| Effect of different crop systems and phosphorus placement depth on the canopy structure and production of faba bean |
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| DOI：10.7606/j.issn.1000-7601.2017.03.06 |
| Key Words: faba bean canopy instruction crop systems phosphorus depth yield |
| Author Name | Affiliation | | SHAO Yang | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China | | GUO Yan-ping | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China | | MA Yu-hua | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China | | HE Xiao-qin | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China | | FAN Jian-xiang | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China | | MA Bin | Linxia Academy of Agricultural Sciences, Linxia, Gansu 731100， China |
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| Abstract: |
| Effect of crop systems and phosphorus placement on the canopy structure and production of faba bean were studied using plot and field experiments of three population densities (12 000 plants·667m-2, 13 000 plants·667m-2, 14 000 plants·667m-2), two patterns of seeding (plant per spot, 2 plants per spot) and three phosphorus placement depths (5 m,10 cm, and 20 cm). The results showed that high yield were obtained under 15cm phosphorus depth, 1.3×104 plants·667m-2 and wide-narrow row with 2 plants per spot. Under this pattern, leaf area index, chlorophyll SPAD value and taproot length remained higher until flowering. Increasing plant spacing by decreasing unit area increased pod retention rate and yield, with the treatment yield being higher. |
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