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钾钙混合肥和石灰氮目前已在全区各地大量制造,这两种都是比较新的肥料,现提出介绍它的合理施用方法,以供各地参考,钾钙混合肥,钾钙肥是
Calcium and potassium fertilizer and lime nitrogen has been mass-produced throughout the region, both of which are relatively new fertilizers. A reasonable application method for introducing it is now provided for reference throughout the country. Calcium-calcium mixed fertilizers and potassium-calcium fertilizers are