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NOT FOR USE BY HOME GARDENERS
The use of any pesticide inconsistent with the label directions is a violation of Federal law.
Preface
This copy of the 2020-2021 Mid-Atlantic Commercial Vegetable Production Recommendations replaces all previous editions of the Commercial Vegetable Production Recommendations published individually for Delaware, Maryland, New Jersey, Pennsylvania, Virginia, and West Virginia. Information presented in this publication is based on research results from the University of Delaware; the University of Maryland; Rutgers, The State University of New Jersey; The Pennsylvania State University; Virginia Polytechnic Institute and State University; West Virginia University; and the U.S. Department of Agriculture, combined with industry and grower knowledge and experience.
This vegetable production guide is intended for the commercial vegetable grower who has to make numerous managerial decisions. Although the proper choices of variety, pesticides, equipment, irrigation, fertilizer, and cultural practices are the individual vegetable grower’s responsibility, it is intended that these recommendations will facilitate decision-making. Recommended planting dates will vary across the six-state region. Local weather conditions, grower experience, and variety may facilitate successful harvest on crops planted outside the planting dates listed in this guide. This can be evaluated in consultation with the local agents and state specialists. Government agencies and other organizations administrating crop insurance programs or other support programs should contact local Extension agents and/or vegetable specialists for guidance.
The publication will be revised annually or as is necessary to include new information that evolves in the rapidly changing vegetable industry. Important updates will be communicated through local Extension agents and vegetable specialists. The Editors welcome constructive criticism and suggestions from growers and industry personnel who may wish to help improve future editions of this publication.
On this page is the 2020-2021 Mid-Atlantic Commercial Vegetable Production Recommendation Guide broken into 39 sections. Each of the vegetable sections is available as a separate segment that can be opened to only that section, hopefully making it easier for the user to quickly find the information they are interested in using.
Temperature, and Planting Recommendations for Transplant Production
Planting and Harvesting Schedule for Freestanding High Tunnel Vegetable Crop Production
State Pollinator Protection Plans
Target Soil pH Values for Vegetable Crops
Pounds of Calcium Carbonate Equivalent (CCE) Recommended per Acre
Conversion of Recommended Calcium Carbonate Equivalent to Recommended Limestone
Soil Test Categories for Nutrients Extracted by Mehlich 3 and 1
Composition of Principal Macronutrient Fertilizer Materials
Chemical Sources of Secondary and Micronutrients
Boron Recommendations Based on Soil Tests for Vegetable Crops
Recommendations for Correction of Vegetable Crop Nutrient Deficiencies
Sufficiency Ranges for Fresh Petiole Sap Concentrations in Vegetable Crops
Plant Nutrient Value Credits to Be Allowed for Manure Applications and Crop Residues
Most Critical Periods of Water Needs by Crops
Available Water Holding Capacity Based on Soil Texture
Soil Infiltration Rates Based on Soil Texture
Irrigation Applied per Hour per Cropped Acre (inches)
Maximum Number of Hours per Application for Drip Irrigated Vegetables
Irrigation Guidelines for Tensiometers
Equivalent Injection Proportions
EPA Signal Words According to Toxicity Categories (I, II, III, IV) of Pesticide Products
Kd, Koc, Water Solubility and Persistence Values for Selected Pesticides
Herbicide Effectiveness on Common Weeds in Vegetables
Crop Rotation Planting Restrictions 98
Important Herbicide Groups for Commercial Vegetables
Insecticides and Miticides Labeled for Use on Greenhouse Vegetables
Insecticides with Labels for Chemigation
FRAC Codes and Corresponding Chemical Groups for Commonly-Used Fungicides
Commonly Used Fungicides Registered for Vegetables
Effective Seed Treatment Temperature Protocols (2nd Bath) for Pathogen Eradication
Selected Fungicides and Bactericides Labeled for Greenhouse Use
Frequently Used Weights and Measures