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近期本刊收到各地读者来信询问有关川农一号儿菜的种植问题。现据各地种植经验,一并答复如下: 1.播种适期。川农一号儿菜性喜冷凉、湿润、忌严寒酷暑。发芽最适温22—25℃,幼苗20℃左右,茎包膨大期6—19℃。深丘和山地区在秋后气温下降较快,宜8月下旬播种;坝区和浅丘区秋后气温仍较高,9月上旬播种为宜。 2.移栽问题。川农一号儿菜是杂交一代,要在苗期鉴别假杂种,淘汰叶面生有茸毛、毛下生有一个小泡的植株。 3.对肥料要求。底肥要充足。生长期追肥3次,第一次栽后10天左右亩施粪肥2000公斤,尿素5公斤;第二次于栽
Recently, we have received letters from all over the world asking about the planting problem of Chuanong No.1. It is based on planting experience around the same reply as follows: 1 sowing period. Chuannong No. 1 children like vegetables cool, moist, avoid cold summer heat. Germination optimum temperature 22-25 ℃, seedlings about 20 ℃, stems swollen 6-19 ℃. Deep mound and mountain areas in the autumn temperatures dropped rapidly, should be sowed in late August; dam area and shallow mound autumn is still high temperatures, sowing in early September is appropriate. 2 transplanting problem. Chuannong No.1 pedigree is a hybrid generation, it is necessary to identify fake hybrids at the seedling stage, eliminate the hairy leaves on the foliage, and have a vesicle plant under the hair. 3. Fertilizer requirements. Base fertilizer should be sufficient. Topdressing 3 times during the growing season, the first 10 days after transplanting Mushi manure 2000 kg, urea 5 kg; the second in the planted