一、何为乳苗稻作 日本将水稻秧苗从小到大分为乳苗、稚苗、中苗、成苗四个阶段。播种后5～8天,秧苗叶龄达到1.5—2.5龄、5—7厘米时,种子内尚有50％以上的残存胚乳,秧苗生长继续靠胚乳提供营养,这时的秧苗称为乳苗。以乳苗为秧苗进行水稻栽培的方法就叫做乳苗稻作。通常,水稻 First, what is the nursery rice Japan will be the rice seedlings from small to large milk seedlings, juvenile, seedlings, into four stages of seedlings. 5 to 8 days after sowing, the seedling leaf age reached 1.5-2.5 years old, 5-7 cm, the seed is still more than 50% of the remaining endosperm, seedling growth continue to rely on endosperm to provide nutrition, when the seedlings called milk plantlets. To nursery seedlings for rice cultivation methods called milk seedlings rice. Often, rice