Results 31 to 40 of about 2,342 (246)
Large-Scale Dryland Cropping Systems
A large-scale dryland cropping systems research and demonstration project at the Southwest ResearchExtension Center near Tribune, Kansas, evaluated two summer crops (corn and grain sorghum) along with winter wheat in crop rotations varying in length from 1 to 4 years.
A. Schlegel, L. Haag
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Conservation Systems for Positive Net Ecosystem Carbon Balance in Semiarid Drylands
Core Ideas The soil organic C dynamics and net ecosystem C balance of five dryland cropping systems were compared. Conservation systems stored up to 15% more soil organic C than conventional system.
Vesh R. Thapa +3 more
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Relating soil physical properties to other soil properties and crop yields
Soil physical properties can be related to other soil properties and crop yields, but their evaluations as soil health indicators relating to extensive soil properties and long-term crop yields need further exploration. We evaluated the long-term (14 and
Upendra M. Sainju +2 more
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The global temperature increase of 1.1°C over the past decade and human population growth are already escalating competition for water in locations where water is scarce, adversely affecting agriculture.
Felix Frimpong +11 more
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Included here are transcripts and sound recordings for Wheat Beat, a podcast produced by Washington State University Extension Dryland Cropping ...
WSU Extension Dryland Cropping Systems
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Landscape-scale cropping changes in the High Plains: economic and environmental implications
A global transformation in semi-arid cropping systems is occurring as dryland (non-irrigated) farmers in semi-arid regions shift from crop rotations reliant on year-long bare fallows, called summer fallow, to more intensively cropped systems ...
Steven T Rosenzweig, Meagan E Schipanski
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Enzyme activities as soil health indicators in relation to soil characteristics and crop production
Soil enzyme activities are known for early indicators of soil health but have not been related to most soil properties and crop yields. We examined the relationships among activities of four soil enzymes (β‐glucosidase [BG], N‐acetyl‐β‐glucosaminidase ...
Upendra M. Sainju +2 more
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Rice Paddies Reduce Subsequent Yields of Wheat Due to Physical and Chemical Soil Constraints
Yields of wheat crops that succeed rice paddy crops are generally low. To date, it has been unclear whether such low yields were due to rice paddies altering soil physical or mineral characteristics, or both.
Rui Yang +12 more
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Information is needed on the long‐term impact of cropping system and N fertilization on dryland soil health and crop yields. We studied the 13‐yr effect of cropping system and N fertilization rate on soil chemical properties at the 0‐ to 60‐cm depth and ...
Upendra M. Sainju, Sikiru Y. Alasinrin
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Ground beetles (Carabidae) are beneficial insects providing ecosystem services by regulating insect pests and weed seeds. Despite several studies conducted on ground beetles worldwide, there is a lack of knowledge on how these insects are affected by ...
Subodh Adhikari, Fabian D. Menalled
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