Crop Management Observations
Soil Testing August 20th, 2007
1. Count leaves when the collar shows. Three Leaf Plant The round tipped leaf is No. 1 (1).
2. Corn has approximately 20 days food reserve in the seed (2).
3. The seed’s food reserve provides energy and supports the plant through the three leaf stage or about ten days after emergence. Within this time:
a. When the shoot hits light, the secondary root system and growing point will be about 1-1/4 – 1-1/2″ below the soil surface.
b. At the growing point, the primary ear has been initiated. The number of rows and approximately the first 14 kernels of each row are also determined.
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