Journal
PLANT GROWTH REGULATION
Volume 97, Issue 3, Pages 455-476Publisher
SPRINGER
DOI: 10.1007/s10725-022-00819-8
Keywords
Fertilizer; Efficiency; Macroalgae; Soil amendment; Nutrient uptake
Categories
Funding
- State Key Laboratory of Integrative Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University [202105D121008-3-6]
- National Natural Science Foundation of China [31902394, 41976125]
- Outstanding Doctor to Work in Shanxi Province Research Project [SXYBKY2019036]
- Science and Technology Innovation Planning Project of Shanxi Agricultural University [2018YJ16]
- Science and Technology Innovation Development Planning of Yantai, China [2020MSGY068]
- Key Research and Development Plan of Shandong Province [2019GSF109104]
- Shandong Key Research and Development Program, China [2019GNC106110]
- Yantai Key Research and Development Program, China [2019YT06000506]
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This article introduces the application of macroalgae in agriculture to improve nutrient utilization efficiency and soil improvement. The extracts of macroalgae have positive effects on soil amendment and nutrient uptake by plants. Macroalgae can serve as an economic and efficient alternative to conventional fertilizers.
The growing demand for chemical fertilizer with low utilization and environmental pollution has been issuing challenges to sustainable production of agricultural field. Due to internal nutrient elements and active substances, macroalgae have drawn the interest of agricultural and algal researchers. However, their major functions seem to center on improvement of nutrient utilization efficiency, more than a simple nutrient replacement for amount of fertilizer. In view of excessive fertilizer along with a series of side-effects, this review reports the application roles of macroalgae in agriculture, provides the positive evidences of the extracts on the soil for amendment, and plants for nutrient uptake. Commercial macroalgae will be such an economic and efficient materials source for cooperation even part substitution of conventional fertilizers, to manage soil sustainability and crop production. Worldwide, the researches of macroalgal products call for further advance, and their applications to agricultural market remain certain limitation. Aim at this, we expound their mechanisms on soil-plant system for more nutrient utilization efficiency, then analyze the current situation and advance priorities afterwards, to guide macroalgal application and respond to the strategy for controlling the chemical fertilizer.
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