| Effects of compost replacement fertilizer on grain yield and water use efficiency of maize |
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| DOI：10.7606/j.issn.1000-7601.2017.02.22 |
| Key Words: compost replacement fertilizer maize grain yield water use efficiency HeXi oasis irrigation |
| Author Name | Affiliation | | FAN Ming | College of Agronomy, Gansu Agricultural University/Gansu Provincial Key Laboratory of standardized production and innovation of Chinese Herbal Medicine, Lanzhou, Gansu 730070, China | | LI Qiang | College of Grassland Sciences, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHANG Dan | College of Agronomy, Gansu Agricultural University/Gansu Provincial Key Laboratory of standardized production and innovation of Chinese Herbal Medicine, Lanzhou, Gansu 730070, China | | JIN Xiao-jun | College of Agronomy, Gansu Agricultural University/Gansu Provincial Key Laboratory of standardized production and innovation of Chinese Herbal Medicine, Lanzhou, Gansu 730070, China | | CAO Ai-nong | College of Agronomy, Gansu Agricultural University/Gansu Provincial Key Laboratory of standardized production and innovation of Chinese Herbal Medicine, Lanzhou, Gansu 730070, China |
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| Abstract: |
| The effect of compost replacement fertilizer on both yield and water use efficiency of maize in HeXi Oasis Irrigation was studied by substituting compost amount of 30 000 kg·hm-2 and 60 000 kg·hm-2 for 10%、20% and 30% of the fertilizer amount. The results showed that compost replacement fertilizer had obvious effects on grain yield and water use efficiency. When the compost amount was 60 000 kg·hm-2, 3 years' average grain yield (16 609.02 kg·hm-2) and water use efficiency (25.08 kg·mm-1·hm-2) were the highest and were 29% and 23.73% higher than the control. Therefore, 60 000 kg·hm-2 of compost replacing 30% of the fertilizer was the optimal amount in HeXi Oasis Irrigation. |
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