Basic Biology of Forage Grass for Constructing Coastal Grass Belt in Yellow River Delta

doi:10.11983/CBB22165

Abstract

Abstract: Coastal grass belt refers to the development of grass/forage farming systems according to the gradient of salinity along the coastal line, which could help develop grass-based livestock husbandry on saline soil and contribute to food security in China. This review summarizes several successful forage cultivation models in Yellow River Delta, including the forages rotation, rice-triticale/oat rotation, and forest-grass intercropping. We also discussed the biological question that are related to the understanding of the molecular mechanisms of salt tolerance, dissection of molecular modules balancing stress tolerance and biomass production, and development of value-added products of forage grasses. The resolution strategy and realization way of these biological question were summarized.

Key words: coastal grass belt, basic research questions for forage grasses, grass-based livestock husbandry, Yellow River Delta

Tiantian Wang, Liwen Cao, Zhiquan Liu, Qingshan Yang, Liang Chen, Min Chen, Haichun Jing. Basic Biology of Forage Grass for Constructing Coastal Grass Belt in Yellow River Delta[J]. Chinese Bulletin of Botany, 2022, 57(6): 837-847.

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URL: https://www.chinbullbotany.com/EN/10.11983/CBB22165

https://www.chinbullbotany.com/EN/Y2022/V57/I6/837

Figures/Tables 6

Figure 1 The schematic diagram of coastal grass belt construction in Yellow River Delta

Figure 2 The demonstration and production statistics of alfalfa in Yellow River Delta Agricultural High-tech Industry Demonstration Zone (A) The second-year-growth of demonstrated alfalfa; (B) The yield distribution frequency of alfalfa yield test; (C) The fresh forage yield of first-stubble alfalfas varieties in 2022

Figure 3 The coastal grass belt demonstration of forest- grass intercropping (oat-Chinese ash) in slight coastal saline alkaline soil (A) 19-day-old oats intercropped with Chinese ash; (B) 44- day-old oats intercropped with Chinese ash; (C) 72-day-old oats intercropped with Chinese ash

Figure 4 The yields and economic benefits of under-forest industry in Dongying slight saline alkaline soil (A) The fresh forage yields of oats intercropped with elm and Chinese ash; (B) Economic benefits of four types of under forest industry model

Figure 5 The net income increase comparison of silage sorghum instead of silage corn on beef feeding

Figure 6 The demonstration of forest-grass intercropping Tamarix chinensis-Cistanche tubulosa in Dongying

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