Ontario Agriculture

The network for agriculture in Ontario, Canada

Tips To Lowering Bruise Rates – It’s A Full Season Process

Before Planting

• Select fields that are best suited for growing potatoes and are free from excessive rocks.  Investigate the soil conditioning technics presently adopted throughout Europe, if unavoidable.

• Avoid tillage practices that create clods that will not break down during the growing season.  Rotary tillage methods prevent clods in clod prone soils.

 

During the Growing Season

• Use a balanced fertility program to keep vines green until shortly before top-kill.

 

Pre-harvest Preparation

• Train all harvest personnel about bruise prevention.

• Install padded chains on harvesting and handling equipment, and replace when worn.

• Adjust harvester chain conveyor speed in relation to ground speed to maintain a full, uniform flow of potatoes on each conveyor.

• Install padding on the harvester at points where potatoes may be bruised.

• Adjust digger blade height on harvesters and windrowers so potatoes do not bump into the front of the primary chain.

 

Top-Killing

• Kill the vines fourteen to twenty-one days before harvest to allow the skins to properly mature.

• Use mechanical toppers for stubborn – hard to kill vines.

• Apply a pre-harvest irrigation at least one week before digging to soften clods and rehydrate tubers.

 

Harvesting

• Harvest potatoes only when tuber pulp temperatures are 8°C to 20°C (45°F to 65°F).

• Keep drops to a minimum, adjust web transfers for optimal drop level.

• Avoid using web shakers to separate soil and clods on windrower & harvester.

• Check potato touched areas within harvester and ensure all controllable bruise points are changed (hex bolt heads to round head bolts, exposed guard edges etc.)

• Keep harvester boom close to the pile on the truck.

• Do not walk on potatoes while putting on the tarp.

 

At the Storage

• Pile potatoes in a stair-step manner to prevent roll down on the pile face.

• Keep drops to a minimum.

• Maintain high humidity in storage unless drying is required to control rot problems such as late blight

or water rot.

 

-------------------------------------------------------------------------------------

Paul Smith is the owner of Northern Equipment Solutions and based in Central Ontario, Canada. Providing Quality Potato Equipment, Precision Agriculture and Other Advanced Equipment, Northern Equipment Solutions ensures that your profits and yields are maximized. www.northernequipment.ca or sales@northernequipment.ca

Views: 247

Comment

You need to be a member of Ontario Agriculture to add comments!

Join Ontario Agriculture

Comment by Iain Robson on December 20, 2012 at 11:30pm

That makes perfect sense. I am not sure how my in-laws do it. I think they use herbicide primarily, but I will definitely ask them about something like the GKB.

Comment by Paul Smith on December 20, 2012 at 4:01pm

The secret with it is to be proactive and work the soil before roots have set for the weeds

Comment by Iain Robson on December 20, 2012 at 11:22am

I just realized that I talked to you on twitter as well. That is too funny. 

Nice videos on the channel. I checked them out. 

I wonder how that GKB would work in weedier areas.

Comment by Paul Smith on December 20, 2012 at 10:00am

You mechanically weed the soil by disturbing the side of the seed hills just after emergance of the plant but before closure of the canopy, I have a video of a Baselier GKB mechanical weeder on my youtube page www.youtube.com/ontpotatoequip, along with a few other pretty cool potato equipment videos I think you may like

 

Seeing how this is done is easy then trying to explain it

Comment by Iain Robson on December 19, 2012 at 11:13pm

I understand chemical control of weeds, but how would you control weeds mechanically without harming the potatoes in this case?

Comment by Paul Smith on December 19, 2012 at 2:59pm

I would suggest a good weed control program either chemical or mechanical.  By reducing the competition for nutrients from the weeds, quality and yield will improve as well as profits.  Topping would only ease issues during harvest, which to me would be too late.

Grimme Single row harvesters dont like weeds and that would make harvest very difficult, if the weeds can be controlled it would help out many things.

Comment by Iain Robson on December 18, 2012 at 11:41pm

I shall mention topping to my in-laws and see what they have to say about it.

Here are some facts about their farm:

  • 200 acre farm 25 of which are potatoes
  • they have many weeds in their fields
  • they have a sprayer that attaches to the back of a tractor
  • they have a grimi single row harvester

Now that you have a bit more information, what are your thoughts on them using topping?

