您要查找的是不是:
- Applying OHA together with P optimized P distribution in soil and increased the ratio of available P in soil. 腐磷搭配能优化磷素在土壤中的分布,提高土壤空间有效磷的比率。
- Yet despite this build-up of available P, the wheat was still responding to small amounts of seed-placed P. 然而,尽管有效磷在不断增加,但小麦仍对低用量磷肥种肥有反应。
- The soil organic matter and total N stabilize basically, available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation. 玉米、稻连作土壤有机质和全氮基本稳定,有效磷呈上升趋势,碱解氮和速效钾下降趋势明显。
- Compared with CK, soil available P increased by 10-fold and 3-fold with the treatment of NPKM and NPK+straw, and 3-5 fold with NP, PK and NPK. 氮磷钾配施有机肥速效磷含量比不施肥增加10倍以上,而氮磷钾配施秸秆比对照增加3倍;
- However, when the available P was excessive in soil, the input of organic manure had to be quantified according to the input of P from organic manure. 有机肥施用于新菜田应考虑“以氮定量”的原则,而施用于土壤有效磷过量累积的老菜田,应采取“以磷定量”原则,来控制有机肥中的磷素投入;
- The results showed that organic matter (OM), total N and alkali-hydrolyzable N enriched apparently, but total P and available P did not enrich. 结果表明:土壤受侵蚀后,有机质、全氮和碱解氮流失的“富集”现象明显,而全磷和速效磷却无明显的“富集”现象。
- Available N deficit is highest while accumulated available P is lowest in Salsola nitraria Pall among the six halophytes. 6种植物中,钠猪毛菜根际土有效氮亏缺最高,有效磷富集也最少。
- The soil organic matter and total N stabilize basically,available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation. 玉米、水稻连作土壤有机质和全氮基本稳定,有效磷呈上升趋势,碱解氮和速效钾下降趋势明显。
- Available N and P have inverse dynamics in that while available N decreases, available P increases, except for Phragmites communis Trin. 根际土有效态养分的变化则与全态相反,6种植物的根际土有效氮含量均显著低于非根际土,除芦苇外,根际土有效磷含量均高于非根际土。
- The results showed that the contents of organic matter,total N, total P, total K and alkali-hydrolysable N, available P, available K, pH value were obviously high. 结果表明,番茄保护地土壤的有机质、全氮、全磷、全钾、碱解氮、速效磷、速效钾均处于较高的养分水平。
- Variation of soil organic phosphorus fractions, and relationship of organic P and its fractions, with soil organic matter and readily available P were studied with Bowman-Cole method. 采用Bowman和Cole提出的有机P分组方法,对长期施肥条件下土壤有机P的组成变化以及有机P及其组分与有机质、速效P的关系进行研究。
- The results of correlation and path analysis showed that available P significantly correlated to Ca 2-P, Fe-P, Al-P, LOP and MLOP, and there was a positive effect of Ca 2-P, Fe-P, Al-P, LOP, MROP and MLOP on the available P. 相关和通径分析表明 ,土壤有效磷与Fe P、Al P、LOP和MLOP之间呈显著正相关 ; Ca2 P、Fe P、Al P、LOP、MROP和MLOP对土壤有效磷均有一定的正效应。
- The enriching point of available P depended on soil types, being P2O5 60 ~ 120 mg/kg in the paddy soil derived from Tertiary red sandstone, and P2O5 120 ~ 180 mg/kg in the paddy soils from Quaternary red clay and loess-like lake sediment. 土壤速效P出现富集的转折点因供试土壤而异,第三纪红壤性水稻土大致为P2O560~120mg/kg,而第四纪红壤性水稻土和黄泥土为P2O5120~180mg/kg。
- Soil organic matter,available Ca,Mg,S,Fe,Mn,Cu and Si were abundant,while available N,Zn and B were deficient,and the deficiency rates were 62.5%,62.5% and 87.5% respectively. The CV(coefficient of variation) of soil available P and K changed greatly. 有机质、有效钙、镁、硫、铁、锰、铜以及硅的含量均较丰富; 碱解氮、有效锌、硼普遍缺乏;其缺乏数分别占总样本的62.;5%25、62
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- The available nutrients decreased in the growing season, available N was depleted and available P, K were enriched in rhizosphere, which decreased gradually with the phonological progress. 生长季内速效性养分整体呈下降趋势,根际碱解氮亏缺明显,而根际速效磷、速效钾相对富集,这种作用亦随生育期推进逐渐减弱。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车,但是拉不动。
- The soil nutrient of Karamay was analyzed with 7 indexes of organic matter,total nitrogen,total phosphorus,total potassium,hydroly N,available P and available K as evaluation indexes. 分析测试了克拉玛依中心城区不同类型园林绿地23个样地的土壤养分状况,分析克拉玛依区绿地土壤有机质、全氮、全磷、全钾、有效氮、有效磷和速效钾的含量及分布异质性。
- The contents of soil alkalized-N and available P are also increased with the fertilizer application, which are useful for the nutrients’ uptake, root growth and biomass accumulation. 施用氮、磷肥能够增加土壤碱解氮、速效磷的浓度,有利于玉米根系对氮磷营养的吸收;
- Nothing could avail the dying patient. 没有任何东西能挽救那个濒死者
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries