direct sowing in flooded paddy field是什么意思

网络释义

用法例句

Application techniques of Suchu herbicide for controlling weeds were studied in direct seeded rice fields in the Middle and Lower Reaches of the Yangtze River.

通过在长江中下游主要直播水稻栽培区进行了速除防除杂草试验,明确了速除450~600 g a。

Study on yield increasing mechanism of the infiltration irrigation through shallow furrow to the southern direct sowing rice;

南方直播水稻浅沟渗灌节水增产机理研究

Because of no differences with weeds in time and location, direct sowing rice with labor saving, low investment and high yield potential also has some shortages in competition for space, so the harm degree of weeds is increased, such as moleplant seed which is unsusceptible to normal weed killers and becomes a severe weed.

直播水稻具有省工、节本、产量潜力高等优点 ,直播稻苗与杂草无时差、位差 ,不存在“空间”竞争优势 ,增加了杂草的危害程度 ,尤其是千金子 ,对目前稻田常用除草剂不敏感 ,已逐渐成为直播水稻田间的恶性杂草 ,部分地块甚至因其猖獗危害而绝收。

The insects and rice sheath blight, Thanatephorus cucumeris (Prank Donk)occurrence tendency on the direct seeding rice in northern of Zhejiang Province;

浙北直播水稻主要虫害和稻纹枯病发生趋势研究

The domestic and overseas techniques of paddy direct seeding are discussed in this article.

介绍国内外水稻直播技术的发展现状,分析水稻直播技术的优点,阐明水稻直播技术的实施要点。

Research on methods of working out seeding quantity of rice drill;

水稻直播机的排种数检测方法

Seeding detectors for rice drill;

水稻直播机播种监测器研究

In accordance with the difficult problem that it is difficult to discover the amount of sowing exceed the limit when rice drill is sowing, a detector system for rice drill is designed.

针对水稻机直播时播种量超限不易察觉的难题,研制了水稻直播机自动监控系统,而在该系统设计过程中的第一大难题就是对实际播种信号的采集问题。

A Study on the Seeding Times and Fertilizing Rate of Direct Seeding Rice under Zero Tillage Condition;

免耕直播水稻播种时期和施肥量的研究

Effect of Water-saving Irrigation on the Yield Formation of Precision Hill-direct-seeding Rice

节水灌溉对精量穴直播水稻产量形成的影响

Research on the Dynamic Change and Runoff Loss of Nitrogen in the Soil Surface Water of Rice Fields of Direct Seeding Cultivation

直播水稻田田面水氮素动态变化及径流损失研究

Studies on Agronomic Traits of Direct-seeding Rice, Preparation and Application Effect of Special Pelleting Agent;

直播水稻农艺特性及专用型丸化剂研制与作用效应研究

Effects of Nitrogen Fertilizer and Density on Precision Hill-direct-seeding Rice Ⅱ--Physiological Characteristics

氮肥和密度对精量穴直播水稻的影响Ⅱ——生理特性

Effects of Nitrogen Fertilizer and Density on Precision Hill-direct-seeding Rice Ⅰ--Yield Formation Characteristics

氮肥和密度对精量穴直播水稻的影响Ⅰ——产量形成特性

Study on Seed Coating and Direct Seeding Cultivation Density of Coldly Paddy Rice

寒地水稻种子包衣直播栽培密度试验

Research of Theory and Experiment on Air Suction Seed-metering Device for Direct Drilling of Rice Bud-sowing;

气吸式水稻芽种直播排种器的理论及试验研究

An Optimization Design on Electromagnetic Vibrated Seeding Apparatus of 2BD-6 Rice Direct-Seeding Machine by Virtual Prototype Technology;

2BD-6水稻直播机电磁振动排种器虚拟设计

Feasibility and Suggestion about the Application of Rice Direct seeding Technology in Nanjing;

论南京市水稻机直播技术应用的可行性及建议

The Design of Intelligent Detector for Paddy Seeder;

水稻直播机监测系统中键盘显示接口的设计

Seed High-yield Techniques for Hybrid Rice “Jinyou 63” by Direct Planting Female Parent;

杂交水稻金优63母本直播高产制种技术

Mapping of QTL Controlling 6 Panicle Traits of Rice under Direct-sowing Environment

直播条件下水稻6个穗部性状的QTL分析

Dynamic Response of Taped Type Rice Direct Seeding Machine for Field Surface Roughness

水稻种绳直播机对地表不平度的动态响应

The Direct-seeding Machine' Traction Trait Based on Virtual Instrument

基于虚拟仪器的水稻直播机牵引性能试验

Development Status and Technical Measures for Rice Direct Sowing in the Northeast of China

东北地区水稻直播技术的发展现状及技术措施

The effect of different amounts of base-manure on rice yield of direct seeding in dry land

不同基肥用量对水稻旱直播产量的效应

Experimental Demonstration of Direct Seeding Culture of Hybrid Rice and Its Prospect in Xiangxi Autonomous Prefecture

湘西州杂交水稻直播栽培试验示范及发展前景