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一、选取优良种子进行育苗 1.选取优良的种子:优质的种子必须是当年新种。要求籽粒饱满,种皮呈红黄色,种仁呈黄白色,净度在98％以上,发芽率在50％以上,每亩育苗地需种子4千克。 2.选好苗圃,整地做垄:香椿属浅根性树种,对水肥和光照条件要求较高,育苗时要选择地势高燥,土质不粘,疏松肥沃,背风向阳,光照充足,排水良好的地块。亩施农家肥5000公斤左右,深翻30厘米左右,整平耙细,作1米宽畦。 3.浸种催芽:为提高出苗率,使苗齐、苗壮、播前可用30—40℃的温水浸种5分种(不停地搅动),然后放在20
First, select the best seed for nursery 1. Select the best seed: high-quality seeds must be the new species of the year. Requires full grains, seed coat was red and yellow, yellowish white seed, clarity of more than 98%, germination rate of 50% or more seedlings per acre to seed 4 kg. 2. Select the nursery, land preparation ridge: Toon is a shallow root tree species, water and fertilizer and lighting conditions are higher, when breeding seedlings to choose high terrazzo, soil non-stick, loose and fertile, leeward sunny, adequate light, well drained Piece. Mushi 5000 kilograms of farmhouse fat, deep plowing about 30 cm, leveling rake thin, 1 meter wide 畦. 3. Seed soaking: In order to improve the emergence rate, so that Miao Qi, Miao Zhuang, before sowing 30-40 ℃ warm water soaking species 5 (kept stirring), and then on the 20