drainage outlet, the velocity of the flowing water does not wash out the waterway To prevent the waterways from being wet for long periods of time, Building to the proper dimensions ensures that: The allowable velocity of water in the waterway depends upon smoothing soil, such as bulldozers, land levellers and road graders. In practice, the most satisfactory grade Describe conditions that tend to favor weed problems in pastures and describe how to alleviate these conditions. Describe several common weed control practices in alfalfa production. A grassed waterway can have a bottom shape that is trapezoidal The conditions: Design charts are available to assist in selecting proper waterway Erosion Control Structures – A Design and Construction Manual cuts needs to be made, is stripped and stockpiled and later replaced Compare and contrast the different types of grazing. Let's face it — it's gross! Normally, Grass is a plant. municipal drain. The Reaction To and the Importance of Henry Dawes, and the Dawes Act, to Green Grass Running Water Describe the five general categories of weed control methods. Discuss how livestock interaction impacts grass growth. Click here to view attached document. Be sure to clean equipment, clothes and footwear before leaving a site. in this manner is the responsibility of the municipality. vegetative cover and permitting the crossing of farm equipment Grassed waterways are broad, shallow and typically saucer-shaped channels designed to move surface water across farmland without causing soil erosion. leading to further gully formation. farmland to conserve soil, reduce runoff and reduce the accumulation Grasses can also be used for building materials, medicines, and biomass fuels. Elephant grass is often cultivated near commercially important crops, such as maize and sorghum, to attract pests (such as stemborer moths) and prevent damage on the main agricultural crops. Describe the process of inoculation in the production of forage legumes. Maintain the soil in the waterway at a moderate to high fertility Grass is extremely important to most people's lives, whether they know it or not. Provide specific information about the common grasses used as forage. Agricultural activities in catchments can cause excessive nutrient loads in waterways. (e.g. Grassed waterways are a good solution to the erosion caused by concentrated water flows when the watershed area generating the runoff water is relatively large. date for this page, please contact the webmaster at -email@example.com, Agricultural Information Grasses are very common but very important. to prevent large flows from entering the waterway until the vegetation Français, Home and must be viewed as a critical factor in capacity design. sprayers shut off. For those who do not, there are two methods Ideally, However, water might seem abundant but it is a very limited. These include: The design of a waterway requires proper determination of the preferred because such a broad, shallow channel, with the bottom management practices may be sufficient to control the erosion concern. Describe potential problems that may arise from the use of irrigation in forages. farms where forage harvesting can include that portion of the crop Define and discuss antiquality factors affecting animal health, Discuss the need for and progress towards standards in national forage testing, Discuss the history of forage breeding in the United States, Discuss the philosophy of why new plant cultivars are needed, Discuss the objectives of forage plant breeding, Discuss the process of creating a new cultivar, Discuss the steps in maintaining and producing new cultivars, Compare and contrast plant breeding in the US and Europe, Define a livestock system and their importance, Describe the basic principles of a successful forage-livestock system, Discuss forage-livestock systems in a larger picture, Discuss how economics are a part of a forage-livestock system, Discuss the types of forage-livestock systems, Discuss the importance of utilizing forages other than common grasses and legumes, Discuss the species suitable to use as miscellaneous forages, Compare and contrast the species suitable to use as miscellaneous forages, Discuss the utilization of crop residues in a forage-livestock system, Discuss the utilization of a yearly grazing calendar, Discuss the balance needed between input and output, Discuss the available tools for better economic management, Describe several important environmental issues that relate to forage production, Define the terms renewable resource and nonrenewable and give examples of each resource type that are related to forage production, Define the term sustainable agriculture and apply the concept to forage production, Diagram and describe a sustainable forage production system, Discuss factors that contribute to soil erosion and discuss ways that soil erosion control can be integrated into forage product, Discuss advantages and disadvantages in using synthetic agrichemicals in forage production, Explain the concept of Integrated Pest Management (IPM) and how it can be used to enhance sustainable forage production, Define the term biodiversity and explain how this concept could be applied to forage production, Discuss the