CAJ | 학술논문

采用盆栽模拟试验的方法,以‘陇亚杂1号’胡麻为试验材料,研究了氮肥施用量及施用时期对胡麻氮、磷、钾养分积累及干物质、产量形成的影响.结果表明：0.1~0.2 g/kg的氮肥施用量显著提高了胡麻氮、磷、钾素的吸收量、干物质积累量及籽粒产量；基肥量由0.1 g/kg增加到0.2 g/kg 时,胡麻干物质积累量,氮、磷、钾吸收量,籽粒产量均未显著增加.施用量为0.2 g/kg 的氮肥分基肥(2/3)和现蕾期追肥(1/3)两次施用,改善胡麻氮磷钾营养及促生效果均显著优于全部作为基肥施用,前者的籽粒产量较后者提高了36%.施用化学氮肥时,2/3基肥+现蕾期1/3追肥方式的效果优于全部作为基肥施用.
채용분재모의시험적방법,이‘롱아잡1호’호마위시험재료,연구료담비시용량급시용시기대호마담、린、갑양분적루급간물질、산량형성적영향.결과표명：0.1~0.2 g/kg적담비시용량현저제고료호마담、린、갑소적흡수량、간물질적루량급자립산량；기비량유0.1 g/kg증가도0.2 g/kg 시,호마간물질적루량,담、린、갑흡수량,자립산량균미현저증가.시용량위0.2 g/kg 적담비분기비(2/3)화현뢰기추비(1/3)량차시용,개선호마담린갑영양급촉생효과균현저우우전부작위기비시용,전자적자립산량교후자제고료36%.시용화학담비시,2/3기비+현뢰기1/3추비방식적효과우우전부작위기비시용.
Pot experiment was conducted to investigate the effects of nitrogen fertilizer on nutrient ac-cumulation and yield of oil flax.The results showed that nitragen fertilizer was 0.1~0.2 g/kg significantly increased nitrogen,phosphorus and potassium accumulation,as well as dry matter and grain yield.The im-provements weren't significantly enhanced when basal fertilizer dosage (g N/kg soil)increased from 0.1 to 0.2.When the nitrogen dose was 0.2 g/kg,the improvement resulted from 2/3 basal fertilizer together with 1/3 dressing was significantly higher than that from fertilizing all before planting,the grain yield of the former increased by 36% than that of the latter.When chemical nitrogen fertilizer was applied,the growth improvement from the former was better than that from the latter.