| 1 | Can i just put a layer of base fertilizer and follow by last layer of sand only? | |
| 2 | AHC used as base fertilizer could reduce the damage of aphid. | |
| 3 | The result indicated that, under the base fertilizer and the topdressing same condition, the variety grain yield and quality difference was remarkable. | |
| 4 | The result indicated that, under the same base fertilization, increases topdressing nitrogen to certain extent could significantly increase grain yield. | |
| 5 | Mainly applicable for spreading fertilizer, sowing seeds and mixture of fertilizer and seeds. |
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