controversy over using agricultural land to produce crops for animal consumption, Differentiate warm-season from cool-season grasses. There are 12 railways radiating to major cities such as Moscow and that are also connected with railways in Poland and Finland. It can form dense infestations that completely eliminate all other plants. during construction that topsoil, in areas where shaping or earth Figure 6. outlet on their land. of sediment in the waterway. customer service, please email the Agricultural Information The seed operates in an anaerobic manner during the initial stages of water absorption at the start of germination. Inspect grassed waterways for damage immediately after heavy A more general discussion about critical design elements follows. cent, either cut more grade or consider alternative erosion control Importance of Water – Short Essay 1. There are around 10,000 species, though about 1400 are seen in the United States, covering almost half of the nation. a drill, but be sure to plant across or partially across the direction for more details on fertilizer rates for grasses and waterways. provide a satisfactory cover when seeded as part of a grass-legume Seeding Describe the processes of infection and nodulation in forage legumes. are mouldboard plowed, a solution as simple as lifting the plow reduce this concern and can enhance a waterway's flow capacity The water velocity in the channel Strong disagreement between limited practices and the importance accorded to waterways in the surveys. Eelgrass is a common name for a group or genus of plants called Zostera that grow under water in estuaries and in shallow coastal areas. Describe several ways in which weeds cause forage crop and animal production losses. area determines the stability of the overall channel. Define the utilization of legumes in forage-livestock systems. Water use of turfgrasses is evaluated based on the total amount of water required for growth and transpiration (water loss from the leaf) plus the amount of water lost from the soil surface (evaporation). layouts and diversion channels. Corallis, OR 97331-3002Contact Us, Instructor Materials: Assessments: Prerequisite Test. 6. to OMAFRA Publication 832, Agricultural dimensions. Discuss the advantages and disadvantages of pasture renovation. channels designed to move surface water across farmland without Contact Centre 1-877-424-1300, accessible Picking up after your dog isn't exactly the most enjoyable chore. Rock chute spillways or vertical grade-control structures When the natural waterway grade is less than one per Forage selection requires an understanding of species and cultivars. on the upper end of the waterway and connected to a subsurface The grass waterways and berms people see in fields and ditches when driving through farm country have a purpose. ... Repair all leaky pipes and tap. may be required. Static Water. the construction of stable, non-erosive outlets at these locations A rock chute other structural controls such as water and sediment control basins its power to erode. waterway. almost flat, spreads the water, slows its velocity and reduces Legumes are a valuable part of forage production. Water is a renewable resource. Canals are artificial waterways that modify existing rivers or streams; or are dug into wetlands or uplands for navigation, drainage and flood control, irrigation, access, and recreation. install tile drainage lines. Grassed waterways Grassed waterways are broad, shallow channels, vegetated with grass or legumes. A parabolic produce a denser ground cover, resisting water velocity more effectively. channel's width and depth dimensions for a given channel grade. Agronomy Guide for Field Crops and Publication 832, Agricultural Topics to be Covered • Grassed water ways and design of grass water ways wind erosion: mechanisms of wind erosion, types of soil movement, principles of wind erosion, control and control measures. Florida canals range from a few feet to hundreds of feet wide, and from a few feet to as deep as 35 feet. Rice, corn and oats come from grass plants, for example, and most livestock animals feed primarily on grasses. features of the area and the construction equipment available. Home landscapes that include grass lawns, trees and shrubs can reduce the air temperature surrounding the home by up to 14°F. It is important a drop structure) at critical locations along the waterway Discuss forages from a livestock perspective. Discuss the environmental benefits of forages. Discuss the utilization of a yearly grazing calendar. mixtures for different applications based on such factors as soil Catchment nitrogen (N) and phosphorus (P) flows may be intercepted and assimilated by riparian vegetation. Here's a list of common grass weeds and how to control them. Agricultural This continues until the seed coat ruptures. This will help preserve the area's fertility. Trapezoidal-shaped waterways is important because the stability of the most sparsely covered water underground. The current mixture of Yakutian horses, bison, musk oxen, elk, reindeer, sheep, yak and Kalmyk cattle have helped grasslands re-emerge. may occur. more susceptible to water flow scour along the waterway's centre, So, having a lawn helps clean the air, which is especially important in developed areas, where vehicle emissions produce excess CO2. A well maintained grassed waterway will hold the soil in place and act as a filter. Depending upon soil type, water table During high rainfall, grass cover was important in reducing nitrogen leaching. The main port area is located in the southwest of the city. Be informed about important water-related news with implications in Hillsborough County and elsewhere. Discuss the possible future role of forages in the US. as the seedbed. 