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- CPD of old world bluestem, cepitose cleistogenes at blooming stage were higher than that in heading stage, but lower in jointing stage. 白羊草与隐子草在开花期的蛋白质降解率(CPD)高于抽穗期,但低于拔节期。
- Moreover, milking wheat should be irrigated since the weather is very drought and short of rainfall from maize interplanting to jointing stage. 另外,灌浆小麦应当灌水,因为玉米套种至拔节期气候干燥少雨。
- The other 50% and 10% of N will be dressed in peak jointing stage and milking stage along with irrigation. 50%25的氮在拔节高峰期、10%25的氮在灌浆期随水追施。
- The same tendency was also observed at the over-wintering stage,jointing stage and filling stage of wheat development. 小麦越冬期、拔节期、灌浆期表现出同样的趋势。
- When the first spring irrigation was postponed to jointing stage, the contribution of SWC to TWC was increased to 50%. 春季第一水推迟至拔节期可提高土壤水消耗量占总耗水量比例至50%25,土壤水利用率增加;
- At jointing stage, 14C-photosynthate produced in main stem was mostly used by stem and sheath of itself. 拔节期主茎的光合产物主要用于自身茎鞘的生长;
- Analyze the yield inscape we may know, water at jointing stage can increase spick numbers and No. grain per ear. 各生育阶段耗水量变化与水分供应量有关,阶段灌水量大则耗水量高。
- Water recovery during the jointing stage to booting stage could promote R/S, but increasing degree related to the duration of water limitation. 拔节期至孕穗期复水对根的促进作用大于冠,干物质向根分配的比例增加,R/S提高,但提高的程度与复水前水分胁迫的历时有关。
- The roots was little effect to drought during tillering stage .but it was sensitive between the jointing stage and the flowering stage. 分蘖期干旱对根系生长发育影响较小,拔节后直至抽穗开花期根系对水分胁迫反应最为敏感;
- Before the wheat jointing stage,the concentration of DOM in rhizosphere soil was consistent with that in the bulk soil,and increased drastically after that period. 在小麦拔节期之前;各处理根际DOM含量的动态变化趋势和与之对应的非根际DOM变化趋势基本一致;没有显著差异.
- The result that the date of one cutting must be earlier than later heading stage, and the first date of two cuttings cannot be later than jointing stage. 结果表明,一次利用时,刈割时间不能超过抽穗后期。两次利用时,头茬刈割时间不能超过拔节期,二茬应在抽穗后期刈割。
- It is the safest herbicide for the control of grass weeds in rice field and it will not be phytotoxic to rice in all cultivation forms from seedling to jointing stage. 是对水稻安全性最高的禾本科除草剂。各种栽培方式的水稻由苗期到拔节期使用都不会产生药害。
- In order to overcome above problems,we used GreenSeeker to decide the amount of nitrogen application in wheats at jointing stage based on spectrum of chlorophyl. 试验结果表明,该技术不仅可以减少氮肥施用量,而且可以明显增加小麦籽粒产量和氮肥利用率,提高小麦生产的经济效益。
- Dressing N fertilizer in flagging stage was most favorable for the accumulation of grain protein and its components,glutenin macropolymer,followed by that in jointing stage. 以挑旗期追氮对籽粒蛋白质及其各组分以及谷蛋白大聚合体的积累最有利,其次是拔节期追施氮肥。
- Wheat fertilization mainly in basal, all organic manure, P and K and half of N fertilizers are applied at plowing, the rest N fertilizer dressed in jointing stage along with irrigation. 小麦施肥主要为基肥,全部有机肥、磷、钾和一半氮肥翻地时施入,其余氮肥在拔节期随灌水追施。
- Compared with flagging stage,dressing N fertilizer in jointing stage greatly affected the accumulation of glutelin and the content of glutenin macropolymer was significantly decreased. 与挑旗期相比,拔节期追氮使谷蛋白的积累受到较大影响,谷蛋白大聚合体含量显著降低;
- With regards to high ratio of spikes to tillers and low ear weight in small-spike cultivars, nitrogen application at jointing stage increased grain number by decreasing aborted florets or ovaries. 针对多穗型品种在高产奈件下分蘖成稳率高、穗粗重较低的特点,采取在拔节期追氮的措施能有效减少小花、子房退化,达到穗粒数增加、粒重提高的效果;
- Great absorption and accumulation of N of RCUS happened mostly after jointing stage, while the rice crop in waterlogged soil absorbed N in large amounts from transplanting stage to filing stage. 水稻各部位的含氮量均大于水作。旱作水稻的氮素吸收、累积主要在拔节期以后,而水作水稻从移栽后就大量吸收氮素,灌浆期后很少吸收氮素;
- The delays put the whole schedule out of joint. 一再的拖延打乱了全部安排。
- Fertilizer topdressing at jointing stage 拔节期追肥