Author
Listed:
- Du, Rongcheng
- Jiang, Yu
- Li, Rui
- Li, Dayong
- Li, Runjie
- Yang, Xiaoqing
- Zhang, Zhi
Abstract
The supply of water and fertilizer influences the growth and photosynthesis of strawberries, thereby affecting the yield. To determine the optimal combination of irrigation and fertilizer, an experiment was conducted over two years in 2019 and 2020. The experiment included four irrigation levels (I1: 100 % ETc, I2: 85 % ETc, I3: 70 % ETc, I4: 55 % ETc) and three fertilization levels (F1: 120 % F0, F2: 100 % F0, F3: 80 % F0), forming a total of 12 treatments, where F0 represents the exact value determined using the target yield method. Irrigation significantly affected on all growth indicators at flowering and fruit setting (F) and harvesting (H) stages in 2019, and the interaction of irrigation and fertilization was significant on photosynthetic rate (Pn) at seedling (S) stage (S-Pn) and the final fruit dry matter accumulation (FDM) in both study seasons. I1F1 achieved the highest S-Pn, while I2 showed significant promotion on FDM, with its maximum value of I2F1 in 2019 and I2F2 in 2020. F2 exhibited significant advantages on root dry weight (RDW) at H stage (H-RDW), with I3F2 and I4F2 performing the best. Moreover, I1F1 and I2F1 exhibited significantly promotion in stomatal conductance (Gs) at S stage (S-Gs). Based on correlation and path analysis, six indicators affecting yield formation were identified (S-RDW, S-Pn, F-CHll, F-Pn, H-CHll, FDM), with FDM having the greatest direct effect on yield (Y). A comprehensive evaluation system was constructed by considering the growth process and final yield, and Y obtained the highest combined weight (0.432 in 2019 and 0.476 in 2020). I2F2 and I3F1 were consistently ranked the top three in both years based on the TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) evaluation model, indicating the combined irrigation and fertilizer of 70–85 % ETc with 100–120 % F0 can achieve optimal yield by promoting photosynthesis and growth of strawberries. This study can provide a theoretical basis for scientific water and fertilizer management of strawberries in arid and semi-arid regions.
Suggested Citation
Du, Rongcheng & Jiang, Yu & Li, Rui & Li, Dayong & Li, Runjie & Yang, Xiaoqing & Zhang, Zhi, 2024.
"Appropriate water and fertilizer supply enhanced yield by promoting photosynthesis and growth of strawberries,"
Agricultural Water Management, Elsevier, vol. 304(C).
Handle:
RePEc:eee:agiwat:v:304:y:2024:i:c:s0378377424004104
DOI: 10.1016/j.agwat.2024.109074
Download full text from publisher
As the access to this document is restricted, you may want to search for a different version of it.
Corrections
All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:agiwat:v:304:y:2024:i:c:s0378377424004104. See general information about how to correct material in RePEc.
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
We have no bibliographic references for this item. You can help adding them by using this form .
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.elsevier.com/locate/agwat .
Please note that corrections may take a couple of weeks to filter through
the various RePEc services.