See All Vegetables

This guide, updated in February 2026, contains information on vegetable production based on university, extension, and industry research, experience, and knowledge.

Before beginning the discussion of the principles of plant nutrient systems in hydroponic systems, we need to define what we mean by 'hydroponic'.

Winter is a common time to start seeds indoors in preparation for the upcoming growing season. While germinating seedlings bring welcome, verdant growth during the winter months, their establishment can be threatened by damping-off disease.

Yellowmargined leaf beetle (YMLB) (Microtheca ochroloma) is a serious pest of cruciferous crops.

¿Cuándo necesita una calcomanía de movimiento lento (un triángulo anaranjado) nueva para su vehículo, lentes de protección o una cubierta protectora para la toma de fuerza (TDF o PTO - power take off en inglés), a donde va para conseguirlos?

Ahora que ya ha aprendido las dos ecuaciones básicas para crear soluciones nutritivas, vamos a utilizar estas ecuaciones para calcular las cantidades de fertilizante necesarias para hacer una receta de solución nutritiva.

Calculating the amount of fertilizer to add to nutrient solutions is part of successful hydroponic production. Calculations only use multiplication, division, and subtraction; no advanced math skills are required.

In addition to honey bees, which are managed, various un-managed species that exist as wild populations play key roles in providing pollination of cucurbit crops.

Calcular la cantidad de fertilizante para agregar a las soluciones nutritivas es parte de una producción hidropónica exitosa.

Now that you have learned the two basic equations for creating nutrient solutions, let's use them to calculate the amounts of fertilizer needed for a nutrient solution recipe.

Spent mushroom substrate is the soil-like material remaining after a crop of mushrooms. Spent substrate is high in organic matter making it desirable for use as a soil amendment or soil conditioner.

A compilation of video clips and stills gives the viewer the labor, time, and equipment that is needed in modern day potato production.

This question frequently arises: "Do you have yield estimates for vegetables?"

Experts show how to: plan your garden; prepare soil; start seeds; choose transplants; plant, mulch, water, prune, and harvest tomatoes; and manage common pests. Earn 1 PDA Category 3, 18, or Private Category.

Precision sprayer technology offers an adaptable solution that applies the right amount of spray where it's needed.

There are many commercial auditing companies that will perform an audit on your farm. Check with your buyers to see which ones they approve.

Sanitation practices limit resources pests need to survive, kill existing pests, and also minimize pests from spreading.

This article outlines plant response and ways to measure soil salt levels.

When you are looking for agriculture information, Penn State Extension is the bridge between the science conducted at the Pennsylvania State University and you, as part of the agriculture community.

The Extension On the Road crew traveled to Philadelphia to meet farmers and their community partners and get a look at how farming is used to build community, as educational spaces, and to produce food in urban areas.

Yarnick's Farm in Indiana, Pennsylvania, includes 250 acres of outdoor production and 20 greenhouses of varying sizes and shapes.

Toigo Organic Farms is a 5-acre greenhouse farm that grows primarily tomatoes year-round, along with some eggplants and peppers.

We visited with Ephraim Zook at his farm in Ephrata, PA. Ephraim has been farming vegetables on 60 acres since 2000.

Ulmer Farms is a 1,200-acre farm in Clinton County where Seth and Liz Ulmer have been growing soybeans, corn, processing tomatoes, and processing snap beans since 2001.

We visited with Micah and Bethany Spicher Schonberg and Gabby Bedeian at Plowshare Produce, a certified organic farm located in McAlevys Fort in Huntingdon County.