http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Kỹ thuật thâm canh lúa ở hộ nông dân
Sách giới thiệu các giống lúa phù hợp với khí hậu đất đai, có năng suất cao. Những kỹ thuật thâm canh mạ, kỹ thuật thâm canh lúa, thâm canh lúa gieo thẳng.