养分循环,Nutrient cycling
1)Nutrient cycling养分循环
1.Roles of plant in nutrient cycling in wetland;植物在湿地养分循环中的作用
2.Comparison on nutrient cycling in different generation plantations of Chinese fir;不同栽植代数杉木林养分循环的比较研究
3.Comparison of biomass dynamic and nutrient cycling between Pinus massomiana plantation and Pinus elliottii plantation;马尾松与湿地松人工林生物量动态及养分循环特征
英文短句/例句

1.STUDY ON NUTRIENT CYCLING OF PAULOWNIA PLANTATION ECOSYSTEM泡桐人工林生态系统养分循环的研究
2.Study on Nutrient Cycle of Ecosystem in Rubber Plantation--Nitrogen Cycle in Clone PR107橡胶人工林生态系统养分循环研究——无性系PR107氮素体循环
3.Nitrogen Cycling and Balance in "Agriculture-Livestock-Nutrition-Environment" System of China;我国“农田—畜牧—营养—环境”体系氮素养分循环与平衡
4.NUTRIENT CYCLING, BALANCE AND REGULATION IN RED SOIL AGROECOSYSTEM红壤农业生态系统养分循环、平衡和调控研究
5.Study on the Material Flow of Paulownia Forest Ⅲ Nutrient Cycling of Paulownia Forest泡桐林物质流研究(Ⅲ)泡桐林的养分循环
6.Nutritional Cycling and Transformation Processes of Carbon and Nitrogen in Rice Cropping System of Red Soil Region of China;红壤稻田系统养分循环与C、N转化过程
7.Changes of Carbon Reserve, Energy and Nutrient Cycle of Extreme Degraded Ecosystem in the Process of Ecological Restoration;生态恢复过程中碳贮存、能量及养分循环的变化
8.Comparative Studies of Nutrient Cycling Features in Forest Ecosystems;森林生态系统中养分循环特征的比较研究
9.Study of the Nutrient Cycling of Typical Vegetation Community in Hilly Region of Taihang Mountain;太行山低山丘陵区典型植物群落养分循环研究
10.Study on the Balanced Fertilization and Nutrient Recycle of Maize in Heilongjiang Province黑龙江省玉米平衡施肥及养分循环试验研究
11.At present, all nutrient elements are gradually enriched in the nutrient cycle of Fargesia denudata ecosystem.(3)目前,缺苞箭竹生态系统养分循环中,各种营养元素都在逐渐富集。
12.Effects of Fertilization Systems and Nutrient Recycling on Microbial Biomass C,N and P in a Reddish Paddy Soil施肥制度与养分循环对稻田土壤微生物生物量碳氮磷的影响
13.Biomass Production, Nutrien Cycling and Energy Flow of a Silvopastoral System;果草牧复合系统物质生产、养分循环与能量流动研究
14.Study on Ecosystem and Nutrient Circulation of the Artificial Community in Karst Rocky Desertification Areas of Guizhou;贵州喀斯特石漠化地区人工群落生态系统及其养分循环研究
15.Nutrient Cycling and Balance of Agri-Livestock Combining System in the Yanmenguan Ecological Animal Economic Area;雁门关生态畜牧经济区农牧结合系统养分循环及平衡
16.batch recycle culture分批再循环培养(物)
17.Research on Nutrient Flow and Cycle Model in China Nutrition System;中国营养体系养分流动循环(CNFC)模型研究
18.The Internal Cycling of Nutrients in Fine Roots of Fraxinus Mandshurica and Larix Gemeilinii;水曲柳和落叶松细根养分内循环的研究
相关短句/例句

Nutrient cycle养分循环
1.The nutrient cycle in three types of standing density of planeseeding Pinus massoniana of Hunan Province was studied in this paper. 对湖南省3种不同密度类型的马尾松飞播林分的养分循环进行了研究。
2.A comparative study on effects of various cultivation system on nutrient cycle of purple soil was conducted according to long term experiments.用定位试验结果,比较聚土免耕、早三熟、平作等耕作制对紫色土氮磷钾养分循环结构和强度的影响。
3)internal cycling of nutrients养分内循环
1.The internal cycling of nutrients in fine roots of trees plays an important role in energy transformation and material circulation of forest ecosystem.树木体内养分内循环在森林生态系统的能量流动和物质循环中起着重要的作用。
4)nutrient recycle and distribution养分循环与分配
5)Use of recycled nutrients养分循环再利用
6)nutrient cycling and utilization养分循环利用
1.Nutrient cycling and utilization in a forage cultivation-cattle raising-biogas fermentation ecosystem in red soil regions;红壤地区草-牛-沼生态系统中养分循环利用的研究
延伸阅读

农田生态系统养分循环农田生态系统养分循环sulfur cycling in agricultural land 气态祖失大气沉阵!【l化学记料生物固氮土城物提供N15~22.5千克/公顷。此外,水稻土中的蓝雄也有一定的固氮能力,固氮t在22.5~30千克/公顷.稻田放养绿萍,也是氮家来像之一。 雨水带入土坡的养分,主要是氮和硫,而碑、钾含量一般很低(表1).数据表明.由雨水带入农地的氮大约是15~22.5千克/(公顷·年),硫为15~30千克/(公顷·年).琳失表1中国南方降雨中的养分含贡[kg/(hmZ·yaer)〕 地区年降雨t(mm) N P K S浙江金华有机尼料1 321~1 66311闽北IlJ区551~1 647作物 肉t劝物(次级梢费者) 草食动物(初级消费者) 18~241 .2~2.250 .6~0。913。5~27。03.75~10.5.015~0.04 2.1~4.819.5~28.5 云南内陆947~1 0754 .5~13.5 0。033 .75~4.50l乓0~22.5农田生态系统域工掀 农田生态系统中的养分循环期.并如此周而复始地不断进行下去. 农田生态系统的养分循环与天然存在的生态系统的养分循环的不同之点在于前者产品有相当大的部分为人类(包括动物)消费,而天然生态系统的生物产品绝大部分都回归土城。所以,农田生态系统每经过一次循环周期,必然有相当数t的养分脱离系统而报失。 农田土峨养分平衡基本类型有3种类型,即养分盈余型、养分亏缺型和养分平衡型. 养分盈余型的特点是,土城养分有所积象.在大多数情况下,表现为土城养分供应能力的提高,养分亏缺型的特点是,土城养分不断被作物消耗,如不采取相应措施,最终将导致土族养分的耗场;养分平衡型的特点是,土城养分含t荃本不变.但旅肥引入的养分,其有效性较商,因而有效养分可能有所常加. 土城养分是否平衡,主要取决于土集养分的获得和土城养分的支出状况. 土味养今的收入主要有施入的肥料,包括有机肥料和化学肥料,生物固氮,即豆科作物和某些徽生物固定的扳素,以及由降水等干湿沉降物带入土城的养分。 土城养分最主要的收入是肥料.其中有机肥料中的养分属于养分再循环。
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