles. While it was not really a vacation, the weather was a nice break from tornados, hail and down pours.

The reason for my trip was to meet the owners of Wallace Laboratories. Calcium Products has long relied on the expertise of Dr. Arthur Wallace and Dr. Garn Wallace.

Many agronomists and researchers in the Midwest may not have heard of the Wallaces, however west of the Rockies they are well known.

The Wallaces have over 70 years of combined experience in plant physiology, soil science, ecology and plant nutrition with over 600 publications. They have authored special issues in Soil Science, Journal of Plant Nutrition, Communications in Soil Science and Plant Analysis.

These articles cover, revegetation of disturbed lands, plant analysis to assess mineral needs of plants, determination of normal and abnormal nutrient concentrations, chelated micronutrients in plant nutrition, iron nutrition, excess trace elements in soil and plants, multiple action factors on plant growth and improvement of the physical properties of soil.

In addition to numerous publications and laboratory services, Dr. Garn Wallace also offers consulting. When we at Calcium Products have a question that we can not find the answer to, 9 times out of 10 Dr. Garn Wallace will be able answer it.

Thanks again for letting us visit, and keep up the good work!

Arthur Wallace, Ph. D., Professor Emeritus, UCLA, Department of Agricultural Sciences (Soil Science and Plant Nutrition). Dr. A Wallace organized the first Iron Symposia, which is still held every year at a different location around the world. He has written many paper about he benefits of gypsum and PAM.

Garn A. Wallace, pH. D. earned his doctorate degree from UCLA in the Department of Biochemistry. He worked as a research biochemist in the Laboratory of Biomedical and Environmental sciences before forming Wallace Laboratories with Arthur Wallace. Garn has over 100 publications in the fields of plant nutrition, soil science, microbiology, plant physiology, ecology, soil conditioners, mineral excesses, water relationship in plants, mineral toxicities etc.

Wallace Labs is located at 365 Coral Circle, El Segundo, CA 90245, (310) 615-0116.

http://us.wlabs.com/

Many of the books written by Drs. Wallace are available on their website.

 

 

The Blogronomist is maintained by Craig Dick, head blogronomist and VP of Sales and Marketing. Here you will find a wide array of blog articles from Craig and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!

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Flooding Continues

From Dave Varner
UNL Extension Educator

The rain continues to fall and questions related to replant decisions are common these days. The following are a few Iowa State University resources that will be of interest to many of you.

1. Effect of Flooding on Emerged Soybeans (6/1/2008)

http://www.extension.iastate.edu/CropNews/2008/0531PallePedersen2.htm

2. Soybean Replant Decisions from Hail Damage and Flooded Fields (6/1/2008)

http://www.extension.iastate.edu/CropNews/2008/0531PallePedersen.htm

3. Replanting Corn – How Do You Get Rid of the Existing Stand? (6/1/2008)

http://www.extension.iastate.edu/CropNews/2008/0531MikeOwen.htm

4. Replant Options in Corn Fields (6/1/2008)

http://www.extension.iastate.edu/CropNews/2008/0531MikeOwen2.htm

5. Flooded Corn and Saturated Soils (5/30/2008)

http://www.extension.iastate.edu/CropNews/2008/0530RogerElmoreLori+Abendroth.htm

6. Now Grow! (No, Not You, Weeds) (5/27/2008)

http://www.extension.iastate.edu/CropNews/2008/0527pope.htm

 

 

The Blogronomist is maintained by Craig Dick, head blogronomist and VP of Sales and Marketing. Here you will find a wide array of blog articles from Craig and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!

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Trade your rotary hoe for SuperCal SO4

Last weeks Iowa Farmer Today as an article in it “Crusted soils, uneven emergence prevail”. Its focus is on using a rotary hoe to alleviate crusted soils. It discusses damage to stand and that there is a cost in fuel and time to hoe a field.

While hoeing maybe your only option at this point in the season, wouldn't be best to adopt practices that reduce or eliminate crusting. Applying 150 to 300 pounds of SuperCal SO4 will prevent crusting on most soil types.

Think you can’t afford it? For $15 to $30 per acre you can apply SuperCal SO4. What is the cost of hoeing, according to the University of Nebraska’s 2008 Custom farming rates, $12 per acre? What about yield loss due to stand count? What if the field is crusted enough that stand is reduced enough that you have to replant?

200 bushel corn, 10% yield reduction due to stand loss, at $5 corn = $100 per acre lost to crusting.

SuperCal SO4 is not just insurance for crusting and yield loss. SuperCal SO4 provides 17% sulfur. It is the only source of sulfur that does not cause soil acidity, is plant available and will cost you less than other fertilizers. Iowa State reports that 82% of the sites had a statistically significant yield increase to applied S fertilizer, and yield increases averaged 15, 18, and 38 bu/acre.

Use SuperCal SO4, eliminate crusting, increase yields, and sell the rotary hoe.

 

The Blogronomist is maintained by Craig Dick, head blogronomist and VP of Sales and Marketing. Here you will find a wide array of blog articles from Craig and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!

Read more...
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