Enquiries : concerning the human understanding and concerningthe principles of morals [Hume, 1975] SELF-CONSISTENT PERTURBATION-THEORY OF DIAMAGNETISM .1. GAUGE-INVARIANT LCAO METHOD FOR NMR CHEMICAL-SHIFTS Vibrational Spectroscopy of Aluminum Nitride ...
Effect of different straw returning measures on resource use efficiency and spring maize yield under a plastic film mulch system ditch-buried straw returning with ridge–furrow plastic film mulch (RP+SD)—with two N fertilizer application rates—125 kg N·ha–1 (N125) and 175 ... M Zhang,...
The invention discloses a cultivation method for planting spring rice-stubble potatoes through livestock manure fertilizing, ditch expanding and soil heaping. The method includes the first step of making a furrow, wherein the width of the furrow surface is 100cm, and the width of a furrow ...
17.Benefit Assessment of Land Use of Wangdonggou Watershed in Loess Hilly and Gully Region黄土高原沟壑区王东沟流域土地利用效益评价 18.A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line.沟渠,排水沟,水道在地面上狭长的沟渠或细沟,用于灌溉、排水或用...
It are made of planting seedling mechanism,conveying mechanism,furrow opener,press wheel,... X Li,C Yang,F Yuan,... 被引量: 0发表: 2017年 Linking the planting of cover crops to soil and water nutrient dynamics in Shatto Ditch Watershed, IN In agricultural areas dominated by row-crops, ...
16.Design and Experiment of 1QL-70 Bed Former for Permanent Raised Beds1QL-70型固定垄起垄机设计与试验 17.Digital Design Method of Furrow Openers Based on DEM;基于离散元法的开沟器的数字化设计方法研究 18.The Researches on Watering Performance of the Opener of Regulated Deficit Irrigation Seeder;...
In a method of making an underground ditch for drainage purposes, at least two strips 1, 2 of earth are produced by ploughing, the first 1 cut out of the surface and raised to allow the second 2 to be cut out of the resulting furrow 8, to form the ditch 7, Fig. 1, and then ...
The prepared corrugated board material is cut into a proper size to give a corrugated board-like open ditch constituent material, which is embedded in thin furrows formed at given intervals in a field and ridges are formed between the open ditch constituent materials to culture plants. Or the ...
Parameter optimization and experiment of splitter sliding-knife opener for potato planter To get good effects of planting, the time of potato fall into furrow should be less than that of soil particles fall back into furrow. The factors influencing the effect of the potato seed in the ditch wer...
FIXING STRUCTURE AND FIXING STRUCTURE CONSTRUCTION METHOD [project] fixed fixture construction for being fixed material on the steel construction pillar with longitudinal furrow, can will simply be fixed material ... 小久保 隆博,白波瀬 真司,古村 嘉浩,... 被引量: 0发表: 2019年 ...