南疆沙区成龄红枣水肥一体化滴灌的水肥适宜用量
S274.1; 为了研究南疆沙区漫灌改滴灌水肥管理对红枣产量及品质的影响,该文运用二元回归分析及归一化方法,以当地9 a成龄枣树为对象,寻求同时满足高效高产的水肥灌溉制度.以常规漫灌(CK:1100 mm、900 kg/hm2)为对照,设灌水和施肥(N:P2O5:K2O=2:1:1.5)双因素进行小区试验,3个滴灌灌水量(W1:45%CK,W2:65%CK,W3:85%CK,100%)和3个施肥水平(F1:45%CK,F2:65%CK,F3:85%CK).结果表明:灌水对红枣花期、膨大期土壤养分(全N、速效P、速效K)和灌溉水利用效率(iWUE)达到显著性水平(P<0.05),施肥对红枣...
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| Published in | 农业工程学报 Vol. 34; no. 11; pp. 96 - 104 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
石河子大学水利建筑工程学院,石河子 832000
01.06.2018
现代节水灌溉兵团重点实验室,石河子 832000%石河子大学水利建筑工程学院,石河子,832000 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2018.11.012 |
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| Abstract | S274.1; 为了研究南疆沙区漫灌改滴灌水肥管理对红枣产量及品质的影响,该文运用二元回归分析及归一化方法,以当地9 a成龄枣树为对象,寻求同时满足高效高产的水肥灌溉制度.以常规漫灌(CK:1100 mm、900 kg/hm2)为对照,设灌水和施肥(N:P2O5:K2O=2:1:1.5)双因素进行小区试验,3个滴灌灌水量(W1:45%CK,W2:65%CK,W3:85%CK,100%)和3个施肥水平(F1:45%CK,F2:65%CK,F3:85%CK).结果表明:灌水对红枣花期、膨大期土壤养分(全N、速效P、速效K)和灌溉水利用效率(iWUE)达到显著性水平(P<0.05),施肥对红枣花期、膨大期土壤养分、肥料偏生产力(PFP)达到显著性水平(P<0.05),水肥耦合效应对全生育期土壤养分、产量及品质指标均达到显著水平(P<0.05);滴灌条件下W2F3处理产量最高,与CK无显著性差异(P>0.05),iWUE、PFP分别在W1F3、W3F1处理最高,总糖、维生素C、总酸分别在W3F1、W3F3、W3F1处理最高,与W2F3无显著性差异(P>0.05),对于净收益而言,W3F2与CK具有显著性差异(P<0.05),相比于CK提高1.95%.通过对建立的滴灌水肥投入与红枣产量和品质关系模型分析,认为研究区滴灌红枣适宜的水肥投入范围分别为651~806 mm和708~810 kg/hm2,其中N(311~345 kg/hm2),P2O5(156~178 kg/hm2),K2O(233~267 kg/hm2),研究结果可做为当地红枣滴灌节水、节肥的最佳水肥供应模式. |
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| AbstractList | S274.1; 为了研究南疆沙区漫灌改滴灌水肥管理对红枣产量及品质的影响,该文运用二元回归分析及归一化方法,以当地9 a成龄枣树为对象,寻求同时满足高效高产的水肥灌溉制度.以常规漫灌(CK:1100 mm、900 kg/hm2)为对照,设灌水和施肥(N:P2O5:K2O=2:1:1.5)双因素进行小区试验,3个滴灌灌水量(W1:45%CK,W2:65%CK,W3:85%CK,100%)和3个施肥水平(F1:45%CK,F2:65%CK,F3:85%CK).结果表明:灌水对红枣花期、膨大期土壤养分(全N、速效P、速效K)和灌溉水利用效率(iWUE)达到显著性水平(P<0.05),施肥对红枣花期、膨大期土壤养分、肥料偏生产力(PFP)达到显著性水平(P<0.05),水肥耦合效应对全生育期土壤养分、产量及品质指标均达到显著水平(P<0.05);滴灌条件下W2F3处理产量最高,与CK无显著性差异(P>0.05),iWUE、PFP分别在W1F3、W3F1处理最高,总糖、维生素C、总酸分别在W3F1、W3F3、W3F1处理最高,与W2F3无显著性差异(P>0.05),对于净收益而言,W3F2与CK具有显著性差异(P<0.05),相比于CK提高1.95%.通过对建立的滴灌水肥投入与红枣产量和品质关系模型分析,认为研究区滴灌红枣适宜的水肥投入范围分别为651~806 mm和708~810 kg/hm2,其中N(311~345 kg/hm2),P2O5(156~178 kg/hm2),K2O(233~267 kg/hm2),研究结果可做为当地红枣滴灌节水、节肥的最佳水肥供应模式. |
| Abstract_FL | In order to evaluate the effects of different levels of water and fertilizer on yield and quality of jujube under drip irrigation that changed from flooding, a field experiment was conducted to find the optimal irrigation and fertilizer combination with the higher water and fertilizer use efficiency. The statistical analysis methods of multivariate quadratic regression and normalization were used in this paper. The local jujube variety of Jun-jujube(9 years) was chosen for test material. The conventional flooding irrigation with irrigation and fertilizer quota as 1100 mm and 900 kg/hm2 (N:P:K = 2:1:1.5) respectively was selected as the control group (CK). In this study, the irrigation and fertilizer treatments were designed with a two-factor and three-level quadratic orthogonal rotated composite experiment. The irrigation amount treatments in three levels was W1 (45% CK), W2 (65% CK), W3 (85% CK), and fertilizer treatments in three levels was F1 (45% CK), F2 (65% CK), F3 (85% CK), respectively. The