-
1
-
-
0004765899
-
Systems engineering principles and applications for the design of a whole-farm information system
-
Alessi, R.S., S. Oberle, and M.E. Mayhew. 1994. Systems engineering principles and applications for the design of a whole-farm information system. J. Prod. Agric. 7:135-143.
-
(1994)
J. Prod. Agric.
, vol.7
, pp. 135-143
-
-
Alessi, R.S.1
Oberle, S.2
Mayhew, M.E.3
-
2
-
-
0001971292
-
Soil fertility management
-
Penn State Univ., University Park
-
Beegle, D.B. 2004a. Soil fertility management. p. 25. In The Penn State agronomy guide. Penn State Univ., University Park.
-
(2004)
The Penn State Agronomy Guide
, pp. 25
-
-
Beegle, D.B.1
-
4
-
-
13544273799
-
Management information systems for the individual farm firm
-
Blackie, M.J. 1976. Management information systems for the individual farm firm. Agric. Syst. 1:23-36.
-
(1976)
Agric. Syst.
, vol.1
, pp. 23-36
-
-
Blackie, M.J.1
-
7
-
-
33749180602
-
Soil management
-
Penn State Univ. University Park
-
Duiker, S.W. 2004. Soil management. p. 3-6. In The Penn State agronomy guide. Penn State Univ. University Park.
-
(2004)
The Penn State Agronomy Guide
, pp. 3-6
-
-
Duiker, S.W.1
-
8
-
-
13544258611
-
-
FileMaker, Santa Clara, CA
-
FileMaker. 2004. FileMaker Pro 6. FileMaker, Santa Clara, CA.
-
(2004)
FileMaker Pro 6
-
-
-
9
-
-
0011391714
-
Response of corn to nitrogen fertilizer and the prediction of soil nitrogen availability with chemical tests in Pennsylvania
-
Penn State Univ., University Park
-
Fox, R.H., and W.P. Piekielek. 1983. Response of corn to nitrogen fertilizer and the prediction of soil nitrogen availability with chemical tests in Pennsylvania. Pennsylvania Agric. Exp. Stn. Bull. 843. Penn State Univ., University Park.
-
(1983)
Pennsylvania Agric. Exp. Stn. Bull. 843
, vol.843
-
-
Fox, R.H.1
Piekielek, W.P.2
-
12
-
-
13544258610
-
-
USDA Soil Conserv. Serv., Washington, DC
-
Helms, D. 1992. The development of the land capability classification [Online]. Available at www.nrcs.usda.gov/about/history/articles/ LandClassification.html (verified 15 Sept. 2004). USDA Soil Conserv. Serv., Washington, DC.
-
(1992)
The Development of the Land Capability Classification [Online]
-
-
Helms, D.1
-
13
-
-
0034860642
-
An assessment of SARE-funded research on sustainable agriculture in the north central U.S.
-
Kroma, M.M., and C.B. Flora. 2001. An assessment of SARE-funded research on sustainable agriculture in the north central U.S. Am. J. Altern. Agric. 16(2):73-76.
-
(2001)
Am. J. Altern. Agric.
, vol.16
, Issue.2
, pp. 73-76
-
-
Kroma, M.M.1
Flora, C.B.2
-
14
-
-
13544276777
-
-
Minitab, Inc., State College, PA
-
Minitab. 2001. MINITAB 11. Minitab, Inc., State College, PA.
-
(2001)
MINITAB 11
-
-
-
15
-
-
13544276170
-
-
Field Crop News. 26 June 1998
-
Murphy, T.B., and G. Hostetter. 1998. Agents corner [Online]. Available at http://fcn.agronomy.psu.edu/FCN988.htm (verified 14 Sept. 2004). Field Crop News. 26 June 1998.
-
(1998)
Agents Corner [Online]
-
-
Murphy, T.B.1
Hostetter, G.2
-
16
-
-
0004149270
-
-
Irwin, Inc., New York
-
Neter, J., M.H. Kutner, C.J. Nachtsheim, and W. Wasserman. 1996. Applied linear statistical models. 4th ed. Irwin, Inc., New York.
