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Huaxian County Fertilizer Station Yue Xiuli
The best fertilizer for wheat leaf surface nitrogen spraying
Foliar nitrogen injection can be used with urea and ammonium sulfate, but many experiments have shown that spraying urea solution has a greater effect on increasing grain protein content than ammonium sulfate solution when the total amount of nitrogen is the same. For example, in some experiments, spraying urea solution increased the grain protein content by 1.2-2.6 percentage points, and spraying ammonium sulfate solution increased the protein content by 0.7-2.3 percentage points. At the same time, the effect on the content of lysine is that the effect of spraying urea is good.
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