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Greenhouse Crops and Floriculture
Soil and Plant Nutrient Testing and Diagnostics

Plant Problem Diagnostics

When growing greenhouse crops, it is important to know what disease you are trying to prevent or control. When diseases are not successfully controlled or become recurring problems, it is often because the cause was not accurately identified. 

The UMass Plant Diagnostic Lab routinely uses microscopic and laboratory identification of fungi, bacteria, viruses and nematodes. Samples can be hand-delivered (if possible) or sent overnight mail, UPS, or Federal Express.

UMass Plant Diagnostic Laboratory Vegetable & Floriculture Diagnostics information and form

UMass Plant Diagnostic Laboratory

Soil and Plant Nutrient Testing

The University of Massachusetts Extension Greenhouse Crops and Floriculture program recognizes the importance of reliable and prompt diagnosis of plant problems in greenhouse production.

A soil test is important for several reasons: To optimize crop production; to protect the environment from contamination by runoff and leaching of excess fertilizers; to aid in the diagnosis of plant culture problems; to improve the nutritional balance of the growing media; and to save money and conserve energy by applying only the amount of fertilizer needed. Pre- plant media analyses provide an indication of potential nutrient deficiencies, pH imbalance or excess soluble salts. This is particularly important for growers who mix their own media. Media testing during the growing season is an important tool for managing crop nutrition and soluble salts levels.

UMass Soil Test Laboratory Submittal Form for Greenhouse Crops

UMass Soil Test Laboratory