MA Bo,TIAN Juncang,SHEN Hui,et al.Effect of Moisture Content for Watermelon Productive Potential by Soil Gravel-mulched Water Conservtion Treatment[J].Northern Horticulture,2016,40(15):33-37.[doi:10.11937/bfyy.201615008]
土壤压砂保水处理含水率对西瓜生产潜力的影响
- Title:
- Effect of Moisture Content for Watermelon Productive Potential by Soil Gravel-mulched Water Conservtion Treatment
- 文献标志码:
- A
- 摘要:
- 以西瓜为试材,针对压砂保墒问题,选择压砂时期和灌溉定额作为研究因素,采用对比试验方法研究了压砂保墒效果及其种植西瓜的生产潜力。结果表明:压砂覆盖能够有效保持土壤水分,上年雨季前压砂与雨季后压砂相比较,播种初期前者处理土壤质量含水率可达10.8%以上,而后者仅为8.9%;补水条件下前者比后者处理西瓜纵径大2.8 cm,西瓜横径大3.1 cm,未补水条件下前者比后者处理西瓜纵径大3.9 cm,西瓜横径大2.7 cm;补水条件下,前者处理西瓜产量为12 301.0 kg?hm-2,后者处理西瓜产量为7 549.1 kg?hm-2,未补水条件下,前者处理西瓜产量为6 723.3 kg?hm-2,后者处理西瓜产量为3 829.5 kg?hm-2,可见,压砂保水能够明显提高西瓜生产潜力。
- Abstract:
- Taking watermelon as test material,aiming at the problem of gravel-mulched soil moisture conservation,selecting the gravel-mulched time and irrigation norm as study factors,the comparison experimental method was adopted and the gravel-mulched soil moisture conservation and potential productivity of watermelon was studied.The results indicated that it was efficacious for holding soil moisture by gravel-mulched,comparing mulched gravel before rainy season last year and mulched gravel behind rainy season last year,the former treatment soil moisture content was more than 10.8%,but,the later treatment just 8.9%;the vertical diamete increased 2.8 cm,transverse diamete increased 3.1 cm,under supplementary irrigation condition,the former treatment compared with the latter treatment,and when no supplementary irrigation condition,the vertical diamete increased 3.9 cm,transverse diamete increased 2.7 cm;the yield of the former treatment watermelon was 12 301.0 kg?hm-2,but the latter treatment was 7 549.1 kg?hm-2,under supplementary irrigation condition,the yield of the former treatment watermelon was 6 723.3 kg?hm-2,but the latter treatment was 3 829.5 kg?hm-2,under no supplementary irrigation condition,thus there was obvious effect for improved watermelon yield by holded soil moisture in gravel-mulched.
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备注/Memo
第一作者简介:马波(1981-),男,宁夏彭阳人,博士,副教授,现主要从事节水灌溉理论与技术等研究工作。E-mail:slxboma-34@163.com.责任作者:田军仓(1958-),男,陕西扶风人,博士,教授,博士生导师,现主要从事旱区节水灌溉理论与技术等研究工作。E-mail:slxtjc@163.com.基金项目:宁夏大学自然基金资助项目(NDZR10-45);教育部2010年度“长江学者和创新团队发展计划”创新团队资助项目(IRT1067);国家自然科学基金资助项目(51169021)。