-
(1996)
Applied Linear Statistical Models. 4th Ed.
-
-
Neter, J.1
Kutner, M.H.2
Nachtsheim, C.J.3
Wasserman, W.4
-
17
-
-
13544273800
-
-
Williamsport, PA [Online]. Northeast Regional Clim. Cent., Cornell Univ., Ithaca, NY
-
Northeast Regional Climate Center. 2004. Comparative climate data for the U.S. normal precipitation. Williamsport, PA [Online]. Available at www.nrcc.cornell.edu/ccd/nrmpcp.html (verified 14 Sept. 2004). Northeast Regional Clim. Cent., Cornell Univ., Ithaca, NY.
-
(2004)
Comparative Climate Data for the U.S. Normal Precipitation
-
-
-
18
-
-
0012517984
-
Farming systems options for U.S. agriculture: An agroecological perspective
-
Oberle, S. 1994. Farming systems options for U.S. agriculture: An agroecological perspective. J. Prod. Agric. 7:119-123.
-
(1994)
J. Prod. Agric.
, vol.7
, pp. 119-123
-
-
Oberle, S.1
-
19
-
-
0035211189
-
Managing farming systems for nitrate control
-
Power, J.F., R. Wiese, and D. Flowerday. 2001. Managing farming systems for nitrate control. J. Environ. Qual. 30:1866-1880.
-
(2001)
J. Environ. Qual.
, vol.30
, pp. 1866-1880
-
-
Power, J.F.1
Wiese, R.2
Flowerday, D.3
-
20
-
-
0028684431
-
Integrating mineralizable nitrogen indices into fertilizer nitrogen recommendations
-
SSSA Spec. Publ. 40. SSSA, Madison, WI
-
Rice, C.W., and J.L. Havlin. 1994. Integrating mineralizable nitrogen indices into fertilizer nitrogen recommendations. p. 1-12. In Soil testing: Prospects for improving nutrient recommendations. SSSA Spec. Publ. 40. SSSA, Madison, WI.
-
(1994)
Soil Testing: Prospects for Improving Nutrient Recommendations
, pp. 1-12
-
-
Rice, C.W.1
Havlin, J.L.2
-
21
-
-
0025925727
-
Maize production impacts on groundwater quality
-
Schepers, J.S., M.G. Moravek, E.E. Alberts, and K.D. Frank. 1991. Maize production impacts on groundwater quality. J. Environ. Qual. 20:12-16.
-
(1991)
J. Environ. Qual.
, vol.20
, pp. 12-16
-
-
Schepers, J.S.1
Moravek, M.G.2
Alberts, E.E.3
Frank, K.D.4
-
22
-
-
0006901026
-
Nutrient and water use efficiency
-
M.E. Sommers (ed.) CRC Press, Boca Raton, FL
-
Westerman, R.L., W.L. Raun, and G.V. Johnson. 1999. Nutrient and water use efficiency. p. 175-189. In M.E. Sommers (ed.) Handbook of soil science. CRC Press, Boca Raton, FL.
-
(1999)
Handbook of Soil Science
, pp. 175-189
-
-
Westerman, R.L.1
Raun, W.L.2
Johnson, G.V.3
-
23
-
-
0001970921
-
Recommended soil tests for macronutrients: Phosphorus, potassium, calcium, and magnesium
-
J. Thomas Sims and A. Wolf (ed.) Northeast Regional Bull. 493. Agric. Exp. Stn., Univ. of Delaware, Newark
-
Wolf, A.M., and D.B. Beegle. 1995. Recommended soil tests for macronutrients: Phosphorus, potassium, calcium, and magnesium. p. 25-34. In J. Thomas Sims and A. Wolf (ed.) Recommended soil testing procedures for the Northeastern United States. Northeast Regional Bull. 493. Agric. Exp. Stn., Univ. of Delaware, Newark.
-
(1995)
Recommended Soil Testing Procedures for the Northeastern United States
, pp. 25-34
-
-
Wolf, A.M.1
Beegle, D.B.2
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