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Soil Health

CVP Soil Health

Excess rains and droughts of the past decade pointed out the poor health and productivity of soils on many local vegetable farms. Coupled with high fuel prices and high fertilizer prices, growers have been eager to improve their soil management efforts. Reduced tillage leads to less fuel use and legume cover crops allow the farmer to grow nitrogen fertilizer, reducing their need for conventional fertilizer and the fuel and labor to apply it.

The Cornell Soil Health Test can be used to determine your field's soil management for percentage of water-stable aggregates. A soil with low % water-stable aggregates has  poor crop emergence, more crusting, more runoff, reduced root growth, increased root diseases, and fewer beneficial microbes to cycle soil nutrients.

Vegetable farms using conventional tillage and few cover crops had an average of just 18% water-stable aggregates, while farms using reduced tillage or extensive cover cropping averaged 36-39%. Innovative growers are now beginning to adopt both strategies to improve soils even more.

In addition, the Cornell Vegetable Program is working with a number of conventional and organic vegetable growers on increasing the use of a wide range of cover crops to fill open niches in rotations to improve soil health and grow nitrogen.






Relevant Event

Urban and Small-Scale Growers Meeting

April 5, 2024 : Urban and Small-Scale Growers Meeting
Buffalo, NY

Management Practices for High Organic Matter Soils: Urban Case Studies

Lori Koenick, Project Assistant
Cornell Vegetable Program

Last Modified: February 6, 2024
Management Practices for High Organic Matter Soils: Urban Case Studies

We are exploring management practices for vegetable farmers with high organic matter soils. These soils are usually found in urban growing areas as urban farmers typically grow in imported soil mixtures that have been constructed over time and in high tunnels where leaching events are limited. In both cases, we see that soil pH and calcium levels can increase due to alkaline irrigation water and with grower inputs such as high levels of compost and/or fertilizer. We commonly see limited plant nutrient uptake due to high soil pH. We have produced four "Management Practices for Urban Soil Health" case studies sharing project updates in our urban cover crop, pH adjustment, and bulk density adjustment work. In each case study, we are looking at the effect of the management practice on soil and crop health. 


Factsheet: Greenhouse Gases and Soil Organic Carbon in Vegetable Production

Elizabeth Buck, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 15, 2022
Factsheet: Greenhouse Gases and Soil Organic Carbon in Vegetable Production

The intersection of agricultural production and greenhouse gases is gathering increasing attention. This is an opportune time to consider how vegetable production interacts with carbon sequestration and greenhouse gas emissions, and how using cover crops may alter this picture. 

The factsheet, Greenhouse Gases and Soil Organic Carbon in Vegetable Production and the Role of Cover Crops, discusses:

  • Sequestration of atmospheric carbon in agricultural soils as soil organic carbon (SOC). Is vegetable production impacting SOC?
  • Net greenhouse gas emissions of carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4) from the soil.
  • Impact of cover crops on soil organic carbon, nitrous oxide emissions, and other GHG emissions.


Video: Farmer Ingenuity - Combining Plastic and Living Mulch

Last Modified: May 2, 2022

In this how-to video, we show how farmers combine plastic and living mulch to reduce weed pressure, improve soil health, and harvest cleaner vegetables. Now that's a win-win-win!


Video: Winter Cover Cropping in High Tunnels -- March 2021 Update

Judson Reid, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: March 16, 2021

To meet the year-round demand for locally produced food, vegetable farmers have embraced protected agriculture to extend their growing season, improve yields, and enhance crop quality. However, a statewide survey found that after several growing seasons, farmers struggle to maintain productivity due to challenges in long term soil health and fertility management. Cornell Cooperative Extension is exploring practices that high tunnel growers can adopt to better manage soil fertility and improve soil health. 

One practice is including winter cover crops in rotations as a way to scavenge leftover nitrogen and/or fix nitrogen. In turn, this could lead to less fertilizer use and result in higher crop health, yield, quality, and profitability. As part of this work, we are investigating suitable cover crop species, seeding dates, and seeding rates. This video highlights this project's goals and preliminary updates as of March 2021.


How to Take a Soil Sample

Amy Ivy, Vegetable Specialist
Eastern New York Commercial Horticulture

Last Modified: January 14, 2019
How to Take a Soil Sample

Soil sampling is an important part of managing your crops, but it's important to do it correctly. In this video, ENYCHP vegetable specialist Amy Ivy demonstrates how to take a soil sample.


High Tunnel Best Management Practices for Long Term Soil Health and Fertility

Judson Reid, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: March 19, 2018
High Tunnel Best Management Practices for Long Term Soil Health and Fertility

These best management practices were selected by experienced high tunnel growers and extension staff as a result of a four year project tracking economic, soil and irrigation water data from high tunnels across New York State. They can be used remedially, or implemented in a new high tunnel system.