Comment by Paul Smith on December 18, 2012 at 10:29am

Topping can always be an option, its just a matter of economics, as to if it is the correct solution for them.  Items like farm size, harvest method, type of harvester, wether they have their own sprayer all come into effect, so it is a difficult question to answer without full details of the operation

Comment by Iain Robson on December 17, 2012 at 11:28pm

Interesting. My in-laws don't harvest them green then. They usually do it around Thanksgiving. However, they sell their potatoes to the market. Would topping still be an option for them?

Comment by Paul Smith on December 17, 2012 at 2:35pm

Baselier is by far the best topper available, which originates in Europe.  They are the only ones who have dynamically balanced shafts and are more robust then others on the market.

Toppers are fairly cheap compared to the cost per acre of Reglone if multiple passes are needed for vine kill

Harvesting green is primarily used for very early market potatoes and for whats called field fry process potatoes which is direct from field frying potatoes.  These potatoes are usually harvested before the full the tops can be properly killed off, thats why the call it harvesting them green.

Agriculture Headlines from Farms.com Canada East News - click on title for full story

Trade with China

China’s Anti-Discrimination Investigation On March 8, 2025, China’s Ministry of Commerce (MOFCOM) announced the outcome of its anti-discrimination investigation initiated in September 2024 as a result of the federal government’s imposition of tariffs on Chinese electric vehicles, steel and aluminum. In response to Canada, China’s State Council Tariff Commission will impose a 100 per cent tariff rate on Canadian canola oil and canola meal along with several other tariffs on other Canadian agricultural commodities as of March 20, 2025. Tariffs from the State Council Tariff Commission resulting from the anti-discrimination investigation are separate and distinct from China’s anti-dumping investigation into imports of Canadian canola seed which is ongoing. China’s Anti-Dumping Investigation On August 12, 2025, China’s Ministry of Commerce (MOFCOM) announced its preliminary ruling as part of its anti-dumping investigation into Canadian canola seed imports. In its ruling, MOFCOM announce

Advocating for Trade and Market Diversification on The Hill

Canadian canola farmers are navigating major trade volatility. Ongoing tariffs have closed access to China, once a $4.9 billion market, while uncertainty around the upcoming Canada-U.S.-Mexico Agreement (CUSMA) review is putting Canada’s two largest export markets under pressure. At the same time, Canada’s growing biofuels sector offers a valuable opportunity for canola farmers. With strong policy support, biofuels can drive new domestic demand for canola and reduce farmers’ exposure to trade disruptions. Canada’s canola farmers rely on predictable market access. These shifts show how quickly geopolitical issues and national policies can ripple back to the farm gate.  As the national representative of Canada’s 40,000 canola farmers, Canadian Canola Growers Association (CCGA) has been front and centre with the federal government, calling for a political solution to the China tariff dispute and for a canola-friendly biofuels policy.  Canola’s Annual Lobby Day Every year, the Board o

Revitalizing rural and agricultural infrastructure

Since 2023, Alberta’s government has taken action to support ag societies through the Agricultural Societies Infrastructure Revitalization Program, strengthening the quality of life in rural communities. The program has delivered $7.5 million in total grants for 106 ag society projects over the past three years, including funds allocated this year. This funding has helped ag societies with improvements and repairs to commercial kitchens, roofs, horse riding arenas and heating and ventilation in ice rinks, and has increased accessibility and energy efficiency in rural facilities. Alberta’s rural communities need up-to-date facilities to promote community involvement and economic growth. These buildings are central hubs, offering residents the opportunity to gather, engage and connect with their neighbours. “Ag societies have an important role in the quality of life for Alberta villages, towns and rural communities. Throughout the year they welcome Albertans to community events, from l

Canada makes commitments to international ag

Canada will spend almost $400 million to support farmers around the world

Growth Promoters and the Environment Revisited

In October 2021, this column described a research project that examined how long residues from growth promoters persist in the feedlot environment. They learned that residues from trenbolone acetate (TBA; used in some growth implants to mimic testosterone) and melengestrol acetate (MGA; sometimes fed to heifers to suppress estrus) dissipate very quickly after they’re excreted. However, residues from ractopamine (a feed additive that improves feed efficiency, weight gain and leanness late in the feeding period) could be found on the pen floor for up to five months after it was last fed. Jon Challis and collaborators at Agriculture and Agri-Food Canada and the University of Saskatchewan recently published a follow-up study to learn whether manure composting, stockpiling or soil incorporation help break down ractopamine residues and whether ractopamine residues can affect hormone levels in other organisms that may come in contact with them in the environment (“Chemical and bioassay-based

© 2025   Created by Darren Marsland.   Powered by

Badges  |  Report an Issue  |  Terms of Service