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By-Plant Prediction of Corn Forage Biomass and Nitrogen Uptake at Various Growth Stages Using Remote Sensing and Plant Height

^a Monsanto Co., 41006 Old Leland Rd., Leland, MS 38756
^b Dep. of Plant and Soil Sciences, 368 Agricultural Hall, Oklahoma State Univ., Stillwater, OK, 74078
^c Ohio State Univ., OARDC-SENR, 1680 Madison Ave., Wooster, OH 44691
^d Dep. of Agronomy, 2308 Throckmorton Plant Sciences Center, Kansas State Univ., Manhattan, KS 66506
^e Dep. of Crop and Soil Sciences, 123 Horticultural Bldg., Univ. of Georgia, Tifton, GA 31793

View larger version (33K): [in this window] [in a new window]   Fig. 1. Relationship between plant height and dry plant biomass for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell, in 2003, 2004, and 2005.

View larger version (26K): [in this window] [in a new window]   Fig. 2. Relationship between plant height and dry plant biomass for individual corn plants at growth stages ranging between V11–R1 at Efaw and Perkins, in 2003 and 2004.

View larger version (37K): [in this window] [in a new window]   Fig. 3. Relationship between the product of NDVI and plant height and dry plant biomass for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell in 2003, 2004, and 2005.

View larger version (30K): [in this window] [in a new window]   Fig. 4. Relationship between the product of NDVI and plant height and dry plant biomass for individual corn plants at growth stages ranging between V11–R1 at Efaw and Perkins, in 2003 and 2004.

View larger version (31K): [in this window] [in a new window]   Fig. 5. Relationship between NDVI and dry biomass yield for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell in 2003, 2004, and 2005.

View larger version (33K): [in this window] [in a new window]   Fig. 6. Relationship between plant height and dry biomass yield for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell in 2003, 2004, and 2005.

View larger version (34K): [in this window] [in a new window]   Fig. 7. Relationship between the product of NDVI and plant height and dry biomass yield for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell in 2003, 2004, and 2005.

View larger version (29K): [in this window] [in a new window]   Fig. 8. Relationship between the product of NDVI and plant height and dry biomass yield for individual corn plants at growth stages ranging between V11–R1 at Efaw and Perkins in 2003 and 2004.

View larger version (31K): [in this window] [in a new window]   Fig. 9. Relationship between NDVI and forage N uptake for individual corn plants at growth stages ranging between V8–V10 at Efaw, Perkins, and Lake Carl Blackwell in 2003, 2004, and 2005.

View larger version (27K): [in this window] [in a new window]   Fig. 10. Relationship between NDVI and corn forage N uptake for individual corn plants at growth stages ranging between V11–R1 at Efaw and Perkins in 2003 and 2004.

View larger version (28K): [in this window] [in a new window]   Fig. 11. Relationship between the product of NDVI and plant height and corn forage N uptake for individual corn plants at growth stages ranging between V11–R1 at Efaw and Perkins in 2003 and 2004.