查询词典 multiple cropping

Autotoxic effect, as one of continuous cropping obstacle factors, has not been widely reported in chrysanthemum.

自毒作用作为连作障碍影响的因素之一，至今在菊花上尚未引起应有的注意。

Different parts of continuous cropping "Gaoyataizi" chrysanthemum, roots, stems, litter, leaves, root exudates and rhizospheric soil were extracted with distilled water separately and bioassayed to detect any possible autotoxic activity.

通过制备菊花'高压太子'叶、茎、枯落物、连作根际土壤、根系及无土栽培收集的根系分泌物的水浸液，进行自身种子萌发及幼苗生长实验、扦插生根及盆栽实验，研究评价不同部位水浸液的自毒作用。

These findings show that cotton has autotoxicity effect which maybe one of reasons for continuous cropping obstacle of cotton. The economic yield of cotton will be improved by founding rational cultivate system.

结果表明棉花具有较强的自毒作用，可能是棉花连作障碍的重要原因之一，通过建立合理的耕作制度，可提高棉花经济产量。

The autotoxicity is one of the mechanisms and obstacle effects occurred from continuous cropping.

自毒作用是连作障碍的发生机制之一，该作用主要是由有机酸、醛类芳香酸、香豆素、醌类、生物碱和类萜等植物次生代谢产物及其分解产物所引起的。

This experiment was conducted to imitating the continuous cropping obstacles with extracts of pepper leaf aqueous as poisonous matters and to study the effects of exogenous GSH on the growth of pepper seedlings under autotoxicity.

以辣椒叶浸提液作为辣椒连作障碍的自毒物质，研究了辣椒叶浸提液对辣椒幼苗的生长抑制作用以及加人谷胱甘肽后缓解叶浸提液对辣椒幼苗生长抑制作用的效果。

To investigate the relationship between autotoxicity and continuous cropping obstacle and to find a reasonable crop rotation system for Angelica sinensis (a common traditional Chinese medicinal plant). Aqueous extracts from root, stem and leaf of A. sinensis at vegetative stage were analyzed for autotoxicity and allelopathic effect on Brassica campestris, Triticum aestivum, Avena sativa which are often grown in regions where A.

为探讨当归自毒作用与连作障碍的关系并建立合理的轮作制度，利用4个浓度当归营养期根部及茎叶部水浸液对当归及其种植区常见作物油菜、小麦和燕麦的种子和幼苗进行了生物测定。

The main outputs were validation of the suitability of perennial species for the project area including citrus, pineapple, macadamia, bananas, and palm hearts (Bactris gasipaes Viable cropping systems and sequences were identified.

主要产出的项目区为多年生树种适宜性的验证（包括柑橘，菠萝，坚果，香蕉，棕榈心）可行的种植制度和序列进行了鉴定。

Plentiful emulation experiments show that the algorithm ensures the watermark's imperceptibility and robustness, and is also robust to familiar image processing such as JPEG compression , noise contamination, cropping, zoom and circumrotate etc.

通过大量的仿真实验，证明本文算法在保证水印不可见性的同时，对常见的图像处理，如JPEG压缩、噪声、剪切、缩放以及滤波等，均具有较好的鲁棒性。

What happens compositionally when the rectangle slices right through the object, cropping it is the composition improved by showing only part of the chair?

当矩形和对象发生剪切的时候，只显示对象的某一部分是不是构图感更强？

Physical and chemical properties, culturable bacterial population and phospholipid fatty acid profile of different casing soils at different mushroom cropping stages were investigated.

在双孢蘑菇栽培中，以传统蘑菇砻糠田泥覆土为对照，研究了不同泥炭比例覆土配方的理化性状、细菌生长量、双孢蘑菇菌丝生物量及其产量。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切