Furthermore, the use of agricultural machinery for large scale single cropping cannot do without oil.
另外，大规模单一化种植对机械的要求也间接要求石油的供应。
The current average yield is only about 78% (late rice) and 70% (single cropping rice) of their potential yields.
目前两种水稻的实际平均产量分别为模拟产量的78%和70%。
No-tillage seedling-throwing techniques of single cropping late rice in Xiushui county were reviewed in this paper.
简要介绍了江西省修水县一季晚稻的免耕抛秧技术要点。
The growth speed of ryegrass regeneration shoots in intercropping with Chinese milk vetch faster than in single cropping by more than 50%.
集约栽培条件下，黑麦草近距离间作紫云英，黑麦草刈割后再生速度极显著地快于单作黑麦草刈割后的再生速度。
Taking single cropping late rice Wuyujing 5 and 93 25 as contrast, the variety characters and the high yield population quality indexes were studied.
试验以单晚稻武育粳5号和9325为对照，研究武运粳7号的特征特性和高产群体质量指标。
When growing in mixture, ryegrass showed competitive advantages against clover, as dry weights of ryegrass from mixed cropping were relatively higher than those from single cropping.
两种植物混合种植情况下黑麦草显示了相对竞争优势，而菌根共生体能够提高三叶草的竞争能力。
Wheat root activity and nitrate reductase of green manure in intercropping increased 57.95% and 87.56% than that in single cropping, resp., with the differences at significant level.
间作系统中小麦根系活力和绿肥硝酸还原酶分别较单作增加了57.95%和87.56%，差异达显著水平。
Thus there should be studies for finding an optimal fertilizer schedule based on a cropping system including intercropping systems rather than for a single crop only.
因此，应该研究包括间作在内的种植制度而不仅为某种作物寻找合适的施肥方案。
We test the algorithm performance in the cases of single watermark, double watermarks and multi watermarks when different distortions such as JPEG compression, image resizing and cropping are applied.
该文就单水印，双水印以及多水印情形进行了仿真并进行JPEG压缩、图像缩放、剪切等失真测试。
A plot experiment was conducted to study the effects of Mg fertilization on Mg uptake and partition in single-cropping japonica rice with 'Ningjing 2' as the material.
以‘宁粳2号’为材料，采用田间小区试验方法研究了单季粳稻施用镁肥后对镁吸收分配的影响。
The results showed. 1. The average protein content for single-cropping and intercropping was 39.48% and 39.16% respectively. It presented no significant difference by t-value test;
试验结果表明：1。单作与间作蛋白质平均含量分别是39.48％和39.16％，通过t值显著性测定，单作与间作蛋白质含量差异不显著；
The results showed. 1. The average protein content for single-cropping and intercropping was 39.48% and 39.16% respectively. It presented no significant difference by t-value test;
试验结果表明：1。单作与间作蛋白质平均含量分别是39.48％和39.16％，通过t值显著性测定，单作与间作蛋白质含量差异不显著；
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