Toman, Frank R Changes in Certain Nitrogen Fractions and Nitrate Reductase Activity in Crowns of Three Varieties of Winter Wheat During Cold Hardening and Dehardening
![Toman, Frank R Changes in Certain Nitrogen Fractions and Nitrate Reductase Activity in Crowns of Three Varieties of Winter Wheat During Cold Hardening and Dehardening](/image/97/81/01/42/67/71/9/9781014267719.webp)
Changes in Certain Nitrogen Fractions and Nitrate Reductase Activity in Crowns of Three Varieties of Winter Wheat During Cold Hardening and Dehardening