ZHANG Haoyu, ZHANG Jun, ZHANG Fenglin, et al. Effects of Different Phosphorus Fertilizerson Soil Phosphorus Availability and Maize Yield Under Drip Irrigation[J]. 2019, 33(2): 189-195.
DOI:
ZHANG Haoyu, ZHANG Jun, ZHANG Fenglin, et al. Effects of Different Phosphorus Fertilizerson Soil Phosphorus Availability and Maize Yield Under Drip Irrigation[J]. 2019, 33(2): 189-195. DOI: 10.13870/j.cnki.stbcxb.2019.02.030.
Effects of Different Phosphorus Fertilizerson Soil Phosphorus Availability and Maize Yield Under Drip Irrigation
The effects of different phosphorus (P) fertilizers on the dynamics and distribution of soil P availability and the maize P uptake and yield were studied by the simulation experiments and field experiments. Both experiments included 4 P fertilizers application treatments respectively
which were control (no phosphate fertilizer)
MAP (monoammonium phosphate)
UP (urea phosphate)
and AAP (water-soluble ammonium polyphosphate). In the simulation experiments
the available P contents in soil were increased by different P fertilizers
and the highest P content was observed in the APP applied soil of 10-15 cm. Under the general nutrient input and management level
soil acidification was found in all three P fertilizers treatments
of which UP gave the most significance. In the field experiment
the available P content in soil treated by APP was higher in deep soil at the late growing period of maize
and the pH value of soil treated by UP was lower
both of which were conducive to improving soil P supply capacity and improving soil available P content. The APP application had a significant promoting effect on root development
resulting in the highest P content and P absorption in maize tissues and the highest yield (14.40 t/hm2). Among the three P fertilizers
APP mobility was relatively better
resulting in the increased contents of available P in the deep soil
which could be conducive to root growth and nutrient absorption
and improving maize yield. Therefore
APP is a kind of P fertilizer suitable for maize water and fertilizer management.
Wen Z H, Shen J B, Martin B, et al. Combined applications of nitrogen and phosphorus fertilizers with manure increase maize yield and nutrient uptake via stimulating root growth in a long-term experiment[J].Pedosphere,2016,26(1):62-73.
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Related Institution
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National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, School of Resources and Environment, Shandong Agricultural University, Taian
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