有机肥分期配施对超高产棉铃经济性状时空分布的影响  

Study on spatio-temporal distribution of cotton bolls based on different application schedule of organic fertilizer

作　　者：陈兵林[1] 高璆[1] 金桂红[1] 

机构地区：[1]南京农业大学农业部作物生长调控重点开放实验室,江苏南京210095

出　　处：《南京农业大学学报》2004年第3期20-23,共4页Journal of Nanjing Agricultural University

基　　金：国家"九五"攻关项目 (95 0 0 10 40 8);南京农业大学校青年教师基金项目 (KJ0 3 0 0 1)

摘　　要：在有机肥和无机肥配施条件下 ,以中熟高抗枯萎病苏棉 8号为材料 ,研究了有机肥全部基施、 1/2基施 1/2花施和全部花施对棉花产量和棉铃经济性状时空分布的影响。结果表明 ,有机肥 1/2基施 1/2花施比有机肥全部基施和全部花施总铃数、铃重、皮棉产量分别提高 6 16 %～ 10 15 %、 1 96 %～ 4 93%和 8 2 7%～ 15 32 % ,伏桃、早秋桃、晚秋桃以及中部果枝内外围棉铃经济性状的时空分布明显改善。说明本试验条件下有机肥 1/2基施 1/2花施是创棉花超高产最好的施肥运筹。The effects of different application schedule of organic and inorganic fertilizer on lint yield and practical characters of cotton bolls of Sumian 8 were studied.Three fertilizer treatment experiments were carried out:(a)all the organic manure(chicken faeces)was applied before transplanting(CK);(b)50% of the organic manure was applied before transplanting and 50% was applied at the flowering stage(C1);(c)all the organic manure was applied at the flowering stage(C2).The results showed that total number of bolls,boll weight and lint yield of C1were 6 16%10 15%,1 96%4 93% and 8 27%15 32% higher than CK,respectively.C2 by improved spatio temporal distribution of summer bolls,early and late autumn bolls and bolls of middle fruit branches.C1 was the best fertilizing way of getting superhigh lint yield in this experiment.

关 键 词：有机肥 棉铃 经济性状 产量 棉花 施肥 

分 类 号：S562.062[农业科学—作物学] S147.3