results showed that the effects of irrigation on soil nutrients (total N, available P, available K) and irrigation water use efficiency (iWUE) reached significant level (P < 0.05) in the jujube growth period of flowering and swelling. The effects of fertilization on soil nutrient and fertilizer partial productivity (PFP) reached significant level (P < 0.05) in the period of jujube flowering and swelling. However, the interaction effects of irrigation and fertilization on soil nutrients, yield and jujube quality indicators reached significant level (P < 0.05) at the whole stages of growth. The soil nutrients in 0-40 cm layer were higher under flooding irrigation than that under drip irrigation. There was a nutrient transition layer at depth of 40~60 cm. while the soil nutrients were significantly lower under flooding irrigation than that of drip irrigation in the soil layer of 60-100 cm. The W2F3 treatment had the better soil nutrient environment in the root zone for the different irrigation and fertilizer treatments. Comparing with flooding irrigation, the maximum soil nutrients value under the drip irrigation were W2F3 treatment generally. The drip irrigation treatment of W2F3 had the highest yield, but there was no significant difference with CK (P > 0.05). The maximum value of iWUE and PFP was W1F3 and W3F1 treatment, respectively. The maximum value of total sugar, vitamin C and total acid was in W2F2, W3F3 and W3F1 treatment, respectively. W3F2 treatment and CK had significant difference (P < 0.05) in the net income, and increased by 1.95% comparing with the CK. The mathematic model of water-fertilizer investment and jujube indicators was established through multiple quadratic regression analysis, and the suitable investment of water and fertilizer obtained from the mathematic model were ranged in 651~806 mm and 708~806 kg/hm2, respectively, where N (311-345 kg/hm2), P2O5 (156-178 kg/hm2), K2O (233-267 kg/hm2). The study can provide a reference for the optimal irrigation and fertilization management of jujube cultivation in the southern Xinjiang sandy area with drip irrigation. |
| Author | 李文昊 王振华 扁青永 李朝阳 |
| AuthorAffiliation | 石河子大学水利建筑工程学院,石河子 832000;现代节水灌溉兵团重点实验室,石河子 832000%石河子大学水利建筑工程学院,石河子,832000 |
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| Author_FL | Bian Qingyong Li Wenhao Li Zhaoyang Wang Zhenhua |
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| DocumentTitle_FL | Suitable water and fertilizer amount for mature jujube with drip-irrigation under fertigation in southern Xinjiang sandy area |
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| Keywords | southern Xinjiang sandy area soil nutrients 土壤养分 水 滴灌 fertilizers 南疆沙区 drip irrigation 肥料 water jujube 红枣 |
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| Publisher | 石河子大学水利建筑工程学院,石河子 832000 现代节水灌溉兵团重点实验室,石河子 832000%石河子大学水利建筑工程学院,石河子,832000 |
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| Snippet | S274.1; 为了研究南疆沙区漫灌改滴灌水肥管理对红枣产量及品质的影响,该文运用二元回归分析及归一化方法,以当地9 a成龄枣树为对象,寻求同时满足高效高产的水肥灌溉制度.以... |
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| Title | 南疆沙区成龄红枣水肥一体化滴灌的水肥适宜用量 |
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