A.增加光周期誘導(dǎo)次次世B.低碳氮比C.赤霉素D.藍(lán)光光照
A.玉米B.大豆C.花生D.芝麻
A.細(xì)胞分裂素一赤霉素和生長(zhǎng)素一脫落酸B.細(xì)胞分裂素一脫落酸一赤霉素和生長(zhǎng)素C.赤霉素和生長(zhǎng)素一細(xì)胞分裂素一脫落酸D.脫落酸一赤霉素和生長(zhǎng)素一細(xì)胞分裂素