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Penn State Cooperative Extension Publications

379 matches found for All Records in Extension Publications

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  1. Agronomy Facts 50: Kentucky Bluegrass [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "Kentucky bluegrass ( L.) is a short-to-medium height, cool-season, long-lived, highly palatable, perennial grass that has smooth, soft, green to dark green leaves with boat-shaped tips. It spreads via rhizomes to form a dense sod and grows best during cool, moist weather on well-drained, fertile soils with a pH between 6 and 7. Although Kentucky bluegrass is found throughout the United States, it is most important agriculturally in the north central and northeastern regions and is best adapted to areas where the average daily temperature during July does not exceed 75 degrees F. Warm summer temperatures are the most limiting environmental factor to Kentucky bluegrass production."

  2. Agronomy Facts 51: Starter Fertilizer
    Source: Department of Crop and Soil Sciences Publications

    "Starter fertilizer is a small quantity of fertilizer nutrients applied in close proximity to the seed at planting. Starter fertilizers enhance the development of emerging seedlings by supplying essential nutrients in accessible locations near the roots. Rapid crop establishment is desirable since plant development and yield can be influenced during early growth stages. Also, fast-growing young plants generally are more resistant to insect and disease attacks and can compete with weeds more effectively. Readily available nutrients near young plants help ensure rapid early growth and the formation of large leaves, which are necessary for photosynthesis, subsequent growth processes, and earlier crop maturity."

  3. Agronomy Facts 52: Potential of Narrow Row Corn Production in Pennsylvania [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "Traditionally, corn produced in Pennsylvania and surrounding states is grown in rows that are 30 inches or wider. Now, producers and researchers are considering the potential of narrower rows such as 15 to 22 inches for corn production in Pennsylvania. The interest in narrow rows is sparked by several possible advantages of this production system: higher yields, better weed control, decreased potential for soil erosion, and increased nutrient uptake."

  4. Agronomy Facts 53: The Early-season Chlorophyll Meter Test for Corn [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "The chlorophyll meter is a portable, hand-held device that instantaneously measures the greenness (or that instantaneously measures the greenness (or that instantaneously measures the greenness (or that instantaneously measures the greenness (or chlorophyll content) of a plant in the field."

  5. Agronomy Facts 54: Pennsylvania's Nutrient Management Act: Who Will Be Affected? [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "In the spring of 1993, the Pennsylvania legislature passed and the governor signed the Nutrient Management Act into law. Before this legislation was passed, problems with nutrient pollution were administered under the Clean Streams Law, which dealt only with surface waters. This existing law stated that if a farmer follows practices in the Department of Environmental Protection (DEP) publication (Manure Manual), no special permits or approvals are required for manure utilization on farms. The Nutrient Management Act is the first law in Pennsylvania that requires regulatory oversight of nutrient plans on certain farms. This law oversight of nutrient plans on certain farms. This law will take effect on October 1, 1997. An important question is, who will be affected by this legislation?"

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