甘薯一、物候期记载 (一)排种期:种薯排入苗床(圃)日期,以月/日表示之(下同)。 (二)出苗期:幼苗出土10%时为始苗期;70%时为盛苗期。 (三)剪苗期:记载第一次剪(采)苗日期,以后分期记载。 (四)栽插期:实际栽插日期。 (五)发根期:栽插后有50%以上植株发根长达1厘米时为发根期。 (六)还苗期:观察有50%以上植株新叶展 Sweet potato First, the phenophase records (a) the row of seeds: Seed into the seedbed (nursery) date, expressed in the month / day (the same below). (B) of the seedling: seedlings unearthed 10% for the beginning of seedling stage; 70% for Sheng seedling stage. (C) cut the seedling stage: record the first cut (mining) seedling date, staging after record. (D) planting period: the actual planting date. (E) Hair root: After planting more than 50% of plant hair roots up to 1 cm for the hair root. (F) also seedling stage: observed more than 50% of the new plant leaf exhibition