Gordon Johnson, Extension Vegetable & Fruit Specialist;gcjohn@udel.edu Each year we see fields were vegetable growth in drip irrigated plastic mulched beds is irregular. While root diseases, nematodes, or soil insect feeding can cause variable growth, the following other potential causes… Continue Reading
Rose Ogutu, Horticulture Specialist, Delaware State University rogutu@desu.edu A uniformly moist soil is ideal for most horticultural crop production, yet high tunnels receive no external rainfall. It is important to maintain adequate soil water content during pollination and fruit development… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Vine crop growers have commented that they are having a hard time keeping enough moisture in their beds. Certainly, irrigation system concerns need to be accounted for (emitter volume, emitter spacing, length… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu In troubleshooting vegetables in the summer months, we see fields where the major symptom is an overall lack of vigor and this poor vigor is due to one or more stress factors.… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Fertigation is the term used when soluble fertilizer sources are delivered through the irrigation system to crops. Drip irrigation is an ideal means to fertigate and to deliver mineral nutrients to vegetables… Continue Reading
