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University of Wisconsin-Extension

Fruit-Plant Nutrition, Fertility, and Soil Health

Petiole Sampling for Determining Fertilization Needs in Cold-Climate Grapes

Petiole Sampling for Determining Fertilization Needs in Cold-Climate Grapes

Assessing the nutritional status of your grapevines through mature leaf petiole sampling is one of the most useful tools growers have for managing vineyard health and productivity.

Fertilization Guidelines for Mature Apple Trees

Fertilization Guidelines for Mature Apple Trees

Interpreting foliar nutrient analysis can sometimes be challenging for growers, particularly when trying to determine whether fertilizer applications are needed and at what rate.

Diagnosing the Nutritional Status of Fruit Crops 

Diagnosing the Nutritional Status of Fruit Crops 

Routine evaluation of fruit crop nutrient status and soil composition are essential to developing sustainable nutrient management practices. This article reviews soil and tissue sampling methodology. 

Cover crop options after small grains and processing crops

Cover crop options after small grains and processing crops

Harvesting small grains or processing crops in the summer months provides a great opportunity to plant a variety of cover crop species that can achieve several different benefits or goals such as soil erosion protection, nitrogen (N) supply to subsequent grain crops, and weed suppression.

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