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Mary Matava Named 2022 San Diego County Farmer of the Year

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The San Diego County Farm Bureau named Mary Matava as its 2022 Farmer of the Year. Matava, involved in the region’s agriculture industry for 45 years, was recognized for her achievement at an awards dinner September 7 at the Bernardo Winery in Rancho Bernardo.

The Farmer of the Year award is presented to an active or retired farmer who has had a positive impact on the agriculture industry, is active in the community beyond agriculture, and has represented the agricultural industry publicly on behalf of farming interests.

Matava is a trained agronomist with 40 years of experience and a leading expert in soil assessment and amendments, green waste recycling, facility management, and avocado farming.

Agronomy and recycling

According to the Farm Bureau, Matava’s work involves “assessing the agronomic suitability of Southern California soils.” For the last 25 years, Matava’s company has manufactured organic soil amendments used by farmers throughout Southern California.

Agronomy is the science and technology of producing and using plants by agriculture for food, fuel, fiber, chemicals, recreation, or land conservation, soil management, and crop production.

Matava has spent much of her career studying local soils to determine what kind of nutrients are present and beneficial for crops while also finding more efficient ways to use water and reduce greenhouse gas emissions. The California Air Resources Board reports 20% of the methane emissions in California come from landfills. The Environmental Protection Agency cites methane from landfills as the third largest overall source of methane in the U.S.

Matava is the owner and operator of Agri Service, based in Oceanside, and employs 30 people. Agri Service operates compost facilities in Southern California, including the El Corazon Compost Facility in Oceanside.

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Mary Matava of Oceanside is the San Diego County Farm Bureau 2022 Farmer of the Year. Photo: San Diego County Farm Bureau

Mary Matava Named 2022 San Diego County Farmer of the Year

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The San Diego County Farm Bureau named Mary Matava as its 2022 Farmer of the Year. Matava, involved in the region’s agriculture industry for 45 years, was recognized for her achievement at an awards dinner September 7 at the Bernardo Winery in Rancho Bernardo.

The Farmer of the Year award is presented to an active or retired farmer who has had a positive impact on the agriculture industry, is active in the community beyond agriculture, and has represented the agricultural industry publicly on behalf of farming interests.

Matava is a trained agronomist with 40 years of experience and a leading expert in soil assessment and amendments, green waste recycling, facility management, and avocado farming.

Agronomy and recycling

According to the Farm Bureau, Matava’s work involves “assessing the agronomic suitability of Southern California soils.” For the last 25 years, Matava’s company has manufactured organic soil amendments used by farmers throughout Southern California.

Agronomy is the science and technology of producing and using plants by agriculture for food, fuel, fiber, chemicals, recreation, or land conservation, soil management, and crop production.

Matava fights climate change through improved farming technology

Matava has spent much of her career studying local soils to determine what kind of nutrients are present and beneficial for crops while also finding more efficient ways to use water and reduce greenhouse gas emissions. The California Air Resources Board reports 20% of the methane emissions in California come from landfills. The Environmental Protection Agency cites methane from landfills as the third largest overall source of methane in the U.S.

Matava is the owner and operator of Agri Service, based in Oceanside, and employs 30 people. Agri Service operates compost facilities in Southern California, including the El Corazon Compost Facility in Oceanside.

Since 1995, the City of Oceanside has partnered with Agri Service, Inc. to develop an innovative public-private recycling program, reducing its landfill waste while creating beneficial soil amendments, and sharing the most up-to-date industry standards. Since its inception, the compost facility has processed over two million tons of green waste into high-quality soil amendments, mulch, and potting mixes while reducing methane emissions.

Video tour of the El Corazon Compost Facility

Agri Service also operates a compost facility in Otay Mesa, open to the public. Since it opened, Agri Service has processed more than 2.5 million tons of green waste products.

Matava represents the county’s farming professionals

Matava uses her own compost products on her family’s avocado farm in South Morro Hills, where she grows six varieties of avocados.

Her focus for the future is continuing to find ways to mitigate the effects of climate change and pollution, while also producing high-quality farming products. She previously served as president of the San Diego County Farm Bureau and in a variety of roles on the Farm Bureau’s board of directors.

Matava is the second straight Farmer of the Year Winner from Oceanside. Strawberry farmer Neil Nagata, the 2021 Farmer of the Year, is also from Oceanside.

The San Diego County Farm Bureau is a nonprofit organization supporting the more than 5,700 farms within the county. The mission of the Farm Bureau is to foster San Diego agriculture through education, public relations, and public policy advocacy in order to promote the economic viability, sustainability, and community building of agriculture.

(Editor’s note: The City of Oceanside is one of the San Diego County Water Authority’s 24 member agencies that deliver water across the San Diego County region.) 

How Compost is Helping Farmers Save Water, Survive Drought

/in , , /by /Spectrum News 1by Daniela Pardo and Jackson Ellison

As California grapples with another long drought, cities across the state have implemented curbside collection programs to increase the amount of available water.

Composting turns food scraps, sticks and leaves into organic material that is then added to soil to make it more fertile.

Robert Reed, spokesperson for Recology, a waste management company, explains compost acts as a natural sponge.

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Become a Compost Champion

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Once your sustainable landscape makeover is in place, commit to best practices in maintenance. This includes regular composting.

Compost can also be used as mulch, applied directly to the soil surface. It can prevent erosion and help plants, and soil filter pollution, especially hydrocarbons and metals from road surfaces. Most greenwaste-based composts can be applied to a depth of three inches. Composted biosolids should be no deeper than two inches.

If you don’t produce your own compost on-site, it should be obtained from a reputable source that guarantees high quality. Commercially produced compost quality can vary significantly due to the diverse nature of feedstock, composting processes, and maturation standards.

