Acomparisive trial of 12 new introduced carrot varieties was conducted under multiple cropping conditions.
对引进的12个胡萝卜新品种在复种条件下进行了品种比较试验。
Monoculture practices can incorporate multiple cropping systems by using rotations, borders, and cover crops.
单一做法，可以将复种轮作系统的使用，边界，覆盖作物。
There are many types of multiple cropping systems distributing widely in HanDan country in a small proportion.
邯郸市棉田多熟种植占的比例很小，但分布较广，类型多种多样。
The applied model of wheat corn multiple cropping was discussed in the wheat region of south Shanxi province and Huanghuai.
对小麦复种玉米模式在晋南麦区乃至黄淮麦区的应用前景进行了探讨。
During 1981-1987, the fixed position observation was conducted in different patterns of multiple cropping system of paddy fields.
1981年至1987年，对稻田不同多熟种植方式进行了定位观察。
At the same time, the multiple cropping index, irrigation area, grain yield and the rate of irrigation had been improved increasingly.
耕地灌溉率、复种指数、耕地灌溉面积、粮食产量不断提高；
Multiple cropping vegetable and rice can improve soil utilization rate reduce plant diseases and insect pests and prevent soil stalinization in protective field.
稻菜复种可以提高土地利用率、少蔬菜的病虫害、止保护地内土壤的盐渍化。
Multiple cropping vegetable and rice can improve soil utilization rate, reduce plant diseases and insect pests and prevent soil Stalinization in protective field.
稻菜复种可以提高土地利用率、减少蔬菜的病虫害、防止保护地内土壤的盐渍化。
This study choose the North China Plain as study area and proposed a new method of multiple cropping extraction from remote sensing data based on wavelet transform.
该文以我国华北平原为研究区域，提出了基于小波变换的耕地复种指数遥感提取方法。
The second, devoting efforts to popularize multiple cropping in one year, stereoscopic planting and the high efficient planting pattern in protected cultivation areas.
二是大力推广一年多熟立体种植和保护地高效栽培种植模式；
The variation of the amount of hybrid sweet sorghum with harvest by stages, multiple cropping of wheat stubble, and usual planting with different kinds of fertilization was studied.
探讨了不同肥密因素下分期青刈、麦茬复种与常规种植饲用杂交甜高粱的产量变化。
Statistical validation shows that there is great consistency between extracted multiple cropping index and statistical data at different scale. So the results of this dissertation are believable.
统计验证表明，复种指数提取结果与不同尺度的统计数据均有很高的一致性。
The result shows that multiple-cropping practice compared with other farming methods can gain even greater population supporting capacity;
结果表明，与其它耕作方式相比，复种耕种可获得更大的人口承载量；
The result shows that multiple-cropping practice compared with other farming methods can gain even greater population supporting capacity;
结果表明，与其它耕作方式相比，复种耕种可获得更大的人口承载量；
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