'Biomass accumulation' presentation slideshows

364 views • 26 slides

Physiological Response of Johnsongrass to Herbicides

Physiological Response of Johnsongrass to Herbicides. J. A. Ferrell, H. J. Earl, W. K. Vencill University of Georgia. SORHA Competition. 1:1 inverse-linear relationship between corn yield and SORHA biomass (Perry et al 1983) Soybean yield reduction 43% (McWhorter and Hartwig 1972)

342 views • 25 slides

Change AVHRR band 1 to only green & red regions

33 years of non-stationary global land photosynthetic capacity observations Compton Tucker & Jorge Pinzon NASA/GSFC. Change AVHRR band 1 to only green & red regions Ground studies NDVI time series for biomass accumulation Transfer NDVI-biomass method to AVHRR data

334 views • 21 slides

Duration of yellow nutsedge competitiveness after treatment with various herbicides

Duration of yellow nutsedge competitiveness after treatment with various herbicides. J. A. Ferrell*, H. J. Earl, W. K. Vencill University of Georgia. CYPER Competition. C4 perennial that reproduces vegetatively Higher photosynthetic rate than most crop species.

327 views • 20 slides

Back to basics

Back to basics. Food chain: a representation of the passage of energy across trophic levels (from primary producers through consumers) Trophic level: trophic position in the food chain

312 views • 15 slides

Clicker Question 1:

209 views • 8 slides