(Source: Nhan Dan newspaper) – At the end of April, in the key agricultural regions such as Central – Highland and Mekong Delta, fertilizer demand is increasing as farmers prepare for the summer-fall rice crop, and the rainy season begins – the favorable time for fertilizing plants of all kinds. However, the sources are at risk of shortage, the main reasons as explained by the fertilizer traders are difficulties relating to transportation after the Ministry of Transport issued a directive to place vehicle weighing stations on roads, warehouses and key ports, resulting in skyrocketing freight cost and transport businesses operating half-heartedly and waiting for any further changes.