目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
采用小区试验研究了不同灌溉方式对津春4号黄瓜根系特性与产量的影响。
Plot experiment was carried out to study the effects of different irrigation methods on cucumber root characters and yield during fruiting stage, Jinchun 4 was selected as indicating crops.
其主要的生物学特性是：（1）根系发达。
The biological properties were as follows: (1) Well developed roots.
养分的有效性是由土壤物理、化学和生物学特性，特别是根系主导的根际动态过程所决定的。
The availability of mineral nutrients for plants is determined by the chemical, physical and biological characteristics of soils, especially by root-induced changes in the rhizosphere.
研究两种禾本科牧草根系空间变异及养分吸收特性。
Elephant grass and Imperial grass were selected to study the properties of root space distribution and nutrient uptake.
本文重点研究了不同种植模式下不同棉花品种的蒸腾速率、根系生长特性和空间分布规律。
This paper focuses on cotton transpiration, root system biomass, growth, development and distribution under growing stage and different plantation mode.
在不供应和补充供应水、氮条件下，研究了限制根系生长空间对玉米根系生理特性、植株养分吸收及产量的影响。
The influence of root growing space of maize upon root physiological characteristics, nutrient uptake and crop yields were studied under conditions with and without supply of water and n.
各种植物对钾肥的不同需求，常归因于根系的特性和活力。
Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system.
以苹果矮化砧木sh40、M 26的生根试管苗为试材，采用水培方法，研究了根系铁离子吸收动力学特性。
The apple dwarf rootstock SH40 and M26 were used as material to study the kinetics of Fe2 + absorption by the method of hydroponic culture.
影响风倒的主要因素包括林木的生物力学特性、根系与土壤的相互作用和风的扰动等。
The major factors to affect windthrow contain the biologic mechanical attribute of tree, the mutual action of soil and base, disturbance of wind and so on.
植物单根抗拉特性是植物根系生物力学特性的重要组成部分，是研究植物根系固土作用的基础。
Tensile properties of single roots which is the important part of the plant roots biomechanical characteristics, is the research basic of plant roots on soil reinforcement.
为了提高根系抗拉力学特性的分析精度，需要对试验数据进行预处理。
In order to improve analytical precision, the data is needed to be pretreated.
为了提高根系抗拉力学特性的分析精度，需要对试验数据进行预处理。
In order to improve analytical precision, the data is needed to be pretreated.
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