And established the root uptake water model based on BP Neural Network in saline soil.
同时建立了基于BP神经网络的油料向日葵根系吸水模型。
Nitrogen sources in grain of wax com were 51.25% come from vegetative organ, while 48.75% come from root uptake.
糯玉米籽粒的氮素中，来自前期营养体的转移为51.25%，后期根系的吸收为48.75%。
Hence, the thesis was set out to studying the using of ion selective microelectrode in rice leaf and extends its application in studying nitrate uptake and utilization in rice root.
因此，本文着力于开发微电极技术测定植物叶片的方法以及其在水稻根系硝态氮的吸收和利用方面的研究。
Mechanisms of phytoremediation are proposed to be uptake of organic chemicals by plant and effect of plant root secretion and microorganisms on the degradation of organic contamination.
植物修复的机理包括植物对有机污染物的直接吸收、植物根系分泌物、微生物对根际环境中有机污染物降解的促进作用。
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.
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 root length is main parameter of root architecture with various important functions such as nutrient uptake, drought tolerance and yield.
而根的长度是根型的主要参数，对于养分的吸收，耐旱和作物的产量都有重要的作用。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
The extra water tends to encourage more root growth and the combination of more roots and more water tends to improve uptake of nutrients.
较充足的水分促进了植物根系的生长， 发达的根系和充足的水分又促进了植物对养分的吸收。
Elephant grass and Imperial grass were selected to study the properties of root space distribution and nutrient uptake.
研究两种禾本科牧草根系空间变异及养分吸收特性。
It was concluded that aerenchyma that formed in the root cortex impeded the radial transport of water in the root cylinder and decreased water uptake in water-stressed rice plants fed by nitrate.
这表明施用硝酸盐，当植株遭受水分胁迫后，水稻根皮层形成的通气组织阻止了水分的径向转运，减少了水分吸收。
One of the most research methods used in recent years is to use linear equation to describe several factors comprehensively and set up root water uptake model.
将几个影响根系吸水的因素综合起来考虑，用线性方程进行描述，建立根系吸水模型，是近些年来出现的一个较为简捷的新途径。
There was also a significant correlation between the root activity, root weight and soil potassium uptake of the same crop.
此外，不同土壤上同种作物的根系生物产量、根系活力与作物吸钾量间也呈正相关。
The characteristics of root growth, nutrient uptake and utilization of a wheat albinism after reviving were studied with an in vitro experiment.
采用管栽试验研究了返青后小麦返白系根系生长及养分吸收利用规律。
In the third experiment, we investigated the effects of iron plaque on the root surface on mercury uptake by and translocation within rice seedlings grown in nutrient solution in the greenhouse.
在第三个实验中研究了水稻根表形成的铁膜对水稻吸收和转运汞的影响。
The fibrous root system in cereals comprises primarily adventitious roots (ARs), which play important roles in nutrient and water uptake.
谷类作物的须根系主要由不定根组成，在营养物质和水分吸收中发挥重要作用。
Plant root water uptake is an important part of the research on water transforming patterns in SPAC.
植物根系吸水过程是SPAC系统中水分运移规律研究的重要内容。
Experimental results also indicated that upland rice, with strong root system and high water uptake ability, is rather suitable to the hilly red earth area.
旱稻根系发达，吸水吸肥和抗旱能力强，特别适宜丘陵地区种植。
The current root water uptake models can be divided into the microscopic model and the macroscopic model.
现有的根系吸水模型大致可以分为微观模型和宏观模型。
The results of this analysis showed a significant correlation of water uptake rate with soil profile water content and root weight density.
结果表明：紫花苜蓿根系吸水速率与土壤剖面含水量和根重密度密切相关。
There was high ability to uptake phosphorus and tolerance phosphorus stress in the varieties with strong root system.
具有发达根系的品种吸磷能力强、耐缺磷程度高。
The results showed: the simulation accuracy of the apple tree root water uptake model established by the second method is slightly higher than the model established by the first method.
结果表明：第二种方法建立的苹果树根系吸水模型的模拟精度略高于第一种方法。
In soil-plant system, linear root water uptake model is a linkage between soil and plant.
在土壤-作物系统中，根系吸水模型是连接土壤和作物的桥梁，然而又是最难处理的一个环节。
The study status, the existing problems and the research in the future for the crop root water uptake models were summarized in this paper.
综述了作物根系吸水模型的研究现状、存在问题和研究展望。
The root efficiency ratio and P uptake in shoot in P efficiency genotypes and in P inefficiency genotypes decreased by 55.0%, 54.9% and 32.5%, 36.4% in Fe deficiency treatment respectively.
与正常供铁的处理相比，磷高效和磷低效基因型小麦的地上部吸磷量和根效率比在低铁处理中平均降低了55 0%、54 9%和32 5%、36 4%。
Through theoretical analysis and numerical computation, a two dimensional root water uptake model then was developed. Results of case st...
由理论分析和计算，得到了较为切合实际的二维根系吸水率模型。
A simulated experiment was carried out to study the effect of O2 secretion of rice root on phosphorus behavior in the soil and phosphorus uptake by rice.
通过模拟试验研究了水稻根系泌氧作用对水稻土磷素化学行为以及水稻吸磷的影响。
Set up the wheat root water uptake model with the field experiment data of soil moisture;
建立了由田间实测土壤水分动态资料反求的冬小麦根系吸水模型；
According to Darcy-theory and Dupuit-hypothesis, the roots of tree were approximately considered as an upside-down circular cone, and then plant root water uptake model was established.
该文根据达西定律和裘布衣假定，把树木根系近似看作为倒圆锥体，建立了树木根系吸水模型，并以油松为例对模型进行了验证。
The accuracy of root-uptake-water model depends on the relationship of root-water-uptake rate and root length density to a certain extent.
根系吸水模型的准确性在一定程度上依赖于根系吸水速率与根长密度关系的研究。
The simulation results showed that both the two models could reflect the actual situation of root-water-uptake of winter wheat, and could meet then…
模拟结果表明，两模型基本能够正确反映冬小麦根系吸水的实际状况，满足生产要求。
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