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10 matches found for fertilizer in Extension Publications

Results 1 - 10 of 10

  1. 100% 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."

  2. 100% Pennsylvania Farm-A-Syst: Worksheet 2: Pesticide and Fertilizer Storage and Handling [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "When used properly, pesticides and fertilizers are effective crop management tools. However, these chemicals can endanger water quality and human health if they are not properly stored and handled. The chemicals can enter directly into the groundwater through wells or sinkholes at the farmstead or flow into surface water. When found in water supplies, pesticides normally are not present in high-enough concentrations to cause acute health effects. Instead, they typically occur at trace levels that may have effects after prolonged exposure."

  3. 91% Agronomy Facts 31A: Soil fertility management for forage crops Pre-establishment [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "Soil fertility management for forage crops is a continuous process that begins well before the forage crop is established. In the pre-establishment phase the soil conditions are adjusted to provide optimum soil fertility when the crop is established. At establishment the fertility program should deal with any last-minute small adjustments in soil fertility and any requirements for getting the plants established, such as a starter fertilizer. Finally, once the crop is established the fertility program focuses on maintaining good soil fertility levels for the life of the forage stand."

  4. 91% Using Composts to Improve Turf Performance
    Source: Department of Crop and Soil Sciences Publications

    "If you have been searching for ways to improve turf performance in marginal or poor soils, consider using compost as a soil amendment. In clay soils, good quality compost will improve structure, reduce surface crusting and compaction, promote drainage, and provide nutrients. In sandy soils, compost increases water and nutrient retention, supplies nutrients, and increases microbial activity. These improvements promote faster turf establishment, improved turf density and color, increased rooting, and less need for fertilizer and irrigation."

  5. 91% The Basics of Manure Testing [pdf]Get Acrobat Reader
    Source: Penn State - Dairy and Animal Science Publications

    "Advantages of manure testing include saving on fertilizer costs, refining application rates to meet crop requirements, demonstrating a commitment to protecting surface and groundwater quality, and serving as a data source for long-term farm plans. "

  6. 90% Agronomy Facts 13: Managing phosphorus for crop production
    Source: Department of Crop and Soil Sciences Publications

    "Phosphorus is a macronutrient that plays a number of important roles in plants. It is a component of nucleic acids, so it plays a vital role in plant reproduction, of which grain production is an important result. It is also critical in biological energy transfer processes that are vital for life and growth. Adequate phosphorus results in higher grain production, improved crop quality, greater stalk strength, increased root growth, and earlier crop maturity. For over one hundred years, phosphorus has been applied to crops as fertilizer - first as ground bone and now as some chemical reaction product of ground rock. Yet, for all that experience, its management cannot be taken for granted."

  7. 90% Agronomy Facts 31B: Soil Fertility Management for Forage Crops Establishment
    Source: Department of Crop and Soil Sciences Publications

    "Soil fertility management for forage crops is a continuous process that begins well before the forage crop is estab-lished. In the pre-establishment phase, the soil conditions are adjusted to provide optimum soil fertility when the crop is established. The fertility program during the establish-ment phase should deal with last minute, small adjust-ments in soil fertility and any requirements such as a starter fertilizer for getting the plants established. After the crop is established, the fertility program should focus on mainte-nance of good fertility levels in the soil for the life of the forage stand."

  8. 90% Agronomy Facts 31C: Soil Fertility Management for Forage Crops Maintenance [pdf]Get Acrobat Reader
    Source: Department of Crop and Soil Sciences Publications

    "Soil fertility management for forage crops is a continuous process that begins well before the forage crop is established. In the pre-establishment phase, the soil conditions are adjusted to provide optimum soil fertility when the crop is established. At establishment phase, the fertility program should deal with any last minute small adjustments in soil fertility and any requirements such as a starter fertilizer for getting the plants established. If the pre-establishment soil fertility goals are met and the stand is successfully established, the goal becomes maintenance of an adequate level of fertility to meet the needs of the crop throughout the life of the stand."

  9. 43% Agronomy Facts 6: Comparing Fertilizing Materials
    Source: Department of Crop and Soil Sciences Publications

    "Nutrients are often a limiting factor for plant growth. Under natural conditions, an equilibrium is established that depends on recyling of nutrients to meet plant needs. This equilibrium is disturbed when agricultural crops are grown. Soils must provide greater amounts of plant nutrients than would be needed for natural vegetation. Also, a significant portion of the nutrients are no longer recycled but are removed in the harvested crops. Farmers must supply supplemental nutrients to the soils to ensure optimal crop growth. These supplemental nutrients come in many forms including fertilizers, animals manures, green manures, and legumes. This fact sheet concentrates on the properties of commonly used fertilizers that are important in achieving optimal plant growth."

  10. 42% Diagnosing Turfgrass Problems
    Source: Department of Crop and Soil Sciences Publications

    "The cause of turfgrass damage is often difficult to determine if considerable time has elapsed between damage and diagnosis. Damage is often blamed on disease or insects when there is no sound basis for such a diagnosis. A careful diagnosis involves analysis of climatic and environmental conditions, along with the management program followed. It is important to know what fertilizers, insecticides, fungicides, or herbicides have been applied, the amounts used, and the time and method of application."


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