[1]NI Yuqiong,CAO Fangqin,ZHONG Fangfang.Effects of Different Planting Modes on Rice Yield and Economic Benefits of Qiandongnan[J].Research of Soil and Water Conservation,2016,23(03):348-353.
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Effects of Different Planting Modes on Rice Yield and Economic Benefits of Qiandongnan
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 03
Page number:
348-353
Column:
Public date:
2016-06-28
- Title:
- Effects of Different Planting Modes on Rice Yield and Economic Benefits of Qiandongnan
- Keywords:
- rice; planting modes; yield; economic benefits
- CLC:
- S511
- DOI:
- -
- Abstract:
- In order to investigate the effect of different planting modes on Qiandongnan rice yield and economic benefits, a gold 527 rice was studied under the planting modes of direct seeding, manual transplanting and mechanical transplanting in Guizhou Qiandongnan area. The results are as follows. (1) The number of seedling, number of productive ear and peak seeding decreased in the order: direct seeding > mechanical transplanting > manual transplanting and percentage of earbearing tiller decreased in the sequence: manual transplanting > mechanical transplanting > direct seeding. (2) In complete fertility period, the days of direct seeding(139 d) was less than manual transplanting(159 d) and mechanical transplanting(154 d), while mechanical transplanting and manual transplanting had no significantly difference(p < 0.05). (3) The number of effective ear rice decreased in the order: direct seeding > mechanical transplanting > manual transplanting, each rice panicle decreased in the order: manual transplanting > mechanical transplanting > direct seeding, setting percentage and thousand-seed mass decreased in the sequence: mechanical transplanting > manual transplanting > direct seeding, the practical production and theoretical production decreased in the order: direct seeding > manual transplanting > mechanical transplanting. (4) The economic costs of direct seeding rice was the lowest (8 198 RMB/hm2) and the economic costs of manual transplanting rice was the highest (9 860 RMB/hm2), which decreased by 20.27% and 4.17% compared with manual transplanting and mechanical transplanting, and economic benefits decreased in the sequence: mechanical transplanting > direct seeding > manual transplanting, manual transplanting, economic benefits of mechanical transplanting and direct seeding increased by 795 RMB/hm2 and 1 416 RMB/hm2 compared with manual transplanting. In conclusion, machinery could make the production cost greatly reduce, on the other hand, it improved the yield and resulted in the higher economic benefits for rice production.
- References:
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