nutrient cycle造句
例句與造句
- There is a great contrast between nutrient cycles in natural vegetation and the nutrients involved in growing an arable crop .
天然生長的植物與人工栽培的作物在營養(yǎng)循環(huán)方面有很大的差異。 - A study on nutrient cycling of pine stands in eastern part of china
中國東部主要松林營養(yǎng)元素循環(huán)的比較研究 - Nutrient cycling in the
葦田養(yǎng)分生物循環(huán)的研究 - Characteristics of nutrient cycling in mountainous grassland ecosystem of jian ' ou city
建甌市丘陵山地草地生態(tài)系統(tǒng)營養(yǎng)元素循環(huán)研究 - Effects of canopy interception on water and nutrient cycling in the chinese fir plantation ecosystem
林冠截留對杉木人工林生態(tài)系統(tǒng)物質(zhì)循環(huán)的影響 - It's difficult to find nutrient cycle in a sentence. 用nutrient cycle造句挺難的
- The relationship of soil nutrient cycling characteristics with productivity of terrace millet on hilly loess plateau
黃土丘陵區(qū)梯田谷子養(yǎng)分循環(huán)特征與生產(chǎn)力關(guān)系的研究 - China is the world ' s oldest surviving civilization , largely on account of early adoption of rice culture and good nutrient cycling
中國堪稱最古老的世界文明之國，在很大程度上應歸功于水稻生產(chǎn)以及良好的地力循環(huán)。 - Deregulation of agricultural input markets for pesticides , fertilizers , diesel fuel , and seeds resulted in high rates of agri - chemicals in irrigation water and low rates of organic nutrient cycling in this region
一度以種植業(yè)和棉花為主的政策已被市場經(jīng)濟所代替。農(nóng)藥化肥柴油和種子等農(nóng)業(yè)生產(chǎn)資料市場的變化，使生產(chǎn)者必須考慮經(jīng)濟效益最佳的生產(chǎn)和投入水平。 - We suggest that new technologies such as the c and n isotope technique for nutrient cycling and the image analysis approaches for soil micro - structure should be applied on earthworm ecological research in order to better understand the functions of earthworms
其他新技術(shù)如研究養(yǎng)分循環(huán)的碳氮同位素分析和揭示土壤微結(jié)構(gòu)的圖像分析等技術(shù)的應用是蚯蚓生態(tài)功能研究的迫切需要。 - The ecological functions of earthworm include : ( 1 ) effects on key soil ecosystem processes such as decomposition of soil organic matters and nutrient cycling ; ( 2 ) effects on soil chemical and physical properties ; and ( 3 ) interaction with plants , microorganisms and other animals
蚯蚓活動及其在生態(tài)系統(tǒng)中的功能受蚯蚓生態(tài)類群、種群大小、植被、母巖、氣候、時間尺度以及土地利用歷史的綜合控制。 - Farmland value reflects the economic returns from the various products and services available from that land . decision - makers make choices upon its economic value , ignoring its non - market value as groundwater recharge , nutrient cycling , reducing flood risk and preserving open space
農(nóng)地價值反映了農(nóng)地生產(chǎn)不同產(chǎn)品和提供不同勞務時所獲得的經(jīng)濟收益，目前，決策者主要是根據(jù)農(nóng)地市場價值進行決策，忽視農(nóng)地的非市場價值，如水資源涵養(yǎng)，營養(yǎng)均衡等。 - Based on investigation and analysis of the feed , excreta , soil and waters of surface and underground in the livestock farms in jiangsu province with case region survey and nutrient analysis approaches , the nutrient cycling and management and environmental effect in intensive livestock production were assessed
摘要運用案例區(qū)域調(diào)查法和養(yǎng)分物質(zhì)分析法，對江蘇牲畜養(yǎng)殖場飼料、牲畜排泄物、土壤、地表及地下水體養(yǎng)分狀況進行了調(diào)查、分析，對牲畜規(guī)模養(yǎng)殖中的養(yǎng)分循環(huán)與管理及其環(huán)境效應進行了評價。 - A dynamic model for dissolved inorganic nitrogen ( din ) and phosphate ( po4 - p ) cycles and budgets in jiaozhou bay was established according to the principles of d - n - p - z model . in the model , 6 state variables ( din , po4 - p , phytoplankton , zooplankton , organic detritus , and dissolved organic nutrients ) were included . logically this model was divided into three modules - nutrients input , nutrients cycle in seawater , and output of both dissolved substances ( e . g
本文根據(jù)n ? p ? z ? d模型的基本原理，建立了膠州灣氮、磷營養(yǎng)鹽循環(huán)收支動力學模型，主要包括營養(yǎng)鹽輸入，營養(yǎng)鹽生物、化學遷移和轉(zhuǎn)化內(nèi)循環(huán)，溶解態(tài)和顆粒態(tài)物質(zhì)水動力輸出3個邏輯模塊，涉及溶解無機氮( din ) 、磷酸鹽( po _ 4 - p ) 、浮游植物、浮游動物、有機碎屑和溶解有機態(tài)營養(yǎng)鹽6個狀態(tài)變量。