ASHS Press Releases

American Society for Horticultural Science

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Scientists in western Washington use crop enterprise budgets to evaluate production practices

Researchers used crop enterprise budgets to provide baseline information and contrast the economic potential of growing lettuce and tomato under high tunnel and open-field production systems. Results showed it was 43% more profitable to grow lettuce in the open field than in the high tunnel, while growing tomato in high tunnels was three times more profitable than open-field production.

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Study recommends continuing zinc application at critical stages on apple trees

Researchers calculated the response of apple fruit quality to sprays of zinc sulfate and sugar alcohol zinc to determine whether continuing to supply zinc to trees could increase the fruit quality of 'Fuji' and 'Gala' apples. Results showed that, although the apple trees showed no zinc deficiency symptoms and the leaf zinc nutrition was at a low level, continuing zinc sprays throughout the growing cycle was necessary to increase fruit quality.

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Soil NO3 testing can improve nutrient use efficiency of spinach crops

To provide California's spinach growers with new management strategies for nitrogen fertilizer and irrigation practices, researchers performed experiments in the Salinas and San Juan Valleys of California. They determined that, to mitigate environmentally negative nitrogen losses, the nitrogen use efficiency (NUE) can be increased by the use of soil testing at two critical points: at-planting and before the first midseason fertilizer application.

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Study of food safety certification informs Vermont fresh produce industry

A report on the economic costs of good agricultural practices (GAPs) audits of small and medium-size farms in Vermont provides information to farmers who are considering GAPs certification. The study also provides background data to agricultural service providers and policymakers planning for the future of the fresh produce industry.

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