在产量损失构成中，有效分蘖数的减少为主要因素。
The decrease of number of available tillers was the main factor in the components of yield loss.
水稻株高、有效分蘖、空秕率均随施肥量增加而增加。
The rice height, effective tillering and blighted grains increased as the fertilizer was increased.
采用农业系统原理和方法，建立数学模型，分析了SRI栽培技术对有效分蘖的影响。
The mathematical model established on the basis of agricultural system principle and method is used to analysis the effects of SRI technique on effective tiller.
另外，机械化肥深施还可以增加水稻有效分蘖和有效穗，使作物生长平稳，株高适当。
In addition, fertilizer deep placement with the machinery can make rice grow more steadily, have a more suitable stem height, increase effective tillering and effective ears.
结果表明：盐碱胁迫推迟了一次分蘖的时间，降低了水稻分蘖数和有效分蘖数约50 %。
The results showed that salinity - alkalinity stress postponed the beginning time of the first tiller, reduced by 50 % of tiller number and effective tiller number.
1997年在分蘖中、后期持续高温，有效分蘖终止期和最高分蘖期向后延迟，叶龄指数增加。
In 1997, the valid tiller ending phase and maximum tiller phase delayed and leaf ages index increased in medium and late tillering phase under high_temperature.
水稻产量作为主要的育种目标性状，直接受到每穗实粒数、千粒重和单株有效分蘖数等产量构成因子的影响。
Yield as a major breeding objective in rice, is directly influenced by the yield-component traits including the number of productive tillers per plant, grains per panicle and 1000-grain weight.
与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。
Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.
与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。
Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.
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