Adding Cover Crops to Your Farm? Consider the Herbicide Rotation Restrictions

Darcy Telenko, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 19, 2016
Adding Cover Crops to Your Farm? Consider the Herbicide Rotation Restrictions

One challenge to adding cover crops to your vegetable production system is that herbicides with residual activity may interfere with cover crop establishment and growth. Residual herbicides are a key management tool in vegetable production, especially for management of difficult weeds and their potential to help control herbicide-resistant weeds. Here are some questions to consider when utilizing a cover crop and how well it will work with your herbicide program.

Cover Crops for Vegetable Growers Website

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: August 17, 2015
Cover Crops for Vegetable Growers Website

This website enables growers to use a broader range of cover crops to improve soil health in many ways. Cover crop descriptions, seeding, seed sources, cost and management challenges are included.




Soil Health Grant Offers Cover Crop Evaluations and the Cornell Soil Health Test

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 22, 2014

The Cornell Vegetable Program just received a two year grant to work with vegetable, potato and dry bean growers in the Cornell Vegetable Program Region to increase or diversify their cover cropping, and/or to reduce tillage. For cooperating growers soil sampling, soil testing, and interpretation for the Cornell Soil Health Test (CSHT) will be free. Evaluation of biomass, weed growth, nitrogen produced, crop response, etc. can be done for new cover crop plantings being tried. Reduced/zone-tilled crops planted side by side with conventional crops can also be evaluated. Field days are part of this grant, as is assistance for grower discussion groups/grower-to-grower networking.

More money than ever is available as an incentive for adoption of good soil health practices!

SARE Cover Crop Topic Room: Current Research from Across the Nation

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: June 7, 2013
SARE Cover Crop Topic Room: Current Research from Across the Nation

A section of the Sustainable Agriculture Research & Education (SARE) website, the cover crop topic room provides educational materials developed from cover crop research. Topics include selection and management, economics, establishment, rotations, soil and fertility management, water management, pest management, and no-till.

Making the Most of Cover Crop Mixtures

Last Modified: April 22, 2013
Making the Most of Cover Crop Mixtures

Cover crops are an important tool that farmers can use to generate benefits and services on the farm and for society, including improved soil health, nutrient supply to cash crops, weed suppression, insect pest management, forage production, pollinator resources, and clean water and air. There are many different cover crop species to choose from, and each cover crop species has different abilities to provide the services described above. Planting a mixture of cover crop species is one strategy that can be used to enhance and diversify the benefits that a cover crop provides. This article will describe some of the basic concepts to consider when planning a cover crop mixture, such as meeting different farm management objectives, selecting complementary species, and methods for establishing cover crop mixtures.

Preventing Muck Soil Erosion by Reducing Tillage in Onion Production

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: January 7, 2013
Preventing Muck Soil Erosion by Reducing Tillage in Onion Production

The problem with using conventional tillage practices for onion production on muck soils is that it results in the subsidence of muck via wind and water erosion and oxidation of organic matter at a rate of one foot every 10 years, which is not sustainable for preserving these non-renewable natural  resources for long-term productivity. Onions are one of the most valuable vegetable crops produced in New York State with the majority of the 13,000 acres being grown on muck soil. Producing onions using conventional tillage practices results in degradation of soil health and increased subsidence.


more crops
Asparagus

Asparagus

Beets

Beets

Broccoli

Broccoli

Brussels Sprouts

Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cucumbers

Cucumbers

Dry Beans

Dry Beans

Eggplant

Eggplant

Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Horseradish

Horseradish

Kohlrabi

Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Onions

Onions

Parsnips

Parsnips

Peas

Peas

Peppers

Peppers

Potatoes

Potatoes

Pumpkins / Gourds

Pumpkins / Gourds

Radishes

Radishes

Rhubarb

Rhubarb

Rutabaga

Rutabaga

Snap Beans

Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

Sweet Corn

Sweet Corn

Sweet Potatoes

Sweet Potatoes

Tomatoes

Tomatoes

Turnips

Turnips

more crops

Upcoming Events

Oswego Muck Onion Growers Pre-Season Meeting: Stop the Rot, Nematodes and SLB Fungicide Resistance

Event Offers DEC Credits

March 20, 2024
Phoenix, NY

Christy Hoepting and Frank Hay will get growers ready for the season with updates on managing Stemphylium Leaf Blight fungicide resistance, progress made towards understanding and managing bacterial bulb rot of onion, and results of the 2023 nematode survey and research project. 2.5 DEC recertification credits will be offered in categories 1A, 10 and 23.

