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   sowing time 在 林业 分类中 的翻译结果: 查询用时:0.915秒
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sowing time    
相关语句
  播期
    The practice showed that the forest area may account for about 30%of the total sown area,so long as the Suitable sown area and sowing time are chosen.
    实践表明,只要播区、播期选择适宜,该区飞播油松成林面积可望占30%左右。
短句来源
    Six different sowing time were designed, then the growing of seedling sowed at different time was investigated respectively after 38 days and the height and the root conditions of them was inspected 12 months later.
    方法:设6个播期,播种38天后调查各播期梭梭苗生长情况,同时记录气温变化; 1年后调查各播期梭梭株高、根长、茎基粗。
短句来源
  播种期
    Study on the Sowing Time of Haloxylon Ammodendron in Ningxia
    宁夏育苗肉苁蓉寄主梭梭播种期初步研究
短句来源
    This experiment was conducted in semiarid Wuqi County where annual rainfall is about 400 mm. The following main research contents are included in the experiment:the aerosowing result of Caragana microphylla,its biological and ecological characteristics,the sowing time and seed quantity and aerosowing technology.
    本试验在年降水量400毫米的半干旱地区吴旗县进行,主要内容有:柠条(Caragana micro-Phyllalam)的飞播效果、生物生态学特性、播种期、播种量和飞播技术等。
短句来源
    Sowing time,sowing density,shade effect and cold resistance of ginkgo seedling were conducted in south Hebei. The result showed that suitable sowing time was middle of March; proper density was 60 000 grains/666 7m 2;
    在冀南地区对银杏进行了播种时期、播种密度、遮荫效果、幼苗耐寒性等试验 ,结果表明 ,银杏适宜播种期为 3月中旬 ,适宜密度为 6万粒 / 6 6 6 7m2 ,为降低苗期辐射强度、提高幼苗的抗灼伤能力应遮荫 2 0 %~ 4 0 % ,并进行断胚根等技术措施 ;
短句来源
  播期
    The practice showed that the forest area may account for about 30%of the total sown area,so long as the Suitable sown area and sowing time are chosen.
    实践表明,只要播区、播期选择适宜,该区飞播油松成林面积可望占30%左右。
短句来源
    Six different sowing time were designed, then the growing of seedling sowed at different time was investigated respectively after 38 days and the height and the root conditions of them was inspected 12 months later.
    方法:设6个播期,播种38天后调查各播期梭梭苗生长情况,同时记录气温变化; 1年后调查各播期梭梭株高、根长、茎基粗。
短句来源
  播种期
    Study on the Sowing Time of Haloxylon Ammodendron in Ningxia
    宁夏育苗肉苁蓉寄主梭梭播种期初步研究
短句来源
    This experiment was conducted in semiarid Wuqi County where annual rainfall is about 400 mm. The following main research contents are included in the experiment:the aerosowing result of Caragana microphylla,its biological and ecological characteristics,the sowing time and seed quantity and aerosowing technology.
    本试验在年降水量400毫米的半干旱地区吴旗县进行,主要内容有:柠条(Caragana micro-Phyllalam)的飞播效果、生物生态学特性、播种期、播种量和飞播技术等。
短句来源
    Sowing time,sowing density,shade effect and cold resistance of ginkgo seedling were conducted in south Hebei. The result showed that suitable sowing time was middle of March; proper density was 60 000 grains/666 7m 2;
    在冀南地区对银杏进行了播种时期、播种密度、遮荫效果、幼苗耐寒性等试验 ,结果表明 ,银杏适宜播种期为 3月中旬 ,适宜密度为 6万粒 / 6 6 6 7m2 ,为降低苗期辐射强度、提高幼苗的抗灼伤能力应遮荫 2 0 %~ 4 0 % ,并进行断胚根等技术措施 ;
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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