Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"hay-yield"”.
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Development of hay yield monitoring systems
… waste. Precision agriculture enhances crop yield and quality, balancing economic and environmental interests. Simultaneously, hay production in agriculture, crucial for livestock during scarce pasture periods, benefits from these advancements. Its harvesting process, aimed at preserving …
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Nohut geveni (Astragulus cicer L.)-ayrık (Agrapyran GAERTN) ekimi karışım oranlarının yem verimi ve botanik kompozisyonu etkileri üzerinde araştırmalar
… in the years between 1995 and 1997 at the Haymana İkizce Experimental Station of The Research Center for the Field Crops. Total of the eleven combinations of cicer milkvetch, crested wheatgrass and intermediate wheatgrass made up the mixtures as at the ratios of 20, 40, 60, 80 % and pure …
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Effects of Manure Injection on Transport and Transformation of Nutrient and Antibiotics
… focused on changes in N cycling, orchardgrass hay yield and quality, and transport and transformation of pirlimycin and cephapirin, two common antibiotics in dairy production, when manure is injected. Subsurface injection eliminated ammonia volatilization and N loss in runoff and increased soil …
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Forage Yield Variability on New York Dairy Farms
… more homegrown forage. As a consequence higher yields will reduce feed imports and enhance nutrient use efficiency. To improve forage production, limitations to production need to be identified. While yield records can provide integral information, whole farm evaluations have shown that accurate …
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The design and performance of a unit to dry long hay on wagons
Hay is one of Virginia's important agricultural crops. It ranks third in dollar value, being exceeded in value only by corn and tobacco. The 1948 hay crop was valued at $46,486,000 according to the Virginia Crop Reporting Service (16), and 1,414,000 acres of land were used to produce approximately …
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Compatibility, Yield, and Quality of Warm-Season Grass-Legume Mixtures
… grass maturity at harvest simulating pasture and hay systems were tested. Six interseeded legume species and two grass monoculture checks, one with 56 kg N/ha applied in spring and after each harvest, the other with no N, were imposed as sub-plots. Legume species included alfalfa, red clover, …
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Zur Rekonstruktion historischer Biodiversität aus archivalischen Quellen: Das Beispiel des Oderbruchs (Brandenburg) im 18. Jahrhundert
Die vorliegende Arbeit demonstriert die Nutzbarkeit und Leistungsfähigkeit, wie auch die Grenzen archivalischer Quellen und Sammlungsbestände für die Rekonstruktion historischer Biodiversität. Der Untersuchungsrahmen umfasst das Oderbruch, eine im Nordosten Brandenburgs (Deutschland) gelegene …