CHEN Ping,CHI Hai-feng,ZHANG Qian,et al.Effect of Applying Controlled Releasing Fertilizeron Yield and Its Components of Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(06):71-72.
缓控释肥对水稻产量及其构成因素的影响
- Title:
- Effect of Applying Controlled Releasing Fertilizeron Yield and Its Components of Rice
- 文章编号:
- 1002-2767（2012）06-0071-02
- Keywords:
- rice; controlled releasing fertilizer; optimized; apply fertilizer
- 分类号:
- S511.062
- 文献标志码:
- A
- 摘要:
- 以水稻品种富源四号（96D-10）为试材，采用随机区组设计的方法，对水稻控释肥施用量及施用方法进行了研究。结果表明：处理3（N-P-K:24-14-8）937.7 k·hm-2（基施524.4 kg·hm-2、4叶期追施413.3 kg·hm-2）公顷保苗数和穗粒数分别较其它处理高5.7%～13.9%、6.5%～8.1%，空秕率较其它处理低5.3%～32.2%。不同施肥处理总茎数、收获穗数、穗长间存在显著差异。水稻全生育期施用缓控释肥（N-P-K:24-14-8）937.5 kg·hm-2（基施525 kg·hm-2、四叶期追施412.5 kg·hm-2）产量最高，为11 857.5 kg·hm-2，施用控释肥较常规肥增产26.5%。
- Abstract:
- Taking rice variety Fuyuan No.4 as material，the application of controlled releasing fertilizer and fertilizer method were studied by randomized block design.The result showed that the seedling number and grains per spike of treatment 3 were higher than the other treatments by 5.7%～13.9%，6.5%～8.1%，sterile grain rate was lower than the other treatments by 5.3%～32.2%.There was significant difference between total stems，harvest spikes and spike length of different treatments.The yield reached the highest with the application of releasing fertilizer (N-P-K:24-14-8) 937.5 kg?hm-2 (basal application was 525 kg·hm-2 and tillering stage top dressing was 412.5 kg·hm-2) during the whole growth period of rice，and the highest yield was 11 857.5 kg·hm-2.Application of controlled releasing fertilizer could increase yield by 26.5% compared to the traditional fertilizer.
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备注/Memo
基金项目： 国家测土配方施肥资助项目