【摘要】 开展了超级稻组合丰优香粘在豫南稻区的不同秧龄、不同密度、不同施肥水平试验研究,结果表明:丰优香粘在信阳的适播期为4月20日左右,秧龄35 d左右;适宜栽培密度为13.3 cm×20.0 cm;在中等偏高的氮肥,配合中高等磷、钾肥的条件下,有利于高产。更多还原

【Abstract】 The test of seedling age,density and level of fertilization were researched on Fengyouxiangnian and the results indicated that the optimal seeding date was April 20th,seeding age was about 35 d,optimal cultivated density was 13.3 cm×20.0 cm,under the condition of medium+ nitrogen with phosphate and potash fertilizers,it was conducive to high yield.更多还原