In view of economic yield and the ratio of output/input,comparision of eight cultivating forms for winter wheat show that the film mulching and bunch seeding cultivation and the film mulching and double sides strip seeding are suitable for Weibei rainfed areas.
通过对冬小麦8 种不同栽培方式的试验研究,从经济学产量和产投比的角度进行了分析比较,得出适合于渭北旱原冬小麦全生育期地膜覆盖穴播和膜侧条播栽培方式。
Plastic mulching and bunch planting were applied to the breeding of Zizyphus spinosus Hu.
针对干旱地区气候干燥,干旱少雨,蒸发量大等特点,运用覆膜穴播酸枣(Zizyphus spinosus Hu。
The study of sowing thickness and fertilizer application of hole sowing spring wheat with plastic films covering had been engaged adopting split-plot experiment in the areas of plain and flat field at mountain in Linxia Prefecture.
采用裂区试验对临夏州地膜穴播小麦施肥和播种密度进行了研究，分析结果表明：川塬地地膜穴播小麦施Ｎ１１２５～１５００ｋｇ／ｈｍ２、磷肥（Ｐ２Ｏ５）９００～１２００ｋｇ／ｈｍ２、播种量为２２７３ｋｇ／ｈｍ２（即１２粒／穴）时，可获得最佳产量和经济效益。
Study on Multi-function Precision Planting Sinus Wheel for Upland Crop;
旱作多功能精密穴播轮的研究
It had been done the tests of the influence that the housing seed quantity of planting sinus wheel, the speed of revolution of the wheel, the forming sinus and casting seed container or the geometric installation dimension of the wheel fender was to the sowing quality.
在室内试验台架上进行了穴播轮容种量、转速、成穴投种器和翼板的几何安装尺寸对播种性能影响的试验 ,并在此基础上进行了相应的正交寻优试验。
Maize Seeding-machine with Watering in a Hole and Development of Automatic Monitor System;
玉米穴播穴施水机自动控制系统设计
checkrow clutch
方形穴播同步离合器
Mathematic Models of Water Application for a Variable Rate Irrigating Hill-seeder
变量穴施水穴播机的变量施水数学模型
checkrow fertilizer planter
带施肥装置的方形穴播机
The Population Characteristic of Super-high Yield Rice with Sowed in Hole on Plastic Trays;
水稻塑盘穴播苗超高产群体特性研究
2BDG-1 Strutting Steering of Lever-Opengingprecision Seeder
2BDG-1舵轮杠杆开启式穴播机
Design and Experiment on Pressure-plate and clamping precision dibbler
压板夹持式精量穴播器的设计与试验
The Design of Steering Wheel and Lever-opening Dibbler and Analog Simulation of the Shape of Soil Hole
舵轮式杠杆开启穴播器的设计分析及穴孔形状仿真模拟
Study of Framework and Parameter of Film Mulching Hill-Drop Planter;
地膜覆盖穴播机的机构和参数设计的研究
Study on the New Cotton Seeds Precision Dropping Mechanism Component of Hole-sowing on Plastic Film
新型棉花膜上穴播精密排种部件的研究
Relationship Between Cotton Precision Dibbler's Filling Performance and Shake Frequency Together with Range
棉花精量穴播器晃动频幅与充种性能的关系
Experiment Research on Forcipate Cotton Precision Dibbler on Films
钳夹式棉花膜上精量穴播器的实验研究
Optimum Parameter & Simulation Design of Cotton Precision Seedling Metering Device Using Air Suction;
气吸式棉花精密穴播器的主要参数优化及仿真设计
Design of the cam and planar four-bar linkage of the duck rostra opener
鸭嘴式穴播器活动门凸轮-平面四杆式开启机构的研究
The Design and Research of a Needle-aspiration Hill-drop Automatic Drill;
针吸式穴盘自动播种机的设计与研究
Development of 2BT-6X Corn Precision Seed Planter of Expedite Budding and Dibble Spurting Water and Dibble Fertilizer
2BT-6X型玉米催芽穴喷水穴施肥精播机的研制与效益分析
Experimental Study and Design of Waterway System of Irrigating-sowing Machine;
穴灌坐水播种机水路系统的设计与试验研究
Research on System of Detect-Controlling Automatically Seeder by Magnetic Force for Plug Seedling;
磁吸式穴盘播种器自动监控系统的研究