WANG Yazhu,DING Lin,WANG Wenjuan,et al.Effect of Furrow Sowing and Sprinkling Irrigation on Physiological Characteristics and Yield of Oil Sunflower[J].Research of Soil and Water Conservation,2021,28(04):411-416.
喷灌定额对垄作沟播油葵生长特征与产量的影响
- Title:
- Effect of Furrow Sowing and Sprinkling Irrigation on Physiological Characteristics and Yield of Oil Sunflower
- 文章编号:
- 1005-3409(2021)04-0411-06
- 分类号:
- S275.5
- 文献标志码:
- A
- 摘要:
- 为了研究不同灌水处理下垄作沟播喷灌油葵的生长指标、水分利用效率、产量及其构成因素,比较不同喷灌处理的优越性。通过作物生长指标常规测定方法结合HD2土壤水分测定仪,分析了不同灌水处理对油葵生长特征、产量、灌溉水利用效率的影响。结果表明:垄作沟播喷灌集水保墒效果较好,有利于油葵生长; 适宜的喷灌定额条件下(T3)可使有限灌溉水充分利用,油葵株高、茎粗、叶面积指数及干物质积累量均较大,两年产量较对照(CK)分别增加4.07%,8.70%,分别节水11.0%,14.1%,灌溉水利用效率分别提高21.1%,22.1%,水分生产力达9.0元/m3以上。综上所述,在本试验条件下,与传统覆膜平作喷灌相比,垄作沟播喷灌处理整个生育期能有效利用喷灌水分,改善土壤水分状况,使油葵生长更加旺盛,提高了产量及灌溉水利用效率,是一种经济可行、易于推广的节水灌溉技术。
- Abstract:
- In order to study the growth index, water use efficiency, yield and component factors of oil sunflower under different ridges and furrows and sprinkling irrigation treatments, and compare the advantages of different sprinkling irrigation treatments, the effects of different irrigation treatments on oil sunflower growth characteristics, yield and utilization efficiency of irrigation water were analyzed by conventional methods of crop growth indexes and HD2 soil moisture meter. The results showed that ridged planting and furrow sprinkling irrigation had better effect of collecting water and preserving soil moisture, which was beneficial to the growth of oil sunflower. Under the appropriate irrigation quota condition(T3), the plant height, stem diameter, leaf area index and dry matter accumulation of oil sunflower were large. Compared with the control(CK), the yield of oil sunflower in two years increased by 4.07% and 8.70%, water saving was 11.0% and 14.1%, the utilization efficiency of irrigation water increased by 21.1% and 22.1%, and the water productivity was over 9.0 yuan/m3. To sum up, in this experimental conditions, compared with the traditional effect of the culture sprinkler irrigation, ridge tillage furrow sowing sprinkler irrigation treatment can effectively use of irrigation water during whole growth period, improve soil moisture, make oil sunflower grow much stronger, can improve the yield and irrigation water use efficiency, and is a kind of economic and feasible, easy to promote water-saving irrigation technology.
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备注/Memo
收稿日期:2020-08-05 修回日期:2020-09-08资助项目:国家自然科学基金(51769002); 甘肃省水利科研与推广计划项目(201901,201904)第一作者:王亚竹(1963—),女,甘肃天水人,正高级工程师,主要从事节水灌溉技术及水利规划研究。E-mail:414484946@qq.com通信作者:丁林(1978—),男,甘肃武威人,硕士,正高级工程师,主要从事旱区水资源利用及节水灌溉技术研究。E-mail:gssskyd@sohu.com