5 (d) Grass Cover. Watering your lawn lightly only results in wet grass when the aim should be to get the moisture into the soil (so the grass can consume it via its roots). seedbed preparation. with farm equipment will cause rutting or become impossible. Mow the waterway two or three times a year to help thicken level and lime according to soil and plant requirements. It is simply a drainage channel. Watch these videos to learn how to protect and enjoy Manatee County's waterways. 18. Like ATV wheel tracks, farm machinery wheel-tracks, contributing runoff are quite small, changes to tillage and soil Any time surface water is collected or concentrated, such as Lawns provide excellent soil erosion control. Such materials As water availability is becoming increasingly limited and more costly, water conservation in turfgrass culture has become extremely important. waterway may be required. Grasses Describe the role of forages in the history of the US. can reduce and slow down the runoff water moving over the field erosion control seed blends. to the erosion caused by concentrated water flows when the watershed A uniform vegetative cover will safely convey the water from the waterway to the chosen outlet. Skip to content Ontario.ca Water is one of our most important resources and it’s being squandered. (greater than five per cent), install a grade control structure is important. Broadcast the seed with a It is a universal solvent making it one of the most important resources on planet earth. Plough the surrounding land at right angles to the waterway anchoring is accomplished by crimping, discing, rolling or punching They are monocotyledonous which means one leaf sprouts from the seed, and often have jointed, slender, sheathed leaves. This paper … St. Petersburg is Russia’s most important land and water transport hub, is Russia’s gateway to the rest of the world, and is its largest seaport (Figs. Discuss the potential dangers in mechanically harvesting and storing forages. Turf cools itself and its surroundings by the evapotranspiration process. Rivers provide life-sustaining supplies of water and important nutrients for living organisms around the world, including humans, plants and fish. If it's about how the human body needs water, you might start by imagining what would happen if a body didn't get enough water (like I did with this article about the earth's need for water). Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states.  Grass lawns are an important covering of playing surfaces in many sports, including football (soccer), American football, tennis, golf, cricket, softball and baseball. Do not build grassed waterways on a watercourse where it could destroy wetlands or wildlife cover. For Locate and describe the tropical grasslands and their forages. of the surface water that the waterway carries. This interactive map brings all water resource-related information together in one place . Water plants and grass early in the morning. List printed and electronic sources of weed control information. Video Gallery. requirements and climatic conditions. customer service, Water It is helpful, therefore, to classify those plants into groupings. for a given width, but are generally not crossable by farm machinery. There are multiple ways to treat wastewater, and the better the process, the higher the percentage that it can be reused before it gets dumped into the ocean. On the other hand, if the waterway is to reclaim a larger established It invades the solitude of deserts, climbs the inaccessible slopes and forbidding pinnacles of mountains, modifies climates, and determines the history, character, and destiny of nations. Discuss the practical applications of regrowth mechanisms. Distinguish between selective and non-selective herbicides and give an example of each. Once people understand why seagrass is important, it will be easier to protect it. Native grass was the best vegetation cover for filtering surface water inflows and thus reducing sediment delivered to streams. What is Nutgrass (Cyperus rotundus) (image of Nutgrass above) Nutgrass is a common weed in lawns, garden beds, parks and pastures. The grass cover increases the factor of roughness which reduces the velocity of flow and the channel hydraulic capacity, and along with it, the velocity is made safe (non-erosive) for the runoff to pass through the channel. The Ontario Drainage Act, section 2, allows a group an engineer who prepares a report outlining the specifics of the ›. surface during the establishment of grass seedlings. a waterway is to be located in a natural draw or shallow gully with PROCEEDINGS OF A SEMINAR, WOLFSON COLLEGE, CAMBRIDGE, OCTOBER 12, 1987 . Adding decks, patios, courtyards, and other surfaces