汉译英 汉译英,请将下面这段中文翻译成英文.

汉译英 汉译英,请将下面这段中文翻译成英文.
不同种植方式水稻氮素吸收利用特性的研究
摘要：本以早熟晚粳、迟熟中粳和中熟中粳水稻品种（含常规粳稻和杂交粳稻）为材料,采用不同种植方式对水稻氮素吸收利用的特征进行研究.结果表明,不同种植方式水稻氮素吸收利用有各自鲜明的特征,并受品种生育类型的影响.与手栽和机插相比,直播拔节期前氮素吸收能力较强,植株含氮率、吸氮量和氮素吸收速率高,但拔节以后吸氮能力逐渐减弱,植株含氮率、吸氮量和氮素吸收速率明显小,氮素吸收利用率和百千克籽粒需氮量也明显小；手栽和机插间植株含氮率和百千克籽粒需氮量差异一般不明显,但手栽拔节以后的阶段吸氮量、成熟期总吸氮量、抽穗后氮素吸收速率和氮素吸收利用率都明显高于机插.

Different planter way paddy rice nitrogen absorption use characteristic research abstract:This take the precocious late japonica rice,late is ripe the japonica rice and the ripe japonica rice paddy rice variety (including conventional Japonica rice and hybrid Japonica rice) as the material,selects the different planter method to conduct the research to the paddy rice nitrogen absorption use characteristic.The result indicated that plants the way paddy rice nitrogen absorption use to have respectively the distinct characteristic differently,and variety birth type influence.Plants with the hand with the machine planting compares,the direct seeding jointing nitrogen absorbancy is ahead of time strong,the adult plant azotic rate,attracts the nitrogen quantity and the nitrogen untake rate is high,but the jointing will later attract the nitrogen ability to be weaken gradually,the adult plant azotic rate,will attract the nitrogen quantity and the nitrogen untake rate is obviously small,the nitrogen absorption use factor and hundred kilograms grains will need the nitrogen quantity obviously to be also small; The hand plants with the machine planting the adult plant azotic rate and hundred kilograms grains needs the nitrogen quantity difference not to be generally obvious,but after the hand plants joints the later stage to attract the nitrogen quantity,the mature period always attract the nitrogen quantity,the earing,the nitrogen untake rate and the nitrogen absorption use factor obviously is higher than the machine planting.