Using compost as a soil amendment

For native plants in your sustainable landscaping, use roughly 15 percent compost by volume to repair disturbed or damaged soils.

Clay-based soil amended with compost will lead to more productive and healthy plant growth at a lower cost than amending the same soil with the necessary 45 percent sand.  In general, poor soils that are compacted, lifeless, or subsoils should be amended with three to six cubic yards or high-quality compost per 1,000 square feet to improve soil structure,

Biosolids-based composts should be used sparingly if they are high in ammonium nitrogen.

How do you know when it’s ready to use? Your compost is ready to use when it has an earthy smell, when it’s cooled off, and when it doesn’t reheat when stirred. The color should be uniformly dark brown or even black. You shouldn’t be able to identify any of the original particles.

This article is part of a year-long series inspired by the 71-page Sustainable Landscapes Program guidebook. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org. 

Let Nature Be Your Guide: Compost vs. Mulch

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You may not know the difference between compost and mulch, but your landscape soil does. Compost and mulch represent two different soil treatments with different advantages when used in a watersmart landscape plan.

Compost is made of organic matter such as food scraps, landscape debris, or livestock manure that have already been partially consumed and mostly decomposed by microorganisms. You cannot tell the original source of compost. Good quality compost brings the helpful OWL formula of oxygen, water, and life together in one package. It is used to amend your landscape soil by adding valuable nutrients it may be missing.

Mulch can be either organic or inorganic material that covers soil. Unlike compost, it’s not worked into the soil itself. Another difference is that the original recycled debris source of mulch is often identifiable. Mulch can be made from organic sources (grass clippings, leaf and yard litter, shredded wood trimmings) or inorganic sources such as gravel or decomposed granite (DG). Mulch is a soil topping.

Healthy, biologically diverse mulch contains microbes with the ability to “knit” the organic material together, forming a thick blanket. Mulch covers and protects the soil and plant roots from temperature swings, retains moisture by slowing down evaporation from the surface of the soil; and keeps weeds from sprouting by reducing sunlight penetration to the soil surface.

Top Tips for Using Compost

Compost the right way, including using compost as mulch to prevent erosion and help soil filter pollution. Photo: Ben Kerckx/Pixabay

Compost can be purchased, or it can be homemade. The compost-making process, or composting, involves creating the optimal conditions for the microbes to do their transformative work.

When compost looks like soil, you can work it directly into the soil. When compost is more coarse or has visible bits of the original materials, it is more likely used on top of the soil instead of as an incorporated soil amendment worked in.

Compost works in several ways. The compost itself contains particles that improve soil structure. Next, as compost decomposes in the soil, it encourages the formation of soil macroaggregates. These macroaggregates are composed of existing soil particles and decomposed organic matter, which combine to create a more stable and better functioning soil structure.

Top Tips for Using Mulch

Mulch builds soil structure over time and holds in moisture. Photo: Monsterkoi/Pixabay compost

Mulch builds soil structure over time and holds in moisture. Photo: Monsterkoi/Pixabay

Mulch always sits on the surface of your soil. It is never worked in. Recycled organic material is the most effective type of mulch because it builds soil structure over time. It creates a durable, protective barrier.

The smaller the debris pieces are, and the more mixed the organic pieces are, such as leaves with wood chips, the faster it decomposes. When building your soil, small mixed mulch is best. When compost is made from course materials like decomposed granite, you can also apply it to the top of your soil as mulch.

Artificial and inorganic mulches (DG, gravel, rubber chips) are mainly decorative. They do not contribute to soil life or plant health. They are best used in limited applications, such as creating natural pathways.

To learn more about your soil, sign up for Soil & Site Assessments virtual workshop.

This article is part of a year-long series inspired by the 71-page Sustainable Landscapes Program guidebook. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org.

Compost can be beneficial in many ways, including functioning as mulch to prevent erosion and help soil filter pollution. Photo: Ben Kerckx/Pixabay

How to Compost the Right Way

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You can make composting on-site a goal for your sustainable landscape maintenance to reduce waste and help the soil thrive. You’ll know when the compost is ready to use when it has an earthy smell, has cooled off, and doesn’t reheat when stirred. Next, look for a uniformly dark brown or even black color. You shouldn’t be able to identify any of the original particles.

Spread compost directly on the soil surface to use it as mulch. That can prevent erosion and help plants and soil filter pollution, such as hydrocarbons and metals from road surfaces. Most greenwaste-based composts can be applied to a depth of three inches. Use up to two inches of bio-solids.

If you don’t produce your own compost on site, get it from a reputable source that guarantees high quality. Commercially produced quality can vary significantly due to the diverse nature of feedstock, processes, and maturation standards.

Use compost to make healthier soil

For native plants in your sustainable landscaping, use roughly 15 percent compost by volume to repair disturbed or damaged soils.

Clay-based soil amended with compost leads to more productive and healthy plant growth at a lower cost than amending the same soil with the necessary 45 percent sand. Therefore, you can mix poor soils that are compacted, lifeless, or subsoils with about three to six cubic yards of high quality compost per 1,000 square feet to improve the soil structure.

If your compost is based on bio-solids, it can be high in ammonium nitrogen. Use this type of compost sparingly.  When using bio-solids, be sure you know exactly where they came from.

Read more at Gardening Know How: Composting With Biosolids: What Are Biosolids And What Are They Used For https://www.gardeningknowhow.com/composting/ingredients/composting-with-biosolids.htm

This article was inspired by the 71-page Sustainable Landscapes Program guidebook available at SustainableLandscapesSD.org. The Water Authority and its partners also offer other great resources for landscaping upgrades, including free WaterSmart classes at WaterSmartSD.org.