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maize sowing
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  “maize sowing”译为未确定词的双语例句
     Effect of climate change on maize sowing date in the east of Gansu
     气候变化对陇东塬区玉米播种期的影响
短句来源
     To a sample dryland soil in Chaoyang county, Liaoning province, computational result of critical soil moisture content for maize sowing is about 17.34% (gravity content), or 58.1% of field capacity.
     针对于朝阳县试验土壤 ,计算结果显示 ,播种玉米时土壤临界含水率为 17.34 %,为田间持水率的 5 8.1%。
短句来源
     The effects of maize sowing period on productivity of strip farmland growing high-quality wheat and grain-feed corn
     甘肃河西灌区玉米播期对优质小麦与粮饲兼用玉米带田生产能力的影响
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     The author studied varieties of relay intercropping maize, sowing period and treatment of seed and made experiment of density and nitrogen-phosphorous mixed ratio in Bole district of northern Xinjiang region.
     作者以套种玉米品种与播期试验、种子处理试验、前后作的密度试验、套种玉米不同氮磷肥配比试验等作为研究对象,并对其效益评价;
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     The field trials indicated that the control effect of fresh weight of weeds reached over 90% while the herbicide was sprayed at 3150~3750g/ha diluted in 750 l water on the 4th day after maize sowing. The persistant was sustained for 70 days.
     田间试验结果表明,在玉米播后3天用3150~3750克/公顷对水750升喷雾处理,对杂草鲜重防效达90%以上,基本达到施药一次,控制草害
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  相似匹配句对
     STUDY ON SOWING PATTERNS OF MAIZE FOR DROUGHT-RESISTANCE
     玉米抗旱播种方式研究
短句来源
     Two problems in maize mulch sowing and their solution
     玉米覆膜播种中存在的两个问题及解决方法
短句来源
     5.sowing;
     5、播种;
短句来源
     Sowing Hope
     播种希望——清徐县农民孙春有投资兴学记
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     and maize cross.
     与玉米杂交导入一个小麦加倍单倍体 (DH)植株中。
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  maize sowing
However, BS maize was unable to build up root densities similar to those observed in Italian ryegrass plots at the time of maize sowing.
      
Sesbania seedlings were interplanted with maize during maize sowing at 0, 7400 or 14,800 trees ha-1, in factorial combination with inorganic N fertilizer at 0 or 48 kg N ha-1 (half the recommended rate).
      
Hand-hoeing treatments, especially at 5 weeks after maize sowing, reduced the total populations ofDitylenchus sp.,Heterodera sp.
      


The mixture of acetochlor,atrazine and metolachlor 40% SC was a new combined herbicide formulation used in maize field.The field trials indicated that the control effect of fresh weight of weeds reached over 90% while the herbicide was sprayed at 3150~3750g/ha diluted in 750 l water on the 4th day after maize sowing.The persistant was sustained for 70 days.

0%乙·阿·异丙悬浮剂是玉米地复配除草剂。田间试验结果表明,在玉米播后3天用3150~3750克/公顷对水750升喷雾处理,对杂草鲜重防效达90%以上,基本达到施药一次,控制草害

A systematic study on the growth, development,dry matter production and partition of maize sowing in different seasons were made in the town of Caoba of Mengzi in 1996 - 1997. The results are as flo- lows: 1.The growth duration of winter is 171 days, the summer maize growth duration is only 101 dsys. 2.Spring maize produced more dry matter before silk than after silk than after silk,conversely,the in other sowing seasons maize more dry matter ac sac. There is a an direct correlation...

A systematic study on the growth, development,dry matter production and partition of maize sowing in different seasons were made in the town of Caoba of Mengzi in 1996 - 1997. The results are as flo- lows: 1.The growth duration of winter is 171 days, the summer maize growth duration is only 101 dsys. 2.Spring maize produced more dry matter before silk than after silk than after silk,conversely,the in other sowing seasons maize more dry matter ac sac. There is a an direct correlation between the amount of dry matter production and the product of sunshine - hour multiplied by the leaf area index.3.At grain filling pe- riod ,there is an direct correlation between≥10℃ accumulated temperature and the percentage of grain weight accounting for total increasing weight.4.Besides the photosynthate produced at grain filling stage,the grain production for spring maize present 11.1% of the store substance produced before silk,but during oth- er sowing seasons are depend completely upon the carbohydrate produced at filling stage,and a different proportion of carbohydrate remains in the vegetative organs.The results show that carbohydrate produced at filling is a limiting factor for the yield of spring maize, but for the other sowing seasons maize,the high yield usually is limited by a small or hindered transportation.

1996~1997年,在蒙自草坝对春、夏、秋、冬四季玉米的生长发育和干物质生产与分配进行了系统研究,结果表明;1.冬玉米生育期最长达171天,而夏玉米只有101天。2.春玉米花丝期前生产了较多的干物质,其它的则是花丝期后生产的干物质更多,干物质生产量与日照时数和LAI的乘积正相关。3.灌浆期籽粒重占总增重的比例与各季玉米灌浆期≥10℃的积温正相关。4.春玉米籽粒生产除灌浆期的光合产物外,动用了前期贮存物的11.1%,其他玉米完全依赖于灌浆期的光合产物,并有不同比例光合产物贮存于营养体中。说明春玉米的产量受限于灌浆期的光合产物,其它玉米则受库容小或运输不畅的限制。

Concept and determination method of critical soil moisture for bed-irrigating sowing was introduced. A mathematical model with soil water dynamics theory for computing the critical soil moisture was developed in this paper. Solves for the model were determined with iterative method. To a sample dryland soil in Chaoyang county, Liaoning province, computational result of critical soil moisture content for maize sowing is about 17.34% (gravity content), or 58.1% of field capacity. The result shows that...

Concept and determination method of critical soil moisture for bed-irrigating sowing was introduced. A mathematical model with soil water dynamics theory for computing the critical soil moisture was developed in this paper. Solves for the model were determined with iterative method. To a sample dryland soil in Chaoyang county, Liaoning province, computational result of critical soil moisture content for maize sowing is about 17.34% (gravity content), or 58.1% of field capacity. The result shows that a drought-fighting bed-irrigating sowing measure should be adopted where soil moisture content is lower than 17.34%.

提出了坐水播种土壤临界含水率的概念和计算思路 ,根据已有的土壤水动力学理论 ,建立了计算这个临界含水率的二维数学模型 ,应用迭代法进行了求解。针对于朝阳县试验土壤 ,计算结果显示 ,播种玉米时土壤临界含水率为 17.34 %,为田间持水率的 5 8.1%。若春播时 ,土壤含水率小于 17.34 %则需要采用坐水等措施进行抗旱播种。

 
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