(Time: 00:13:43) Information is presented on potassium processes in the soil-plant system; potassium soil testing; potassium fertilizer recommendation concepts; fertilizer and manure potassium management; and, best management practices for K fertilization.
(Time: 00:20:05) Information is presented on basic phosphorus processes in the soil-plant system; phosphorus soil testing; phosphorus interpretations and recommendations concepts; phosphorus fertilizer and manure management; management practices for P fertilization; and, case studies in phosphorus management.
(Time: 00:22:59) Information is presented on basic nitrogen processes in the soil-plant system; rate determination and economic response; soil testing and rate adjustment; application timing, product and placement; chlorophyll/canopy sensing and plant sampling; variable rate technology; and, case studies in nitrogen management.
(Time: 00:17:31) Information is presented on the seventeen chemical elements essential for plant growth, how plants need various amounts of these elements, the mobility of these elements within the plant, how the elements vary in concentration in harvested crop components, and an overview of nutrient diagnostic methods.
(Time: 1:30:56) This video compares conventional and no-till cropping systems in regards to nutrient management, nutrient cycling, contamination pathways and covers specific considerations for nutrient management in no-till cropping systems.
(Time: 17:42) This video focuses on the reproductive stages of growth and development of soybeans.
(Time: 16:39) This video focuses on the early season growth and development of soybeans
(Time: 12:35) This video discusses components contributing to yield in soybeans including varietal selection, regional climate and fertilization.
(Time 24:02) Dr. Joe Lauer's presentation about "Corn Growth, Development, and Physiology". This part (3 of 3) focuses on the components that contribute to yield in corn.
(Time 41:01) Dr. Joe Lauer's presentation about "Corn Growth, Development, and Physiology". This part (2 of 3) focuses on systems used to label stages of corn plant development in Wisconsin and the US.