In a new study from the University of Illinois, scientists document waterhemp’s resistance to yet another class of herbicides, known as Group 15s. The study provides the first documentation of a non-grass plant to be resistant to Group 15 herbicides.
If soils are too acidic, phosphorus reacts with iron and aluminum, making it unavailable to plants. But if soils are too alkaline, phosphorus reacts with calcium and also becomes inaccessible. However, liming can influence other ways by which phosphorus might become available to plants.
If you’re running a farm yourself or managing someone else’s operation, yes, you’re a farmer, but you’re also a businessperson. After all, whether it’s a smaller, family-owned venture or a larger, corporate enterprise, the end game is some form of profitability.
Corn and soybean take up relatively large amounts of phosphorus (P) and potassium (K), and much of this P and K ends up in the grain that is taken off the field during harvest. In order to keep soil nutrient levels from dropping over time, the amounts removed need to be replaced by applying fertilizer or manure. In order to know how much nutrient a crop removes, we need to know how much there is in a bushel of harvested grain.
On this episode of Conservation Ag Update, brought to you by CultivAce, Hickory, N.C., record-breaking no-tiller Russell Hedrick shares how he was able to decrease his soybean seeds per pound from 2,800 to under 1,400.
In the Farmer Feature segment, Hopkinton, Iowa, no-tiller Ryan Gibbs gives a crash course on how to use a refractometer to measure brix levels in corn and soybeans.
Needham Ag understands the role of technology in making better use of limited resources within a specific environment by drawing on a wealth of global experience to overcome the challenges facing today's farmers, manufacturers and dealers.