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Articles 1 - 14 of 14
Full-Text Articles in Plant Sciences
Controlling Chickweed And Henbit In Alfalfa, J. F. Freeman
Controlling Chickweed And Henbit In Alfalfa, J. F. Freeman
Agronomy Notes
Chickweed and henbit weeds are bad in alfalfa this fall. DNBP (premerge or Sinox PE) sprayed on infested fields at rate of 1 to 3 qt in 20 to 40 gallons of water per acre may destroy the weeds without harm to the dormant alfalfa. Use the higher rate if chickweed is matted on the ground or if henbit is heavy in the stand. Spray only when the temperature is 55 to 60 degrees or warmer and fair weather is predicted for 12 hours after treatment. The 1-qt rate applied in early fall when chickweed is very small (not until …
Controlling Annual Grasses In Spring Seeded Alfalfa With Eptc, J. F. Freeman
Controlling Annual Grasses In Spring Seeded Alfalfa With Eptc, J. F. Freeman
Agronomy Notes
Many Kentucky farmers plan to sow alfalfa in early spring on a prepared seed bed. A main objective is to avoid or reduce most of the damage of alfalfa weevil on the first-year crops . Eptam 6 E sprayed on the prepared seed bed at rate of 2 quarts in 10 to 20 gallons of water per acre and disked in 3-4 inches deep right behind the sprayer usually gives good control of annual grass weeds and some control of broadleaf weeds as well. A second disking, crosswise to the first, is needed for thorough mixing of the herbicide with …
Where Is Moly?, A. L. Hatfield
Where Is Moly?, A. L. Hatfield
Agronomy Notes
Is moly in hiding or has it gone down the river? Recent tests in Graves County suggest that it is probably just in hiding.
Moly (molybdenum) is of importance to Kentucky farmers because of its unique relation to soil acidity and legume growth. Many other trace or minor elements necessary for plant growth are most available to crops under acid soil conditions. Molybdenum becomes more available as the soil acidity approaches neutrality.
Agronomy Notes, No. 32, S. H. Phillips
Agronomy Notes, No. 32, S. H. Phillips
Agronomy Notes
Silo Fillers Disease, caused by nitrogen dioxide, was discussed in a joint Agronomy and Pharmacology release. Dr. Mark Luckens, College of Pharmacy, has prepared strips of potassium iodide - starch test paper to assist in detecting this deadly gas in silos and feeding areas. These strips are small (5/8" x - 2") and change to a blue color when in contact with nitrogen dioxide. We have 300 strips available for use by County Agents.
Agricultural Limestone In Kentucky, George D. Corder
Agricultural Limestone In Kentucky, George D. Corder
Agronomy Notes
Kentucky farmers invested about $6 million in agricultural limestone in 1964. However, much more lime than this should have been used if farmers get the most economical crop production and the most efficient use of fertilizers that are applied or the fertility that is already in the soil.
Small Grain Planting Information, S. H. Phillips
Topdress Alfalfa This Fall, George D. Corder
Topdress Alfalfa This Fall, George D. Corder
Agronomy Notes
Good stands of alfalfa should be fertilized even though the alfalfa weevil is causing some concern. This fall, say after the last harvest, is a good time to topdress with phosphate, potash and boron fertilizers.
Soil Test Summary For 1964 Now Available, Harold F. Miller
Soil Test Summary For 1964 Now Available, Harold F. Miller
Agronomy Notes
The number of soil samples tested in soil testing laboratories under the supervision of the College of Agriculture in 1964 showed an increase of 6,028 samples. In 1963, 46,444 samples were tested compared to 52,472 in 1964. These figures do not include the thousands of samples tested in commercial laboratories.
Soil Surveys In Kentucky, Harry Hudson Bailey
Soil Surveys In Kentucky, Harry Hudson Bailey
Agronomy Notes
Twenty-two Kentucky counties have been surveyed and published using the classification scheme of the U.S. Department of Agriculture. These counties and the dates of the field survey are: Adair (1961), Bath (1959), Calloway (1937), Christian (1912), Clark (1961), Fayette (1931), Fulton (1961), Garrard (1921), Graves (1941), Jessamine (1915), Logan (1919), McCracken (1905), Madison (1905), Marshall (1938), Mason (1903), Mercer (1930), Muhlenberg (1920), Rockcastle (1910), Scott (1903), Shelby (1916), Union (1902), Warren (1904). The maps and reports on Adair, Bath, Calloway, Clark, Fulton, Graves, Logan, Marshall and Mercer Counties are still available (1965) through: Agronomy Department, University of Kentucky, Lexington. The …
Forage Sorghums, W. H. Stroube
Forage Sorghums, W. H. Stroube
Agronomy Notes
Wide interest and publicity relative to summer annual grasses has developed with the release, availability and publicity of forage "sorghum-sudan hybrids."
There are many varieties of sorghum-sudan crosses and similar materials currently on the market making intelligent recommendations concerning specific varieties most difficult. Our experience and that of workers in some other states indicate that most of these varieties behave somewhat similarly. One of the best ways to choose a variety in this case, is to buy a variety that you or a neighbor have had favorable experience with and buy from a known reputable dealer.
Different Soils Need Different Amounts Of Limestone, George D. Corder
Different Soils Need Different Amounts Of Limestone, George D. Corder
Agronomy Notes
Two different soil types may show the same acidity levels by soil test but they may need different amounts of limestone to obtain the same reduction in soil acidity.
Nitrogen Loss From Surface Application, Harold F. Miller
Nitrogen Loss From Surface Application, Harold F. Miller
Agronomy Notes
Research work has shown that considerable nitrogen can be lost from surface applied ammonia-containing fertilizers. The nitrogen is lost due to the formation of ammonia which escapes into the air. Soil and weather conditions encouraging this loss are high temperature, moist soils, high pH and source of nitrogen.
Practices To Increase Grass Seed Yields Ky. 31 Fescue, Orchardgrass And Ky. Bluegrass, Robert C. Buckner, Paul B. Burrus Jr.
Practices To Increase Grass Seed Yields Ky. 31 Fescue, Orchardgrass And Ky. Bluegrass, Robert C. Buckner, Paul B. Burrus Jr.
Agronomy Notes
Grass seed is a specialized crop in Kentucky. High per acre seed yields can be obtained by using the following suggestions that are made from research findings by the University of Kentucky Agronomy Department.
Agronomy Notes, No. 35, Robert C. Buckner, Paul B. Burrus Jr.
Agronomy Notes, No. 35, Robert C. Buckner, Paul B. Burrus Jr.
Agronomy Notes
The following table gives the effect of clipping and fertilization treatments on clean seed yields of tall fescue. Seed yield figures are averages of four replications and five years' data.