水稻播种

词组短语

rice growing

与水稻播种相关的网络例句 [注：此内容来源于网络，仅供参考]

Changed is a big agricultural city with a cultivated area of 7.01million mu and annal planting area of 15 million mu . The main crops of Changde include: rice, cotton, rape, fruits, vegetables, corn, tobacco, tea, and etc.

项目描述：常德是一个农业大市，有耕地面积701万亩，常年农作物播种面积1500万亩，主要农作物有水稻、棉花、油菜、水果、蔬菜、玉米、烟草、茶叶等。

Main purpose: The separator can make wheat, rice, sorghum, bean, benne,rape and grazing seeds fine clean, grade and it is good for mechanization precision planting.

主要用途：该机通过筛片更换和风量调节，能对小麦、水稻、高粱、豆类、胡麻、油菜、牧草等种子及颗粒状化肥进行精选、分级，有利于机械化精量播种。

The results were as follows, the total cultivated area of Liaoning province has declining tendency in recent 26 years, the total grain yield and the grain yield per unit area increased in "wave" style; the grain yield per unit area and total planting area had the great effect on total grain yield, and the effect of yield per unit area on total grain yield is bigger than that of planting areas; the yield and the planting area of different crops also affected total grain yield greatly, and maize, rice, durra, wheat affect the total grain yield by grain yield per unit area, while millet, maize, wheat affect the total grain yield through planting area changing.

得出如下结论，辽宁省近26年粮食总播种面积呈下降趋势，粮食总产量和平均单产受气候条件影响呈波动式增加；粮食总播种面积和平均单产均显著影响着粮食总产量的变化，并且粮食平均单产的变化对总产的影响要大于粮食播种面积的影响；各种作物的产量和播种面积变化都影响粮食总产量的变化，但各种作物对粮食总产量影响的方式不同，其中玉米、水稻、高粱和小麦主要是通过单产的变化影响粮食总产量，谷子、玉米和小麦则是通过播种面积的改变来影响粮食总产量的变化。

For cross bred rice, the performance of this seeder is satisfying with high rate of single seed.

试验表明，本机在"V"型吸嘴下对杂交水稻的播种性能最好，单粒率相当高。

The influence factors of the air suction cylinder rice seeder were analyzed on the suction and seed performance in this paper.

分析了影响气吸式滚筒水稻播种器吸播种性能的因素，研制了气吸式双层滚筒水稻播种器。

In respect of the mechanical equipment in the planting industry, we should emphatically develop wheeled tractors of 100 horsepower or more and the auxiliary operation machine for less or exempted cultivation or deep loosing, straw and stubble smashing and field returning machine, joint operation machines for precise fertilization and seeding, complete equipment for cultivating sprouts of and for planting rice, maize, cotton and oil crops in factories, plant protection machinery, joint reapers, cotton pickers and complete agricultural equipment, etc..

种植业机械设备领域，重点发展100马力以上轮式拖拉机及为其配套的少耕、免耕、深松作业机，秸杆及根茬粉碎还田机，精量施肥播种联合作业机，水稻、玉米、棉花、油料作物工厂化育秧及栽培成套设备，植物保护机械，联合收割机，采棉机及设施农业成套设备等。

The planting area of rice in our country occupy 28.9% of it in the world .The overall output occupy primacy in all foodstuff. But the production of rice is affected by lepidopteral insect.

据统计，我国水稻播种面积约占全球粮食播种面积的28.9％，总产量居所有粮食作物的首位。

Rice seeds were immersed in CaCl2 solution or water for 18 hours, and then germinated.

将水稻种子用CaCl2溶液浸种18 h后催芽、播种，培养13 d后进行渗透胁迫处理。

This machine is drived by electromotor, adopting the hair wheel to clean up the unwanted seed, can complete out of the works of spreading the bottom soil, inseminating seeds and covering exterior soil in file.

水稻工厂化育秧是九十年代发展起来的一种新型高效的水稻栽培技术，它能够在实现精量播种同时，做到规模化育秧、社会化供秧，及时地为水稻种植户提供壮秧苗。

Pneumatic servo position. The bowl-growing tray of rice was manufactures using straw as material. And the aspirating seeder of grow-seedling of rice was designed and trial- manufactured basing on man-made seed-bed soil, which was made of rice shell poacher and soil.

这里以稻草为原料研制出水稻钵育秧盘，再以稻壳粉与土为原料混合研制出人工苗床土，基于稻草制造钵育秧盘水稻育秧的要求，进行了水稻育秧气吸式播种的试验研究，得出了的最佳结构参数组合。