continuous cropping造句
例句与造句
- Chemical control of continuous cropping disease on gladiolus hybrid
唐菖蒲重茬病害的化学防治试验 - Continuous cropping obstacle and rhizospheric microecology . root exudates and phenolic acids
根系分泌物与酚酸物质 - Simulation of autotoxicity of strawberry root exudates under continuous cropping
连作草莓根系分泌物自毒作用的模拟研究 - Effects of long - term crop rotation and continuous cropping on nitrogen in albic soil
长期轮作和连作对白浆土中氮素的影响 - Causes and control measures for continuous cropping obstacles in protected vegetable cultivation
设施蔬菜连作障碍原因及防治措施 - It's difficult to find continuous cropping in a sentence. 用continuous cropping造句挺难的
- Effect analysis of root growth promoting agent on continuous cropping and alternate cropping soybean
重迎茬大豆施用促根剂效果分析 - Potatoes have been planted for many years in the town , so there exists serious continuous cropping
该乡种植马铃薯马铃薯已经有多年的历史了，重茬现象比较严重。 - The decline in yields in the period from 1870 to 1900 was due to the rapid decline in fertility under continuous cropping
休闲、开发更肥沃的地区及使用新品种又使产量增加。 - The study also discovered that both the present fertilization system based on inorganic n and inorganic p and the present system of continuous cropping of corn had greats effect on balance of soil nutrients
研究还发现，现行的以无机氮磷肥为主的施肥制度和玉米连作种植制度对土壤养分平衡有很大影响。 - Abstract : by means of pot , field minispot experiments and analysis indoor , the effects of soybean specific fertilizer on soil enzymes activity and available nutrients were investigated in rotation , soybean continuous cropping system , respectively
文摘:采用盆栽、田间小区控制试验及室内分析相结合的方法，研究了施用大豆专用肥对连作、轮作大豆土壤酶活性和有效养分的影响。 - According to the experts , the frequent and serious pest occurrence was caused by years of continuous cropping . sam thought that the farmers only needed to plant potatoes on half of the present land area and plant other crops on the remaining half to get as many yields as they used to
专家们认为病害严重发生的主要原因是连年重茬所致， sam先生认为当地农民只要种现在一半面积的马铃薯，另外一半进行轮作种植其他作物，就能达到现在面积的产量，而且还有其他作物的收成。 - The results showed the soil enzymes activity and available nutrients in soybean continuous cropping could approach or higher than those of conventional fertilizeration after applying soybean specific fertilizer , which indicated soybean specific fertilizer could modulate the deteriorating soil enzymes and nutrients ecological surrondings , therefore it could overcome the soybean drop in production caused by continuous cropping
结果显示施用大豆专用肥后，土壤酶活性和有效养分总体均能达到或高于轮作土壤常规施肥水平，这表明大豆专用肥能调控大豆连作所引起的土壤酶活性和养分恶化，最终使得大豆专用肥能克服大豆连作所引起的大幅度减产。