Effect of Different Phosphate Fertilizer Application Amount on Growth and Grain Yield of Maize on High Phosphorus Soil

Adopted random block design, effect of different phosphate fertilizer application amount on growthand grain yield of maize was studied on high phosphorus soil condition. The results showed leaf area index of normalphosphate fertilizer application amount was significantly higher than no phosphate fertilizer application. In jointingstage, SPAD of high phosphate fertilizer application amount was significantly higher than no phosphate fertilizer ap-plication. In silking stage, SPAD of normal phosphate fertilizer application amount was significantly higher than nophosphate fertilizer application and high phosphate fertilizer application amount. Rows per ear and 100-kernelsweight of high phosphate fertilizer application amount were significantly higher than no phosphate fertilizer applica-tion. Dry matter accumulation and grain yield of each treatment had no obvious difference.