more... > Agriculture & Natural Resources > General Horticulture > How to Take Soil Samples [Image: Taking soil samples] General information on gathering soil and plant samples to be tested at the LSU AgCenter Soil Testing and Plant Analysis Laboratory (STPAL). Grow Tomatoes in Containers [Image: Tomatoes] Many home growers in St. Helena Parish want tomatoes, but they do not want to plant large gardens to get them. Growing tomatoes in containers is discussed in the linked article. Starting with Spuds [Image: Potato] The basic process of planting Irish potatoes is discussed in this article. Louisiana Plant Pathology: Southern Blight [Image: southern blight] Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of the disease known as southern blight. (PDF Format Only)  more articles... Native Tree Growing Guide for Louisiana [Image: Native Tree Growing guide] This guide will answer some of the most commonly asked questions about tree planting in the area. It suggests native and well-adapted trees for our region and describes how to grow them successfully. The tree illustration fold-out can also be used as a poster (22" x 34").