Tracing nitrogen utilization and distribution during development of grape seedlings by applying different forms of 15N labeled fertilizer with fruit tree hole storage brick

IF 3.9 2区农林科学 Q1 HORTICULTURE

Scientia Horticulturae Pub Date : 2024-09-29 DOI:10.1016/j.scienta.2024.113681

Dongdong Yao , Haifeng Jia , Huanhuan Zhang , Xujiao Li , Qi Lv , Hossam Salah , Fengyun Zhao , SongLin Yu , Kun Yu

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引用次数: 0

Abstract

The use of soil amendment has been boosted in the last years due to its possible influence on fertility, including its potential ability to lower mineral nitrogen (N) losses. However, yet little is known about the effects of different N forms combined with soil amendment on grape growth and NUE. In this study we have prepared fruit tree hole storage brick (FTHSB) suitable for perennial fruit trees, then recommended a new fertilization strategy combining different forms of N fertilizer with FTHSB. We investigated the transformation of N in soil, the N absorption in grape (Vitis vinifera L.), and the root growth in the grape at different treatment (Ammonium nitrogen (CKA), nitrate nitrogen (CKN), amide nitrogen (CKU) applied separately without FTHSB and ammonium nitrogen (TA), nitrate nitrogen (TN), amide nitrogen (TU) applied separately with FTHSB). The results showed that FTHSB significantly increased the dry matter mass of all organs of grape seedlings, fine root indexes in 15–30 cm soil layer, NR,GS enzyme activity, and soil urease activity in 15–30 cm soil layer. FTHSB increased the nitrogen fixation capacity of the soil by increasing the soil nitrogen content in the 15–30 cm soil layer.The highest soil nitrogen content was observed in the 15–30 cm soil layer under TU treatment. FTHSB significantly improved the nitrogen utilization efficiency of grapes. ¹⁵N isotope tracking technique showed that without FTHSB application, CKN treatment had the highest nitrogen utilization, which was 6.28 % and 6.01 % higher than CKA and CKU, respectively. However, after applying FTHSB, TU had the best effect, which was 15.61 % and 10.33 % higher than CKA and CKU. These results show that application FTHSB with CO(NH₂)₂-N can be used as a new fertilization strategy to sustainably improve the growth and NUE of grapes.

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用果树穴贮砖施用不同形式的 15N 标记肥料，追踪葡萄幼苗生长过程中氮的利用和分布情况

由于土壤改良剂可能对肥力产生的影响，包括其降低矿物氮（N）损失的潜在能力，土壤改良剂的使用在过去几年得到了推广。然而，人们对不同的氮形式结合土壤改良对葡萄生长和氮利用效率的影响知之甚少。在这项研究中，我们制备了适用于多年生果树的果树穴贮砖（FTHSB），然后推荐了一种将不同形式的氮肥与果树穴贮砖相结合的新施肥策略。我们研究了不同处理（铵态氮（CKA）、硝态氮（CKN）、酰胺态氮（CKU）分别施用而不施用 FTHSB，铵态氮（TA）、硝态氮（TN）、酰胺态氮（TU）分别施用而施用 FTHSB）下土壤中氮的转化、葡萄（Vitis vinifera L.）对氮的吸收以及葡萄根系的生长情况。结果表明，FTHSB 能显著提高葡萄幼苗各器官的干物质质量、15-30 厘米土层的细根指数、NR、GS 酶活性和 15-30 厘米土层的土壤脲酶活性。FTHSB 提高了土壤固氮能力，增加了 15-30 厘米土层的土壤氮含量。FTHSB 能明显提高葡萄的氮素利用率。15N 同位素跟踪技术表明，在未施用 FTHSB 的情况下，CKN 处理的氮利用率最高，分别比 CKA 和 CKU 高 6.28 % 和 6.01 %。然而，施用 FTHSB 后，TU 的效果最好，分别比 CKA 和 CKU 高 15.61 % 和 10.33 %。这些结果表明，施用 FTHSB 和 CO(NH2)2-N 可以作为一种新的施肥策略，持续改善葡萄的生长和净效率。

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来源期刊

Scientia Horticulturae 农林科学-园艺

CiteScore

8.60

自引率

4.70%

发文量

796

审稿时长

47 days

期刊介绍： Scientia Horticulturae is an international journal publishing research related to horticultural crops. Articles in the journal deal with open or protected production of vegetables, fruits, edible fungi and ornamentals under temperate, subtropical and tropical conditions. Papers in related areas (biochemistry, micropropagation, soil science, plant breeding, plant physiology, phytopathology, etc.) are considered, if they contain information of direct significance to horticulture. Papers on the technical aspects of horticulture (engineering, crop processing, storage, transport etc.) are accepted for publication only if they relate directly to the living product. In the case of plantation crops, those yielding a product that may be used fresh (e.g. tropical vegetables, citrus, bananas, and other fruits) will be considered, while those papers describing the processing of the product (e.g. rubber, tobacco, and quinine) will not. The scope of the journal includes all horticultural crops but does not include speciality crops such as, medicinal crops or forestry crops, such as bamboo. Basic molecular studies without any direct application in horticulture will not be considered for this journal.