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Subjects cropping systems Remove constraint cropping systems: cropping systems
Displaying items 1 - 10 of 246 start over

1. "No-till" farming is a growing practice

Description:
Title from title screen (viewed Nov. 9, 2010).
Author:
Horowitz, John. , Ebel, Robert. , Ueda, Kohei 1981- , United States Dept. of Agriculture. Economic Research Service.
Subject:
No-tillage , United States , Statistics , Agricultural surveys , United States , tillage , Agricultural Resource Management Study , cropping systems , Conservation Effects Assessment Project , carbon sequestration , United States
Year:
2010

2. 1983 corn and soybean production input and cropping practices in Illinois, Iowa and Missouri

Description:
"August 1984"
Author:
Padgitt, Merritt. , United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject:
Corn , Illinois , Statistics , Corn , Iowa , Statistics , Corn , Missouri , Statistics , Soybean , Illinois , Statistics , Soybean , Iowa , Statistics , Soybean , Missouri , Statistics , Zea mays , soybeans , Glycine max , crop production , cropping systems , tillage , Illinois , Iowa , Missouri
Year:
1984

3. A simple way to increase crop yields: methods followed by farmers of the coastal plain section of the central Atlantic states in building up soil ferfility

Author:
Miller, H. A. (Harry Alanson) , 1874-
Subject:
Cropping systems Middle Atlantic States , cropping systems , soil management , soil fertility , fertilizers , animal manures , cover crops , green manures , legumes , crop residues , crop residue management , plant cultural practices , case studies , crop rotation
Physical description:
24 p. : ill., 1 map ; 23 cm.
Additional Author(s):
Miller, H. A. (Harry Alanson) , 1874-
Collection:
Organic Roots Collection
Series:
Farmers' bulletin

4. A Chemical Fractionation for Structure-Function Relations of Soil Organic Matter in Nutrient Cycling

Description:
Includes references
Author:
Olk, D.C.
Subject:
soil nutrient dynamics , soil organic matter , biogeochemical cycles , fractionation , soil chemistry , extraction , land use change , humic acids , humates , nitrogen , mineralization , tropical soils , cropping systems , nutrient uptake , potassium , flooded conditions , rice , cotton , phenolic compounds , soil chemical properties , cations , case studies , literature reviews
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

5. A Comparison of Growth and Sucrose Metabolism in Sugarcane Germplasm from Louisiana and Hawaii

Description:
Includes references
Author:
Lingle, S.E. , Tew, T.L.
Subject:
Saccharum , sugarcane , plant growth , germplasm , crop yield , Saccharum robustum , cropping systems , plant development , sucrose , dry matter accumulation , Saccharum spontaneum , beta-fructofuranosidase , sucrose synthase , enzyme activity , sucrose-phosphate synthase , sugar content , internodes , water content , Louisiana , Hawaii
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

6. A conservation tillage research update from the Coastal Plain Soil and Water Conservation Research Center of South Carolina: A review of previous research

Description:
Includes references
Author:
Sojka, R.E. , Karlen, D.L. , Busscher, W.J.
Subject:
conservation tillage , research , coastal plain soils , sandy loam soils , soil water , soil strength , soil fauna , soil microorganisms , cropping systems , agricultural runoff , water quality , South Carolina
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1991

7. A corn-belt farming system which saves harvest labor by hogging down crops

Description:
Caption title.
Author:
Drake, J. A. (J. Allen) 1875-
Subject:
animal husbandry , livestock , Harvesting , Middle West , cropping systems , crop rotation , livestock production , grazing management , farm income
Collection:
Organic Roots Collection

8. A decade of advances in cover crops: Cover crops with limited irrigation can increase yields, crop quality, and nutrient and water use efficiencies while protecting the environment

Description:
Includes references
Author:
Delgado, J.A. , Dillon, M.A. , Sparks, R.T. , Essah, S.Y.C.
Subject:
literature reviews , cover crops , irrigation requirement , crop yield , nutrient use efficiency , water use efficiency , environmental impact , pollution control , water quality , soil conservation , water conservation , cropping systems , food quality , erosion control , cooperative research , Agricultural Research Service , Natural Resources Conservation Service , universities , university research , field experimentation , on-farm research
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

9. A Mississippi flood control reservoir: life expectancy and contamination

Description:
Includes references
Author:
Cooper, Charles M. , Smith, Sammie Jr. , Testa, Sam III , Ritchie, Jerry C. , Welch, Terry
Subject:
reservoirs , streams , agricultural watersheds , sediment deposition , agricultural runoff , heavy metals , pesticide residues , water quality , water pollution , water management , cotton , soybeans , corn , sweet potatoes , cropping systems , Mississippi
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

10. A visual guide to help producers manage jointed goatgrass

Description:
Includes references
Author:
Anderson, R.L.
Subject:
Aegilops cylindrica , integrated weed management , decision making , Triticum aestivum , winter wheat , weeds , seedling emergence , seed productivity , seed dispersal , herbicides , application timing , imazamox , imidazolinone herbicides , glyphosate , nitrogen fertilizers , geographical variation , seasonal variation , planting date , grass weeds , weed control , buried seeds , plant density , cropping systems , Great Plains region , Northwestern United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007