منابع مشابه
Forage & Grazing Lands
loaded and a portion of the nitrate is absorbed by the blood stream as nitrate and nitrite. Some of the nitrate Nitrate contained in forage may pose performance and health risks that is absorbed recycles back to the rumen through to ruminants. With timely and accurate assessment of forage nitrate levels, steps to reduce the risks of excessive nitrate intake by livestock saliva thereby adding ag...
متن کاملWater Quality Conditions Associated with Cattle Grazing and Recreation on National Forest Lands
There is substantial concern that microbial and nutrient pollution by cattle on public lands degrades water quality, threatening human and ecological health. Given the importance of clean water on multiple-use landscapes, additional research is required to document and examine potential water quality issues across common resource use activities. During the 2011 grazing-recreation season, we con...
متن کاملSurvey Implications for Public Forest Lands
Public timberlands represent the smallest of major ownership classes in Arkansas; of the State’s 18.38 million ac of timberland, the public owns 3.198 million ac, or 17.4 percent. Of that total, > 85 percent is in Federal ownership (70.8 percent in national forests). State lands account for 12.4 percent, and county and municipal lands, about 2 percent. Compared to other ownerships, public timbe...
متن کاملthe effects of soil disturbance due to land use change of forest lands to cultivated lands on biological soil quality indices of forest ecosystems of northern iran
land use change of forest ecosystems in northern iran changes the soil quality of paresar (gilan province) and gorgan (gorgan province) regions. in order to study changes in some biological soil quality indices due to land use change from forest to cultivated lands, composite soil samples from two depths (0-20 and 20-40 cm) were taken from paresar and gorgan regions and urease, alkaline and aci...
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ژورنال
عنوان ژورنال: The Forestry Chronicle
سال: 1952
ISSN: 0015-7546,1499-9315
DOI: 10.5558/tfc28023-1