查询词典 wheat aphid

And particularly is the discriminatory analysis and Markovian model, their accurate rate of return are more higher than their prediction, this show that their prediction resolutions are unsteady and they have good application value in the prediction of wheat midge.

尤其是判别分析预测法和马尔柯夫链预测法，这两种预测方法的预测准确率和回测准确率相差较大，说明预测效果不稳定，对小麦吸浆虫的预测实际应用价值不大。

In order to research the effects of minimum tillage and no-tillage patterns on kernel quality of winter wheat, five tillage patterns were adopted in Longkou city, Shandong Province, for three years. The five tillage patterns were as follows: conventional tillage with no straw turnover, conventional tillage with straw turnover, rotary tillage with straw turnover, serrated disk harrow tillage with straw turnover, no-tillage with straw cover.

为了研究不同土壤耕作模式对冬小麦籽粒品质的影响，采用了5种土壤耕作模式(常规耕作秸秆不还田、常规耕作秸秆还田、旋耕秸秆还田、缺口圆盘耙耕秸秆还田、免耕秸秆覆盖)在山东龙口进行了3年田间试验，测定了冬小麦籽粒蛋白质品质、面团流变学特性和淀粉糊化特性。

The wheat root diameter distribution and variation rule of side row and middle row diameter is basically consistent.

从各种参数比较，充分说明了边行根系的优势与地上部分的边行优势是一致的。

The researchers isolated a chemical in wheat that repels dodder. This could lead to new ways of fighting the weed.

研究人员从小麦中提取的一种化学物质可以抵制菟丝子，所以有可能找到新办法来抗击这种杂草。

He then decided to prepare a dog biscuit of wheat meal , vegetable , beetroot and meat , and started selling them exclusively to English country gentlemen who had sporting dogs .

然后，他决定编写一份狗饼干小麦粉，蔬菜，甜菜和肉类，并开始出售他们专门为英语国家，先生们：谁曾运动犬。

The result showed that: with the increase of dose rate and fluence wheat germination percentage was down.

结果发现：随着剂量率和剂量的增加，小麦的出苗率逐渐降低。

The wheat and rice department of Louis Dreyfus China is committed to enhancing business activities and providing its customers with up-to-the-minute information about the grain markets.

路易达孚中国的小麦和大米部致力于为中国客户提供完善的市场贸易和信息服务。

The effect of irrigation on the yield of wheat and water utilization under limited irrigation was studied in the hilly dry farming in the west of Henan province.

在河南省丘陵旱作区，采用限量灌溉的方法，研究了灌水对冬小麦子实产量和水分利用的影响。

Field irrigation experiment of different salt concentration is conducted for wheat,maize and sunflower with normal quota and leaching quota in this paper,and study on crop growth,accumulation law of dry matter above ground and crop yield of 3 crops.

在田间试验条件下，采用正常灌溉定额和淋洗灌溉定额2种灌溉水平，对小麦、玉米、葵花3种作物进行了不同灌溉水矿化度处理的灌溉试验，对3种作物的生长过程、地上部干物质积累规律、作物产量等进行了研究。

According to the method D1102-84,which is the normative method of biomass ash measurement,approximate analysis has been done with the straws of wheat,rice,corn,bean,durra and cotton as sample.

按照D1102-84灰分标准测定方法，对小麦、水稻、玉米、黄豆、高粱、棉花等几种秸秆样本进行了工业分析；在ZRC2000智能灰熔点测定仪上对不同秸秆进行了灰熔点测试；在不同的温度和停留时间下，在马弗炉上对不同秸秆进行了热灼烧试验。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网