Q: The straw mulch I used at the end of summer to suppress the weeds doesn't seem to be working. Should I till it and cover with plastic? black or clear? Is there something better. Or should I add more straw. I could probably bring some cardboard home from work. Is this a healthy option?
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Weed seeds can survive in the soil for years before they germinate and grow.
It could take years to eradicate a large patch of blackberries, because so many seeds remain in the soil. But with good timing and dedication, property owners can reduce a sprawling blackberry thicket to a few manageable stragglers
Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are potentially dangerous to cattle and other livestock.
Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Scotch thistle was introduced to the United States in the 1800s as an ornamental plant from the Mediterranean region. It is a noxious weed in Idaho, Oregon, and Washington. Scotch thistle can form dense, virtually impenetrable stands in low- to high-fertility soils. This publication provides information for identification, management, and control.
Reviews Russian thistle biology as it relates to management, including seed dormancy and longevity in soil, seed distribution, seed germination and emergence, plant growth after establishment, crop competition, and resistance to herbicides. Outlines key considerations for managing for 3 crop years and 1 fallow year. Describes results from a residue management experiment designed to determine how to reduce tillage while maintaining winter wheat production.
In small grain and pulse crops throughout the high rainfall zones of the Inland Pacific Northwest, mayweed chamomile is a troublesome weed. Individual plants can produce as many as 17,000 seeds, and seed remain viable in the soil for many years. This publication outlines integrated management strategies for mayweed chamomile, highlighting the importance of preventing seed production.
Explains how simple and creeping perennial weeds reproduce and spread. Covers weed seedbanks, seed dormancy in soil, and factors that influence seed germination. Describes the typical root structure of perennial weeds and the various ways perennial weeds compete with crop plants for water, nutrients, and light. Discusses the advantages and disadvantages of various methods to control ...
Are weeds a never-ending challenge for you? If so, consider looking at them from a new angle. Instead of spraying or digging weeds out year after year, concentrate on making your grass happy. The factors that promote optimal grass health and production work against weed growth. What is good for grass is not good for weeds.