2024 NYS Dry Bean Meeting and Cutting Event

Event Offers DEC Credits

March 22, 2024
Geneva, NY

The NYS Dry Bean Meeting will be paired with the annual Dry Bean Cutting Event again this year! The morning meeting will include presentations on the latest dry bean research in New York, with topics including market updates, white mold management, western bean cutworm management, dry bean variety testing, and incorporating NY dry beans into schools. 1.5 DEC credits will be available in categories 10, 1a, 21, 23. CCA credits will be available too.

The Dry Bean Cutting will follow the meeting and showcase the canned dry beans from the 2023 Dry Bean Variety Trial. 

Collaborative and Alternative Marketing for Farmers - Learning from Those Who are Doing It

March 25, 2024

Join us for a virtual panel discussion meeting where panelists will share their marketing enterprise, why and how it came to be, and what it takes for groups of farmers to work together to improve their marketing opportunities. Then the floor will be open for Q/A and discussion with the audience. The goal of this effort is to learn about these types of marketing alternatives, what it took to put them together, and maybe get interest enough from those attending to explore new collaborations. 

Announcements

JOB POSTING: Onion Crop Scout

Be a Vital Part of New York Onion Production!

We are looking for someone who appreciates agriculture to scout commercial onion fields in Oswego Co. and/or Wayne Co. for 13 weeks during the summer, maximum 19 hours/week, who would return to the seasonal position annually.

As an Onion Crop Scout for the Cornell Vegetable Program (CVP), you will independently scout 11 commercial onion fields collecting data on insect pests, diseases, weeds and crop stage/quality. Scouting data will be summarized into a preliminary report which is finalized by Cornell's Onion Specialist. Growers use the scouting reports to inform their spray decisions, which enables an integrated approach to pest management. Your hard work will ensure grower engagement, implementation of research-based recommendations, and early detection of emerging issues. It is the "beating heart" of CVP's onion program.

Pay: $18.50/hr. No benefits. Personal mileage will be reimbursed at the federal rate.

Key Qualifications & Skills:
  • High School diploma and 6 months experience in an agriculture setting, or the equivalent combination of education and experience.
  • Must be able to meet the travel requirements of the position and have reliable transportation as well as have and maintain a valid and unrestricted New York State driver's license.
  • Visual concentration and attention to detail are required to detect pests and pest damage.
  • Able to work independently in collecting and summarizing data.
  • Must be able to work outdoors in all types of weather.
  • Proven experience in communicating effectively, both written and oral.
  • Preferred: Experience working with plants, plant disease and other pest identification.
Training will include being accompanied by a veteran onion scout for the first season with the intention of scouting independently in the second year, and ideally for several more years after.

Flexible on start and end dates, day(s) of week you work, and whether Oswego or Wayne or both counties are scouted. Our priority is finding someone who will return to the position annually.

Read details about the Onion Crop Scout position.

To apply (resume and cover letter): http://tiny.cc/Onion_Scout_WDR_00043345

Management Practices for High Organic Matter Soils

We are exploring management practices for vegetable farmers with high organic matter soils. These soils are usually found in urban growing areas as urban farmers typically grow in imported soil mixtures that have been constructed over time and in high tunnels where leaching events are limited. In both cases, we see that soil pH and calcium levels can increase due to alkaline irrigation water and with grower inputs such as high levels of compost and/or fertilizer. We commonly see limited plant nutrient uptake due to high soil pH. We have produced four "Management Practices for Urban Soil Health" case studies sharing project updates in our urban cover crop, pH adjustment, and bulk density adjustment work. In each case study, we are looking at the effect of the management practice on soil and crop health. 

Management Practices for Urban Soil Health: Cover Cropping
Management Practices for Urban Soil Health: pH Adjustment
Management Practices for Urban Soil Health: pH Adjustment in NYC
Management Practices for Urban Soil Health: Correcting Nutrient Test Results for Soils with High Organic Matter

2023 Year in Review and 2024 Preview

As the Cornell Vegetable Program reflects on 2023, we want to thank you for your partnership and continued support of our team and the work we do to address issues impacting the commercial vegetable industry in the western and central portion of NYS. Our 2023 Year in Review and 2024 Preview report highlights of some of the many research and outreach programs led by our team members over the last year plus a look ahead to some of our plans for 2024.
  • Use of Ground Barriers as a New Strategy for Swede Midge in Brassicas for Small Organic and Urban Farms
  • Cornell Vegetable Program Responds to Late Blight in 2023
  • Working Groups Help to Improve the Western NY Food System
  • Field Trials Completed to Test Lasers as a Bird Deterrent in Sweet Corn
  • Increased Monitoring of Western Bean Cutworm in Dry Beans
  • Sweet Potato Varieties Suitable for Western NY Production?