University of Maryland Extension

Crops

No-till spring vegetables after forage radish cover crop

A late August seeding of forage radish (Raphanus sativus L.) can eliminate the need for tillage before many early spring vegetable crops like spinach, beets, peas, onions, and even carrots under certain soil conditions in Maryland. In addition to reducing soil disturbance, not having to till prior...

Starting a Farm Enterprise in Maryland: Checklist

According to the United States Department of Agriculture (USDA) 2007 Census, direct to consumer marketing amounted to $1.2 billion in current dollar sales, compared with $551 million in 1997. Starting a farm or adding a new farm enterprise can be an enjoyable and attractive business decision. When...

Japanese Maple Scale Woody Ornamental Host Plants

Japanese maple scale (JMS), (Lopholeucaspis japonica Cockerell) (Hemiptera: Diaspididae), is a prolific pest of major concern to nursery crop producers and landscape managers in MD and the eastern United States. JMS is difficult to monitor and manage due to its small size, extended crawler...

Alfalfa Weevil A Pest of Early Season Alfalfa

Alfalfa (Medicago sativa L.) is an important forage crop for dairy and beef cattle, swine, poultry, sheep, and horses. In Maryland, alfalfa weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae), occasionally cause significant damage on susceptible cultivars. Alfalfa weevil was first...

Managing Herbicide Resistant Common Ragweed

Common Ragweed (Ambrosia artemisiifolia) is a native summer annual weed of many cropping systems in the mid-Atlantic. It is often encountered as weed in agronomic crops as well as vegetable, orchards, roadsides, and abandoned fields. Common ragweed can thrive in lower fertility soils and is often...

General Recommendations for Managing Nematodes in Field Crops

Nematodes are an economically important pathogen of many crops in Maryland. Significant yield loss can occur if nematodes are not managed properly. This factsheet serves as a broad introduction to nematodes as plant pathogens and serves as a general guide for sampling and managing nematodes in...

Estimating Irrigation Water Requirements to Optimize Crop Growth

The crop, yield goal, soil, temperature, solar radiation, and other cultural factors determine the amount of water needed during the growing season. Irrigation equipment varies in its efficiency. Crops vary in peak water use and critical timing. There are strategies to maximize profits with minimal...

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