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| Year | Stories |
|---|---|
| 1897 | 2 |
| 1898 | 1 |
3 stories matching nitrogen
Scanning errors are common in old newsprint. Also try:nitro, nitr, rogen, nitroglycerin, nitrat, nitric
- The Great Soil Debate of 1897
A Washington agricultural expert challenges the common practice of summer-fallowing, warning that the method is depleting the state's soil nitrogen and threatening long-term fertility.
- The Future of Farming at Washington Agricultural College
A visit to the Pullman campus reveals the experimental work being done to improve Eastern Washington's agricultural yields.
- The Great Wheat Debate: Can Eastern Washington Change Its Ways?
A professor and a local farmer clash over the future of the region's soil, debating whether to abandon the 'summer-fallow' method for a more sustainable crop rotation.