塑料袋育苗盘中的蔬菜幼苗 热带农业

small polybags or plastic grow bags filled with dark, moist soil and neatly arranged in nursery trays separated by wooden dividers. Each polybag contains a young green vegetable seedling with two cotyledon leaves or early true leaves, showing tiny vibrant green sprouts emerging uniformly from the substrate. The uniform arrangement and healthy appearance indicate successful germination and early vegetative stage in a well-organized seedling nursery under tropical agricultural or farm conditions