Effects of Crop Rootzone Non-Pressure Subirrigation on Tomato Physiological Characteristics, Yield,

来源 :中国农业科学(英文版) | 被引量 : 0次 | 上传用户:siaonn
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The purpose of this article is to study the effects of different water elevations of non-pressure subirrigation on some indexes of tomato, including soil water status around crop rootzone, morphological indexes, physiological indexes, photosynthetic indexes, yield, quality, and water use efficiency. With the tomato materials of Dongsheng 1, the irrigation experiment was carried out in the greenhouse, and significance analysis was done on the experiment data through the software of DPS. The results showed that different water elevations, had significant influence on the growth, yield, and quality of tomato. The yield of the 6-cm treatment was the highest, the 3-cm treatment was inferior to the 6-cm treatment, and the 0-cm treatment was the lowest. However, the WUE was 0 cm>3 cm>6 cm. The sugar/acid and soluble protein was the highest under the 0-cm treatment, and the content of ascorbic acid did not decrease considerably. When compared to the 0-cm treatment, the ascorbic acid content of 6-cm and 3-cm treatment increased by 19.2 and 6.8%, respectively. These irrigation methods can satisfy the requirements of tomato growth; different water elevations have different influences on the tomato soil water status around crop rootzone, the physiological characteristics, and yield. It also harmonized the percentage between sugar and acid, increased the content of soluble protein and ascorbic acid, and made tomato more delicious. The irrigation methods can improve the quality of tomato by water control, which is worth promoting in the agricultural production.
其他文献
本文从强直性脊柱炎的临床症状、督脉的循行、中医基础理论及临床应用等方面论述了从督脉论治强直性脊柱炎的理论依据、治疗思路.发现在督脉实施灸法可有效改善强直性脊柱炎
缺血/再灌注(I/R)损伤是器官功能衰竭的主要原因之一,临床上常见于术后、严重创伤、心肌梗死、器官移植等.目前认为I/R损伤与TLRs中的TLR2和TLR4有重要的关系.本文对近年来TL
乳腺癌扩增因子(AIB)1通过与核受体结合从而在基因表达调控过程中发挥重要作用.大量研究表明,AIB1在乳腺癌、子宫内膜癌、前列腺癌、食管癌、结直肠癌等多种肿瘤中均呈过表达
目的总结目前胰岛移植分子影像示踪与监测的不同方法。方法对当前国内、外有关胰岛移植分子影像示踪与监测的研究报道进行综述和分析。结果 MRI具有高敏感性,高空间分辨率,可
本文对有关禽内源性逆转录病毒(Avain Endogenous Restroviruses,AERs)的多样性、结构、表达和可能的进化方式等最新研究结果进行了总结和分析,同时还讨论了内源性逆转录病毒
目的:探讨腹腔镜下保留脾脏胰腺切除术治疗胰岛细胞瘤的围术期护理方法.方法:对6例胰岛细胞瘤患者行腹腔镜下保留脾脏胰腺切除术治疗,并给予精心围术期护理.结果:本组患者术
目前,伽玛刀治疗被认为是脑转移瘤局部治疗的有效方法.磁共振成像在其治疗效果及并发症的评估方面起着重要作用.以肿瘤的形态学改变为基础的传统磁共振成像及以脑组织的生理
在胃癌的发展过程中常发现肿瘤相关基因的异常甲基化存在,其中包括全基因组的低甲基化和某些抑癌基因的高甲基化.另外,DNA甲基化水平似乎还与胃癌的预后密切相关.近年来为揭
从盆景场的环境条件、土壤处理、有害生物的综合管理等方面论述了欧盟对进口盆景及盆裁植物的检疫要求.
促红细胞生成素(erythropoietin,EPO),是一种具有调节血细胞生成作用的细胞因子.它通过与红细胞膜上特异性促红细胞生成素受体(erythropoietin receptor,EPOR)结合,发挥促红