multiple cropping

multiple cropping的基本解释

n.

一年内在同一土地上作多次耕种

与multiple cropping相关的网络例句 [注：此内容来源于网络，仅供参考]

The mount of germ and fungus quantity in soil are remarkably increased for the continuous cropping about 5 years, puts the trichobacteria quantity always change tendency to reduce;The edaphon total quantity, the bacterium quantity change reduces generally above the continuous cropping 5 years and below 5 years (including 5 years) the change are not obvious;In the nitrogen physiology group by ammoniates the bacterium primarily and the quantity changes are not very big;The nitrifying bacteria quantity is lower than the comparison (non- continuous cropping), the quantity of denitrifying bacteria is opposite;The alkalinity phosphatase, the urease, invertin activeness have a closed relations with the continuous cropping when it will increase less than 5 years or decrease in more than 5 years. The relation between catalase activeness and the continuous cropping is not very big. The reduction of the invertin activeness, the alkalinity phosphatase, urease activeness have slightly elevates, catalase activeness have no the regular changes.

表现为连作条件下土壤真菌数量显著增大，放线菌数量总的变化趋势降低；土壤微生物总量、细菌数量变化在连作5年以上普遍降低，5年以下(包括5年)则变化差异不明显；氮素生理群中以氨化细菌为主，但数量变化不大；硝化细菌数量低于对照组，反硝化细菌数量则相反：多酚氧化酶、转化酶活性在5年之前逐渐上升，5年之后逐渐下降，，脲酶活性随着连作年限增加持续上升，过氧化氢酶活性、碱性磷酸酶活性变化无规律。

The detected phenolic, gallic acid was gradually increased with continuous cropping years increasing, vanillic was steady in soil of different continupus cropping years, ferulic acids had more content in soil of five-year continuous cotton cropping, but remarkably reduced with ten-year continuous cropping.7 It was found that the p-hydrobenzoic, vanillic, gallic acid and ferulic acids in different comentration inhibited/stimulated the spore germination and mycelium growth of cotton verticillium wilt.

没食子酸含量随着连作年限增加在土壤中逐渐增加，香草醛在不同连作年限土壤中含量较稳定，而阿魏酸连作5年土壤中含量最高，连作10年时显著下降。7不同浓度的对-羟基苯甲酸、阿魏酸、香草醛和没食子酸对棉花黄萎病病菌孢子萌发和菌丝生长产生促进或抑制的化感作用。

With the increase of continuous cropping year, ammonifying bacteria, azotobacter and cellulolytic bacteria showed the tread of first increases and then decreases and reached the biggest value at continuous cropping for 5 and 3 yr, while the nitrifying bacteria quantity was decreased sharply with the increase of continuous cropping year.

随连作年限的增加，氨化细菌、固氮菌和纤维素分解菌数量呈现先增加后降低的趋势，分别在连作5、3和3年达到最大值，而硝化细菌数量随连作年限的增加急剧下降。

与multiple cropping相关的网络解释 [注：此内容来源于网络，仅供参考]

multiple cropping：复种

复种 复种(multiple cropping) 同一块土地上在一年内连续种植超过一熟(茬)作物的种植制度,又称多次作. 复种是中国蔬菜集约化栽培的主要特点之一,能显著提高土地和光能利用率,

multiple cropping：多熟种植

多熟种植(multiple cropping)指的是在一块地上种植两种或几种作物,是作物种植在时间与空间上的集约化,它包括复种和间套作两个方面. 前者以充分利用时间为目的,后者则侧重于空间的利用. 补充说明 我国以占世界10%的耕地养活了世界22%的人口,

multiple cropping：复种;多造耕作

multinational enterprise 跨国企业 | multiple cropping 复种;多造耕作 | multiple nuclei model 多核心模式

multiple cropping：多次耕种

multiplayer 多玩家 | multiple cropping 多次耕种 | multiple shop 连锁店

Multiple cropping pattern：复种方式

连作土壤:Continuous cropping soil | 复种方式:Multiple cropping pattern | 连作障碍:Continous cropping obstacles