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sowing time
相关语句
  播期
    Effects of Sowing Time, Density and Fertilizer on the Grain Production of Amaranthus Caudatus R 104 .
    播期、密度、施肥对籽粒苋R_(104)品种籽实产量的影响
短句来源
    The result showed that the time from sowing to ripening was 194~290 d, and it would be shortened with the sowing time delayed.
    结果表明,多花黑麦草播种至成熟全生育期为194~290d,随着播期的延迟而缩短。
短句来源
    To dotermine suitable sowing time (late June or early and middle July before raining season begins), sown areas (a large area where the cultivated land is turned into waste or turned into forest and grass land) and plowing surface and treating seeds are the efficient technical measures to increase aerial sowing effects.
    选择适宜的播期(雨季来临前夕的6月下旬至7月上、中旬)、播区(具有大面积退耕地和撂荒地)并采取地面处理和种子处理,是提高飞播效果有效的技术措施。
短句来源
    In this paper, resowing theory and technique in terms of selection of species, sowing method, sowing time and sowing rate were discussed systematically and comprehensively on the basis of resowing practice in rangeland improvement.
    本文依据甘南数年来的补播实践,对实施草地补播的作用、选择补播草种所应遵循的原则、播期和播量的确定方法等理论和技术问题作了较为全面系统的论述。
短句来源
    Sowing time had a great influence on the days of tillering to jointing, and single ridge to double ridges.
    播期对分蘖至拔节和单棱至二棱的天数影响较大。
短句来源
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  播种期
    Sowing time was the key factor affecting the yield of Brassica rapa in the alpinepastoral region of southern Qinhai Province,temperature decrease in autumn was main factorlimiting the root growth,and big difference of daily temperature played an imp0rtant role inhigh yield.
    在青南高寒牧区播种期是影响莞根产量的最关键因素,秋季降温是决定完报停止生长的主要因素,气温日较差大是莞根获得高产的重要原因。
短句来源
  播期
    Effects of Sowing Time, Density and Fertilizer on the Grain Production of Amaranthus Caudatus R 104 .
    播期、密度、施肥对籽粒苋R_(104)品种籽实产量的影响
短句来源
    The result showed that the time from sowing to ripening was 194~290 d, and it would be shortened with the sowing time delayed.
    结果表明,多花黑麦草播种至成熟全生育期为194~290d,随着播期的延迟而缩短。
短句来源
    To dotermine suitable sowing time (late June or early and middle July before raining season begins), sown areas (a large area where the cultivated land is turned into waste or turned into forest and grass land) and plowing surface and treating seeds are the efficient technical measures to increase aerial sowing effects.
    选择适宜的播期(雨季来临前夕的6月下旬至7月上、中旬)、播区(具有大面积退耕地和撂荒地)并采取地面处理和种子处理,是提高飞播效果有效的技术措施。
短句来源
    In this paper, resowing theory and technique in terms of selection of species, sowing method, sowing time and sowing rate were discussed systematically and comprehensively on the basis of resowing practice in rangeland improvement.
    本文依据甘南数年来的补播实践,对实施草地补播的作用、选择补播草种所应遵循的原则、播期和播量的确定方法等理论和技术问题作了较为全面系统的论述。
短句来源
    Sowing time had a great influence on the days of tillering to jointing, and single ridge to double ridges.
    播期对分蘖至拔节和单棱至二棱的天数影响较大。
短句来源
更多       
  “sowing time”译为未确定词的双语例句
    THE SUITABLE SOWING SITES, GRASS SPECIES AND SOWING TIME IN RELATION TO THE RESULT OF AERIAL SEEDING
    适地适草适时与飞播牧草的成效
短句来源
    ④Optimum flowering time for hybrid production of Pearl millet × Napier grass was last ten days in August, so sowing time for sterility line Pearl millet Tift23A on first and tenth in June, and Napier grass N51 should be on 15, July and with short-day treatment. It can be obtained flowering time agreement.
    4.杂交制种的适宜花期为8月下旬,即美洲狼尾草不育系Tift23A在6月1日、10日分期播种,而象草N51在7月15日进行短日处理,可实现花期相遇。
短句来源
    Contents of crude fiber (CF)、neutral detergent fiber (NDF) and their nitrogen-free extract (NFE) in 12 herbage species were determined. There is a significant s 194~290 d, and it would be shortened with the sowing time delayed. Sowing time had a great influence on the days of tillering to jointing, and single ridge to double ridges.
    测试了12种牧草的粗纤维(CF)、中性洗涤纤维(NDF)含量和各自的无氮浸出物(NFE)含量。
短句来源
    It was indicated by the model that the optimal sowing time was from the middle of October to the end of November for temperate forages, and from the end of March to the middle of April for tropical species.
    根据气候模型预测出温带牧草的最佳播种时期在10月中旬至11月下旬,热带牧草最好在3月下旬至4月中旬播种。
短句来源
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  sowing time
The influence of the sowing time on the intensity of attack by the panicle generation of frit fly
      
Measurements were carried out on soil samples before sowing (time zero) and after sowing and inoculation (5, 15, 25, 35 and 45 d) on samples of rhizosphere soil.
      