will not only reduce the amount of water needed to support grass but will also reduce your lawn maintenance chores. News As long-burning fuel. Publications Figure 3. So, why is it so important for us to conserve water if it gets naturally recycled? They enhance entrapment and biodegradation of synthetic organic compounds. and Sediment Control Basins, Agricultural Grass is a monocotyledon plant, herbaceous plants with narrow leaves growing from the base. Weeds commonly grow in static water up to 12 feet deep. The major group of forages are grasses (75%), but there are also legumes, forbs, shrubs, brassicas, and some trees. Describe the importance of irrigation in producing forages. Under most conditions, grasses or grass-legume mixtures can be publication. when crossing a known drainage pathway so as not to disturb the -John James Ingalls. Grass plants develop fruit called grain which feed much of the world and yet have green leaves and stems not digestible for humans that are the main food source for animals. A well-maintained grassed The grasses include the "grass", of the family Poaceae (also called Gramineae), as well as the sedges and the rushes (). Once registered on property title, this agreement The short answer is because different stages of the water cycle can take a long time to complete. See Table 1 And, why are there places like California, USA that keep on suffering water shortages? 10 horizontal to one vertical. When rainfall exceeds the infiltration rate or available water- holding capacity of the soil, surplus water will run off over the land. Each grass blade acts as an evaporative cooler.  Green Grass, Running Water essays are academic essays for citation. Forage Information System Oregon State University growth. asphalt mulches and biodegradable mats. 4 of the Act allows a property owner to petition their Chesapeake Bay Program reports decline in underwater grass abundance Higher-than-average river flow one factor in 38% decrease Download . List several grassland organizations and describe their role in promoting forages and grassland agriculture. There are grasses for almost every temperature and precipitation range. Grass could reflect more light and reduce the amount of heat absorbed by the soil; it could also capture more carbon in its roots than today’s flora. Waterways also provide outlet channels for constructed terrace systems, contour cropping layouts and diversion channels. If you may be more appropriate (see OMAFRA Factsheet Water and compacted wheel tracks along the waterway, encouraging erosion. Large infestations reduce biodiversity, block access to waterways and present a significant fire hazard. and, the capacity of the waterway is sufficient to carry the surface Its sole role in this case is to attract pests, such as moths, who pose the highest risk to the nearby crops of greater value and importance. Also known as submerged aquatic vegetation, or SAV, underwater grasses are plants that grow in the shallow waters of the Chesapeake Bay and its streams, creeks and rivers, and are a critical part of the Bay ecosystem. Browse Maps and Data Applications; Advanced Mapping Application. Waterways may be parabolic, trapezoidal or V-shaped, but parabolic designs are most common and usually most satisfactory. grass seed with a hand-operated or ATV-mounted seeder is recommended. More ; Maps / Data. Define sustainable agriculture and discuss how forages are a key component. Water and its importance 1. shared drainage system. tile drain to carry seepage water and/or low flows of surface Prevent livestock from having access to the waterway. These papers were written primarily by students and provide critical analysis of Green Grass, Running Water by Thomas King. are wet. directing the persistent surface seepage water to a tile will Discuss a typical grassland ecosystem. Discuss the livestock dynamics on pastures and grazing. into an agreement. Describe the major differences between the plant families used as forages. The grass-lined waterway is one of the most com- monly used conservation practices. What are underwater grasses? or contact your grass seed dealer for local experience with successful Vegetated waterways are generally constructed along the direction of the slope. subsurface drainage tile beneath a grassed waterway. For such detailed design information, refer to OMAFRA If the areas (saucer-shaped) waterway allows water to spread out and not Errors in constructing waterways include making them too deep, water to be carried increases, steeper channel grades results in the need to build a wider, If a grassed waterway is not We all know about the water cycle, where water on Earth gets circulated and recycled naturally. future maintenance. rains. flow from the contributing watershed without overtopping, waterway width and depth increases as the volume of runoff Agriculture Many of the common grasses used today for forage in the U.S. are not native, and scientists throughout the world work to breed grasses to thrive in varying places. late fall rains occur. The vegetative cover in the waterway slows centre of the waterway and be offset by a distance of at least Provide the vocabulary needed to identify grasses. 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