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Crop yields
(47)
crop yield
(42)
Mathematical models
(13)
Yields
(13)
agricultural forecasts
(11)
corn
(11)
United States
(10)
Zea mays
(10)
Agricultural estimating and reporting
(9)
Corn
(9)
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Authors
United States Dept. of Agriculture.
(4)
United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
(4)
Warren, Fred B.
(4)
Fecso, Ron.
(3)
Lyndon B. Johnson Space Center
(3)
Sebaugh, Jeanne L.
(3)
Steele, Ronald J.
(3)
Bellow, Michael E.
(2)
Pawel, David.
(2)
Strand, Bruce W.
(2)
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Year
1986
(5)
1978
(3)
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(3)
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(3)
1984
(3)
1990
(3)
1965
(2)
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(2)
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(2)
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892
United States. Dept. of Agriculture. Economic Research Service.
820
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777
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720
United States Dept. of Agriculture. Economic Research Service.
621
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602
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1.
A comparison of slit tillage and subsoiling in a subsurface hardpan soil
Author(s):
Busscher, W. J.
Subject(s):
Tillage
,
No-tillage
,
Duricrusts
,
Soil ripping
,
Crop yields
,
tillage
,
crops
,
yields
Year:
1993
2.
A quality assessment of near real-time precipitation data used to make crop yield forecasts
Author(s):
Myers, M. Denise McCormick.
,
United States National Agricultural Statistics Service. Research Division.
Subject(s):
Agricultural estimating and reporting
,
Crop yields
,
precipitation
,
regression analysis
,
agricultural forecasts
,
crop yield
,
United States
Year:
1994
3.
Advances in estimating crop yield through combined remote sensing and growth modeling
Author(s):
Maas, Stephan Joseph 1950-
,
Subtropical Agricultural Research Laboratory (U.S.)
Subject(s):
Agricultural estimating and reporting
,
Crop yields
,
Agriculture
,
Remote sensing
,
estimation
,
crop yield
,
remote sensing
,
growth models
Year:
1990
4.
An assessment of crop production estimators used with the objective yield surveys
Author(s):
Fecso, Ron.
,
Francisco, Carol A.
,
Fuller, Wayne A.
,
United States National Agricultural Statistics Service. Statistical Research Division.
Subject(s):
Agricultural surveys
,
United States
,
Crop yields
,
crop production
,
crop yield
,
estimation
Year:
1986
5.
An evaluation of two feedback versions of the Ceres-Maize model
Author(s):
Iwig, William C.
,
Klugh, Benjamin F.
,
United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject(s):
Corn
,
Yields
,
Forecasting
,
Mathematical models
,
Sampling
,
Crop yields
,
Simulation methods
,
corn
,
agricultural forecasts
,
data analysis
,
sampling
,
yields
,
simulation models
,
mathematical models
Year:
1986
6.
An examination of correlations in board reported yields for several commodities
Author(s):
Pawel, David.
,
Fecso, Ron.
,
Little, Joyce.
,
United States National Agricultural Statistics Service. Research and Applications Division.
Subject(s):
Agricultural estimating and reporting
,
Crop yields
,
Statistics
,
Correlation (Statistics)
,
Multivariate analysis
,
crop yield
,
agricultural statistics
,
estimation
,
correlation
,
multivariate analysis
Year:
1989
7.
An overview of the 1985 corn, cotton, soybean, and wheat objective yield surveys
Author(s):
Matthews, Ralph V.
Subject(s):
Crop yields
,
crop yield
,
corn
,
Zea mays
,
cotton
,
Gossypium
,
soybeans
,
Glycine max
,
wheat
,
Triticum
Year:
1985
8.
Auxiliary use of LANDSAT data in estimating crop yields
Author(s):
Sigman, R. S.
Subject(s):
Agricultural estimating and reporting
,
Crop yields
,
Landsat satellites
,
agricultural forecasts
,
crop yield
,
Landsat
Year:
1980
9.
Bias of soybean objective yield estimators due to variation in row space width
Author(s):
Pawel, David.
Subject(s):
Soybean
,
Crop yields
,
soybeans
,
Glycine max
,
crop yield
,
row spacing
Year:
1990
10.
Comparison of 1964 objective and reported corn yields from weighed and non-weighed fields
Author(s):
United States Dept. of Agriculture. Statistical Reporting Service. Standards and Research Division. Research and Development Branch.
Subject(s):
Corn
,
Yields
,
Crop yields
,
corn
,
Zea mays
,
crop yield
Year:
1965
11.
Comparison of methods for estimating crop yield at the county level
Author(s):
Bellow, Michael E.
,
United States National Agricultural Statistics Service. Research and Development Division.
Subject(s):
Agricultural surveys
,
United States
,
Methodology
,
Crop yields
,
estimation
,
simulation models
,
Colorado
,
Florida
,
Michigan
,
Mississippi
,
New York
,
North Dakota
,
Ohio
,
Oklahoma
,
Tennessee
,
Washington
Year:
2007
12.
Comparison of objective yield to combine harvested yield in soybeans
Author(s):
Battaglia, Robert J.
Subject(s):
Soybean
,
Yields
,
Crop yields
,
Combines (Agricultural machinery)
,
soybeans
,
Glycine max
,
crop yield
,
combine harvesters
,
analysis of variance
Year:
1986
13.
Comparison of the CEAS and Thompson-type models for corn yields in Iowa, Illinois, and Indiana
Author(s):
Cotter, James J.
Subject(s):
Corn
,
Yields
,
Iowa
,
Illinois
,
Indiana
,
Crop yields
,
Mathematical models
,
corn
,
Zea mays
,
crop yield
,
mathematical models
Year:
1984
14.
Comparison of the CEAS and Thompson-type models for soybean yields in Iowa, Illinois, and Indiana
Author(s):
Sebaugh, Jeanne L.
Subject(s):
Soybean
,
Yields
,
Iowa
,
Illinois
,
Indiana
,
Crop yields
,
Mathematical models
,
soybeans
,
Glycine max
,
crop yield
,
mathematical models
Year:
1983
15.
Corn objective yield
Author(s):
Steele, Ronald J.
Subject(s):
Corn
,
Yields
,
Crop yields
,
corn
,
Zea mays
,
crop yield
Year:
1987
16.
Corn objective yield
Author(s):
Steele, Ronald J.
Subject(s):
Corn
,
Yields
,
Forecasting
,
Crop yields
,
corn
,
Zea mays
,
crop yield
,
agricultural forecasts
Year:
1986
17.
Corn yield validation studies, 1953-83
Author(s):
Warren, Fred B.
Subject(s):
Corn
,
Yields
,
Crop yields
,
corn
,
Zea mays
,
crop yield
Year:
1985
18.
Criteria for identifying candidate yield models
Author(s):
AgRISTARS Program
Subject(s):
Crop yields
,
Mathematical models
,
crop yield
,
yield monitoring
,
agricultural management models
Year:
1980
19.
Crop production in Niger (1973)
Author(s):
Warren, Fred B.
,
United States Dept. of Agriculture.
,
United States Agency for International Development.
Subject(s):
Agriculture
,
Economic aspects
,
Niger
,
Crop yields
,
agricultural economics
,
crop yield
Year:
1974
20.
ESCS objectives for yield forecasting models and method of evaluation
Author(s):
Klugh, B. F.
Subject(s):
Cotton
,
Yields
,
Mississippi
,
Crop yields
,
cotton
,
Gossypium
,
crop yield
,
agricultural forecasts
Year:
1978
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