第1、4代经卵带毒虫还能分别引起早、晚稻再次侵染。
The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection.
同时还表明早晚稻间也存在着基因型差异。
The result also showed that there were significant genotype differences between early rice and second rice.
晚稻田水和土壤中的氚浓度均随时间单调地减少；
The tritium concentrations in the second paddy water and soil were monotonously decreasing with time.
这种模式以夏季早稻、晚稻，冬季一季经济作物为主。
For this pattern early rice and late rice in summer, cash crops in winter were mainly planted.
各处理晚稻田甲烷排放总量高于早稻田甲烷排放总量。
Methane emission was higher from late rice fields than from early rice fields, in all treatments.
简要介绍了江西省修水县一季晚稻的免耕抛秧技术要点。
No-tillage seedling-throwing techniques of single cropping late rice in Xiushui county were reviewed in this paper.
各类产脲酶菌在不同类型晚稻田的百分含量变化不很明显；
The percentages of the urease-producing microorganisms had no clear change in the three kinds of late rice field.
中稻田群落总个体数在时间过程中变化不大，晚稻田较稳定。
The total individuals of the communities changed greatly in the temporal sequence in middle-season paddy fields but were relatively stable in late paddy fields.
但秸秆还田对早稻生长发育的影响明显大于对晚稻生长发育的影响。
But the effects of straw manuring on growth and yield was obviously greater in early rice than in late rice.
例如图1和表1的数据表示两个生产函数，一个是早稻，一个是晚稻。
For instance, table 1 and figure 1 present data for two production functions, one for early rice and one for late rice.
研究发现：夏秋季高温干旱累计站次与晚稻产量呈显著的负相关关系。
It was found that the late rice yields were negative related with the accumulative times of the high temperature and drought in summer and autumn.
无论早、晚稻，降雨有效利用量均有所提高，从而获得节水增产之效。
No matter early rice and late rice, the rainfall efficiency is raised, so water-saving and high-yielding could be obtained.
探讨了不同肥力水平水稻土与水稻控释氮肥对晚稻的应用效应及经济效益。
Effect and economical benefit of controlled-release nitrogen fertilizer application on late rice in different basic fertility of paddy soils was studied.
探讨了“牡丰”牌晚稻型壮秧剂在江西省晚稻育秧上的应用效果和最佳施用量。
The effect and the best amount of application of "Mufeng" late rice strong sprout agent on raise late rice seedlings were discussed .
与早稻情况一样，氚水中的氚仍以自由水氚和结合态氚形式滞留在晚稻田各分室中；
Similar to that in the first rice, tritium in the second rice and soil was either tritium of free water or bound tritium.
在盆栽缺钾和施钾条件下选用50个早稻品种和47个晚稻品种进行耐低钾筛选试验。
Pot experiment was carried out to study the K efficiency among 50 early rice and 47 second rice varieties under lwo K levels.
对晚稻施钾来说，我们应注意苗期和分蘖期，如果土壤缺钾严重，中期供应一定数量钾肥。
For late rice, we should pay attention to seedling and tillering stage, supply certain amount at middle stage, if soil K deficiency is severe.
早稻甲烷排放峰值出现在水稻幼穗分化期，晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
The methane emission peak of early rice appeared in young panicle differentiation stage of rice.
试验以单晚稻武育粳5号和9325为对照，研究武运粳7号的特征特性和高产群体质量指标。
Taking single cropping late rice Wuyujing 5 and 93 25 as contrast, the variety characters and the high yield population quality indexes were studied.
协优9308在孕穗期和抽穗期比常规品种更易遭受低温冷害，不适宜作为双季稻的晚稻种植。
The variety Xieyou 9308 was easy to be injured by low temperature than conventional varieties and not suitable to be sowed as late rice.
晚稻灾害最严重的年份灾损率达29%，基本上达到了大灾的程度，而早稻的灾损率大多在10%左右。
The loss rate of late rice is 29% in more severe disaster year which reaches great disaster, meanwhile the loss rate of early rice is approximately 10%.
本试验研究提出了定量分析上层水稻植株叶面截留对雾滴沉积影响的方法，分别对早稻与晚稻进行了试验。
The method of quantatively analyzing the effect of fog drop interception by top layer rice leaves on the deposit of spraying fog drop was first put forward in this paper.
1987年大面积种植单季晚稻以来，影响粮食单位面积产量变化的气象条件与1987年之前有着明显的差异。
Since 1987, late rice is planted in extensive area. The meteorological factors influencing the variation of grain yield per unit area from 1987 on differ obviously with those before 1987.
根据水稻纹枯病发生与危害程度的调查资料，经与各诱病因素的相关性分析，组建成早、晚稻纹枯病的长期预测模型。
Based on investigation materials of the occurrence degree of rice sheath blight, long period prediction models were built by means of correlative analysis with several predisposition factors.
第1、4代经卵带毒虫，还能分别引起早、晚稻再次侵染。以早栽双季晚稻和杂交晚稻发病最重，其主要感染期是在本田初期。
The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection on early and late rice respectively.
中晚稻单产灾损率的预估误差的绝对值在0.02~3.77个百分点，平均误差为1.9个百分点，预估精度较高，灾损评估方法可行。
The absolute values of the prediction error of the middle-late rice were between 0.02% and 3.77%, the average error was 1.9%. The precision was high, so the damage assessment method was feasible.
结果表明 ，千金子在直播田只有一个发生高峰期 ，单季晚稻直播田和连作晚稻直播田发生高峰期在播后1周 ，早稻直播田发生高峰期在播后2周。
It showed that Chinese sprangletop germinates to have an emergence peak at 1 week after rice seeded in one season late rice and two season late rice or 2 weeks in early rice.
本试验中发现早稻“湘两优68”和株两优819的产量和品质性状表现均较好，晚稻“丰优299”、“培两优288”和“金优207”的产量和品质性状表现均较好。
The results showed that the yield and quality properties of Xiangliangyou 68 and Zhuliangyou 819 in early rice and Fengyou 299, Peiliang 288 and Jinyou 207 in late rice were better.
因此为了使杂交早稻有更好的反应，钾肥应在早期施用，中期也应重视钾；对杂交晚稻来说，在苗期和分蘗期应格外注意施钾，在中后期也应根据钾营养状况施用一定量钾。
So in order to get good response for hybrid early rice , potassium fertilizer should be applied at early stage, attention should also be paid to middle stage ;
因此为了使杂交早稻有更好的反应，钾肥应在早期施用，中期也应重视钾；对杂交晚稻来说，在苗期和分蘗期应格外注意施钾，在中后期也应根据钾营养状况施用一定量钾。
So in order to get good response for hybrid early rice , potassium fertilizer should be applied at early stage, attention should also be paid to middle stage ;
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