N source-sowing time combination had a highly significant influence on % Ndff, % Ndfs, % FNU, N uptake, and fertilizer N yield of upland rice.
      
Effects of sowing time and plant age on critical nitrogen concentrations in canola (Brassica napus L.)
      
For sugar beet, in 1990, 1991 and 1992, 40% of fertilizer N was found in the crop at harvest when NH4NO3 had been broadcast at 100 to 160 kg N ha-1 at sowing time.
      
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This paper describes the suitability of Astragalus adsurgens by aerial so- wing and technology of improving aerial sowing effects in the area where an nual precipitation is about 250 mm. It indicates that the major factors affecting effects of aerial sowing Astragalus adsurgens are drought, low temperature and calamitles caused by wind and sand. To dotermine suitable sowing time (late June or early and middle July before raining season begins), sown areas (a large area where the cultivated land is turned...

This paper describes the suitability of Astragalus adsurgens by aerial so- wing and technology of improving aerial sowing effects in the area where an nual precipitation is about 250 mm. It indicates that the major factors affecting effects of aerial sowing Astragalus adsurgens are drought, low temperature and calamitles caused by wind and sand. To dotermine suitable sowing time (late June or early and middle July before raining season begins), sown areas (a large area where the cultivated land is turned into waste or turned into forest and grass land) and plowing surface and treating seeds are the efficient technical measures to increase aerial sowing effects. The experimental results showed that the dense high grassland could be formed after Astragalus adsurgens grown for three years, survival seedling rate is 85.5-100%, fresh grass yield is 493.5 kg/mu (the highest is 2, 034.3 kg/mu), which is 6.8 times as much as that of closed waste land. Aerial sowing Astragalus adusurgens has shown markable economic and ecological benefits.

本文比较深入地探讨了在年降雨量250毫米左右条件下,沙打旺适于飞播的能力和提高飞播效果的技术。干旱、低温和风沙灾害是影响沙打旺飞播效果的主要因子;选择适宜的播期(雨季来临前夕的6月下旬至7月上、中旬)、播区(具有大面积退耕地和撂荒地)并采取地面处理和种子处理,是提高飞播效果有效的技术措施。试验结果表明,沙打旺播后第三年,即可形成郁闭的高草地,成苗面积率达85.5-100%,平均亩产鲜草493.5公斤(最高可达2,034.3公斤),为同期封禁荒地产草量的6.8倍。经济改益和生态效益显著。

Resowing is one of many technological measures in rangeland improvement. In this paper, resowing theory and technique in terms of selection of species, sowing method, sowing time and sowing rate were discussed systematically and comprehensively on the basis of resowing practice in rangeland improvement.

草地补播是众多草地改良技术措施中具有特殊功用的一种。本文依据甘南数年来的补播实践,对实施草地补播的作用、选择补播草种所应遵循的原则、播期和播量的确定方法等理论和技术问题作了较为全面系统的论述。

Characteristics of light and tempreature and optimum flowering time of parents of Pearl millet (Pennisetum americanum) × Napier grass (P. purpureum) during hybrid production were studied by sowing in different time and short-day treatment. The results showed: ①Temperature summation from short-day treatment to heading date on Napier grass N51 was different in year and between years. Days from short-day treatment to heading date was stable about 36. 7 ± 4. 5 days. ②Sterility line Pearl millet Tift23A is warm and...

Characteristics of light and tempreature and optimum flowering time of parents of Pearl millet (Pennisetum americanum) × Napier grass (P. purpureum) during hybrid production were studied by sowing in different time and short-day treatment. The results showed: ①Temperature summation from short-day treatment to heading date on Napier grass N51 was different in year and between years. Days from short-day treatment to heading date was stable about 36. 7 ± 4. 5 days. ②Sterility line Pearl millet Tift23A is warm and short-day crop. Differences were significant both days from sowing to heading date and temperature summation in different years due to climate change. ③Base tempreature of Napier grass and Pearl millet Tift23A were about 13. 66℃ and 14. 8℃ respectively. ④Optimum flowering time for hybrid production of Pearl millet × Napier grass was last ten days in August, so sowing time for sterility line Pearl millet Tift23A on first and tenth in June, and Napier grass N51 should be on 15, July and with short-day treatment. It can be obtained flowering time agreement.

通过分期短日处理和分期播种的方法,研究了美洲狼尾草与象草杂交种生产中双亲的光温特性,探讨杂交制种适宜花期的选择。试验结果表明:1.象草N51短日处理至抽穗期的积温值在年度间及年内的差异均较大。而处理至抽穗的天数较稳定为36.7±4.5天。2.美洲狼尾草不育系Tift23A为喜温短日作物,由于年度间气候差异表现为不同年份播种至抽穗的天数差异极大,可达20天以上。积温值年度间及年内差异也极大。3.象草的有效下限温度为13.6℃,美洲狼尾草不育系Tift23A约为14.8℃。4.杂交制种的适宜花期为8月下旬,即美洲狼尾草不育系Tift23A在6月1日、10日分期播种,而象草N51在7月15日进行短日处理,可实现花期相遇。

 
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