The old Bray-1 method required multiple samples to provide a full nutrient picture of the sample, slowing the process and increasing the cost. In contrast, the new method, called Mehlich-3, requires ...
Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...
BEIJING/SINGAPORE, Jan 20 (Reuters) - China has bought about 12 million metric tons of U.S. soybeans, fulfilling a U.S.-stated pledge to purchase that volume by the end of February, three traders told ...
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