作物收获

结果表明，农田Cu的输出主要是作物收获，其输出量占总输出量的85.9%～95.1%，流失和淋溶输出很少。

The results showed that the main output of copper was crop harvesting , up to 85.9 % ~ 95.1 % of total output , and the output of copper by field runoff and soil leaching was low .

结果表明，施肥是钾素输入系统的主要途径，作物收获是钾素输出的主要途径，渗漏损失也是钾素输出的一个不可忽视的重要途径。

The results indicated that application and crop harvesting were major ways of K input and output , respectively , and percolation loss was a non-neglectful way of K output .

这种作物收获不太多。

This plant doesn 't crop very heavily .

该报告是美国农业部统计局（NASS）首次通过调查和目标评定对中耕作物收获前景所做的预测。

This crop report is USDA 's initial NASS look at row crop yield prospects through survey and objective measurement .

研究结果表明，钾肥利用率与作物收获后的土壤速效钾含量呈极显著的负相关，与土壤阳离子交换量（CEC）也呈显著的负相关。

The correlation of the recovery rate of K fertilizer to soil available K after harvest was negative and very significant , and so was to soil cation exchange capacity ( CEC ) .

在连续定位试验处理下，2010年作物收获后0～40cm土层不同秸秆覆盖量处理土壤养分含量有不同程度的增加。

Under the continuous and fixed position experiment , after crop collection in 2010 , soil nutrient content in 0 ~ 40 cm soil layer under different straw mulching amounts increased in different extent .

结果表明：传统施氮处理下填闲作物收获后，土壤中NO3-N残留量明显降低，下茬作物菠菜中硝酸盐含量和菠菜产量也随之降低。

The results showed that nitrate content in soil profile and nitrate content of spinach reduced ; and vegetable yield also decreased obviously after the introduction of nitrogen-catch crop under traditional applied N-fertilizer treatment .

施肥主要影响表层土壤中NO-3-N含量的变化；作物收获后土壤0￣80cm剖面中NO-3-N的储量随氮肥用量的提高而增加。

N fertilization mainly affected the change of soil nitrate content in surface layer ( 0 ~ 20 cm ), the nitrate storage in 0 ~ 80 cm increased with N application rate after crop collection at the end of rotation period .

重庆主要粮食作物收获机械化发展概况与对策

The Overview and Countermeasure to the Harvest Mechanization of Main Cereal Crops in Chongqing Area

我国作物收获技术研究应用的现状与前景展望

Current Situation and Prospect of the Researches and Application of Crop Harvest Technology in China

中粘壤土块根类作物收获机输送分离器的设计

Design of convey separator about the harvest machine for the middle glutinous soil tuber crops

播种时间最好是在前茬作物收获后雨后2～5天播种。

Best seedtime is 2-5 days after rain and after the harvest day of former crops .

不同施肥模式下作物收获物中微量元素含量及其分配研究

Effect of varying fertilization treatment on the content and distribution of trace elements in harvested crops

块茎或块根作物收获机

Harvester , tuber or root crop

胡麻类作物收获机具的研制

Developing on Flax Crops Harvester

这种佃农耕作土地，并与地主对作物收获分成。

The tenants , or sharecropper , worked the land and shared the crop with the landlord .

作物收获之前进行大范围作物生长状况评价，可以尽早的获得有关作物产量信息。

It is possible to evaluate the crop condition and yield status before the harvest for a large scale of area .

水解碳水化合物在三个土层中，作物收获后比播种前分别减少0.020%、0.003%和0.001%。

The content of hydrolysable carbohydrate after harvest is less 0.020 % , 0.003 % , 0.001 % than before sowing in the three layers .

从培肥土壤、维持土壤供磷水平和归还作物收获物带走的磷等3个方面对我国目前和2010年前后的磷肥需求情况进行了论述。

The present demand of phosphate fertilizer in China and in 2010 is presented in 3 aspects : soil nutrient increase , phosphorus maintenance and cropped phosphorus .

中国的农民常常实行“复种”，即在第一种作物收获之后在同样的大田中种植第二种粮食作物。

Farmers in China often practise'double-cropping ' , where a second crop of food is planted in the same field after the first crop has been harvested .

步进手扶圆锯片式割灌木机用于灌木平茬收割试验研究通过理论分析和田间试验，设计研制了一种适用于回收作物收获后的残膜回收机。

Experimental Study on the Application of Stepping Hand-held Circular Saw Type Brush Cutter in Shrub Harvesting A plastic film collector was invented with analysis of motional tracks and experiments .

研究表明作物收获以后仍能查到硫酸铜、除虫菊酯和鱼藤酮的存在，硫酸铜和鱼藤酮的含量水平超出了安全线。

Studies have shown that copper sulfate , pyrethrins , and rotenone all can be detected on plants after harvest-for copper sulfate and rotenone , those levels exceeded safe limits .

该系统实现了作物收获过程中的产量在线测量，并通过无线短消息方式将现场端与监控中心进行通信。

With the system , on-line measurement of yield during gathering in the crops is implemented , and the communication between field ends and monitoring center is achieved through wireless short messages .

对于给定的水稻品种，作物收获指数（由籽粒产量除以地上部分总干物重求得）可能随作物管理措施不同而变化。

For a given rice variety , the crop harvest index , which is calculated by the grain yield divided by total dry matter produced above ground , may vary with crop management practices used .

因此，通过作物收获物养分含量和比值及其产量分析，有可能为施肥是否满足作物对养分的均衡需求提供一个诊断标准，为下一季同一作物的施肥提供依据。

Thus the analyses of nutrient contents would be able to diagnose whether the fertilization was balanced or not and to recommend fertilizer application rates and ratios of N , P , and K for the next same crop .

中国作物的收获指数

Harvest index for various crops in China

木薯是淀粉作物，收获的产品主要是块根。热带多年草本科具有通常的根块茎含淀粉。

Cassava is a starch crop of which the product harvested is the root tubers . tropical perennial herbs with usually starchy rhizomes .

春荒是指朝鲜用完了上年的秋粮，然而夏收作物尚未收获的这段时间。

This is when North Korea runs out of the last bits of the previous year 's fall harvest but before summer crops can be harvested .

甘蔗是我国南方地区的一种主要经济作物，收获甘蔗是一项辛苦而又费时的高强度劳动。

Sugarcane is one of the economical crops in the south area of China . Harvesting sugarcane is a very painstaking , time consuming and high strength job .

另外，作物的收获乃农事之终也，自古要求准确把握收获期，并主张及时速获、适当早收。

Since ancient times , demands an accurate grasp of the harvest of Setaria italica Beauv . , and called for quick and timely given , the appropriate early closing .