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soil dirt
Columns, Crops

The soil test results have arrived

The best results are only as good as the plans you implement to deal with them

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Complete tasks as you think of them. I can’t stress this enough. You see, there’s this rock. It’s big. And it’s sitting along the western edge of the pastureland I broke last fall. I nicked it with the Wishek disc I rented in October to mince the sod. I should have dealt with it then. […] Read more
Soil background
Columns, Crops

The making of a healthy soil

“Soil health” is a popular topic, but Les Henry says the fine points are mostly spin

By
We hear a lot about soil soil health these days so thought I should brush up on the literature. To give the punch line first: in my opinion it is mostly spin. Any introductory course or soils textbook starts by picking a hypothetical pound of ground and revealing the basics. Soil is half solids and […] Read more
This Solonetzic soil has a columnar- structured B horizon, which restricts water and root penetration into sub-soil.
Columns, Crops

Learn to manage your sodic soils

Got sodic soils on your farm? Here are three options for managing those areas

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In the last issue of Grainews I discussed the physical and chemical characteristics of sodic soils. In this issue, I’ll discuss managing those soils. Solonetzic soils in the brown or dark brown soil zones of southern Alberta or southern Saskatchewan, that are in native grassland may be best left in their native condition and used […] Read more
(click image for larger view)
Columns

Stubble soil moisture, November 1, 2015

Les Henry’s annual soil moisture map gives us a true view of water availability

By
This map shows the best estimate of subsoil moisture from three inches to four feet. First — this is a map of general conditions in general areas. Do not get too hung up on the exact placement of lines. But, it is still very useful in planning for 2016 outcomes. With a soil full of […] Read more
There are miles and miles of microscopic fungi “root” hairs in this soil ball creating a vast network of pockets to capture water and create a microclimate for other microorganisms, protozoa, amoeba, bacteria and enzymes — all key elements in nutrient-cycling process.
Cattleman’s Corner

Soil fungi key to grass production

The soil is a complex world working hard to complete natural cycling

By
We always enjoy the cattle on 4-Clover Ranch near Rocky Mountain House, Alberta. It was our own animals back in the day and now someone else’s are on the farm for summer grazing. Fact is, we are really grass farmers and have chosen to harvest the grass with cattle rather than the haybine. We have […] Read more
soil
Columns

Diagnosing your own sodic soils

Do you have sodic soils on your farm? Here's how to find out for sure

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Sodic soils have a high level of exchangeable sodium (Na+) which can have a negative effect on soil quality, crop growth and yield. These soils often develop on naturally occurring high-sodium glacial till parent materials. Soil enrichment of sodium by groundwater movement can also cause sodic soil development. Sodic soils often have very poor soil […] Read more
Buffer strips are not that efficient
Crops, Features

Buffer strips are not that efficient

Riparian buffer strips’ reputation for filtering nutrient runoff may be overblown

By
Buffer strips around cropland are typically viewed as “filters,” taking up excess nutrients before they can reach waterways. Some provincial governments are considering legislation requiring farmers to leave buffer strips. However, new work from the University of Manitoba questions their effectiveness. Dr. David Lobb, senior research chair for the Watershed Systems Research Program and a […] Read more
Cutaway of Plant and Roots in Dirt
Crops, Features

Studying soil responses to sulphur

U of S researchers look at responses to sulphur fertilizer in different soil zones

By
Will farmers see a yield bump from sulphur, given that most soils aren’t severely depleted? How tolerant are crops to sulphur fertilizer in the seed-row? How long does it take for plants to use sulphur? Those were a few of the questions Dr. Jeff Schoenau, University of Saskatchewan soil scientist, set out to answer at […] Read more
Tile drainage in progress south of Melfort, October 2014. The water table was high and tiles were running as soon as installed. The drain outlet is Melfort Creek. This project is on the Alan Hurd farm. Mark Gordon of Agri-Trend provided the soil EC mapping of the site and Stu Brandt of NARF (Northeast Agricultural Research Foundation) installed the observation wells and is monitoring the site.
Columns, Crops

Soil salinity: causes, cures, coping

After recent wet years, we’re seeing salinity again. Learn to cure it or cope with it

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A few years back we predicted that the super wet years would lead to a marked increase in soil salinity. It is now happening. In this piece I am not going to talk about Solonetzic soils or true Alkali (high pH , low salts) soils. I’m talking only about saline soils — soils that have […] Read more
soil
Columns, Crops

Diagnosing and managing acid soils

Acidic soils can restrict plant growth. Learn how to recognize and manage these soils on your farm

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Soils with a pH ranging between 6.0 and 8.0 are suitable for most crops on the Prairies. Soils with a pH range between 6.5 to 7.5 are considered to be near neutral. Soil pH between 6.0 to 5.6, 5.5 to 5.1 and < 5.0 are considered to be moderately acidic, strongly acidic and very strongly […] Read more

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