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No-Till Growing: Vegetable Production

Robust spring cabbages at Tobacco Road Farm.

Over the last 20-plus years of vegetable growing at Tobacco Road Farm in Lebanon, Connecticut, we have constantly sought ways to improve the health and vitality of our crops and soils, and going no-till has been part of that journey.

About 3 acres of land is in vegetables, with half in year-round vegetable production and the other half cover cropped through the winter months.

The crop rotations are very close, with yields very high, so the intensity of production demands very careful soil care. To this end, soil amendments, fertilizers, inoculants and compost have been carefully selected and applied over the years.

Under this intensity of production, tillage was previously utilized to an excessive degree. This left the soil with a soil structure that was lacking in aggregation, tended toward surface crusting and with a plow pan always in need of mechanical breaking. The loosened soil of the tillage layer dried excessively in summer, leading to irrigation needs, and the soils’ air/water balance was constantly in jeopardy. Continue Reading →

Soil Conservation Yields Economic Gains

Soil conservation practices such as growing cover crops and going no-till can result in an economic return of over $100 per acre, according to a set of case studies jointly released by the National Association of Conservation Districts and Datu Research, LLC.

Cover crops, like tillage radish, can improve soil health and structure.

Cover crops and no-till can limit soil loss, reduce run-off, enhance biodiversity and provide other benefits. Naturally, farmers who are considering adopting these soil conservation practices are keen to know how they will affect their farm’s bottom line.

“These case studies quantify for producers, policy-makers and researchers alike what the economic advantages of using no-till and cover crops are, and why it makes good sense for farmers to try them and for organizations like NACD to support and even incentivize their use,” said Jeremy Peters, NACD CEO. “We have loads of anecdotal data that says conservation practices benefit the land and producers’ pocketbooks, but now we have run the numbers and know how much.”

During the three-year study period, corn-soybean farmers experimented with cover crops and/or no-till, and quantified the year-by-year changes in income they attributed to these practices compared to a pre-adoption baseline. They found that while planting costs increased by up to $38 per acre: Fertilizer costs decreased by up to $50 per acre; erosion repair costs decreased by up to $16 per acre; and yields increased by up to $76 per acre.

The studies also found that with adoption of these soil conservation practices, net farm income increased by up to $110 per acre. Included in the farmers’ calculations was the considerable time they spent attending workshops or searching the internet to learn about no-till or cover crop practices.

“That time turns out to be an excellent investment, when bottom lines start improving,” said Marcy Lowe, CEO of Datu Research, which conducted the case studies in partnership with NACD. “Farmers who switch to these practices can see losses at first. But thanks to these case study farmers who are generously sharing what they’ve learned, that learning curve will speed up for other farmers.” Continue Reading →