养分的例句大全

On the Characteristic Parameters of Nutrient Cycling in Forest Ecosystem

森林生态系统养分循环特征参数研究

However, in recent year, the production has to face the strong challenge from over-application of chemical fertilizers, diminishing crop return and low nutrient use efficiency.

但是，我国粮食生产正面临着化肥施用过量、增肥不增产、养分利用率低等问题。

Change and difference of soil nutrients for various regions in China

我国不同地区土壤养分的差异及变化趋势

Our supply column arrived yesterday.

我们的给养分队昨天到达了.

Study on influence of nutrient management of Poa pratensis in a golf course lane in Beijing

养分管理对北京地区常见高尔夫球场球道用午夜早熟禾生长影响的研究

Characteristic of Growth and Nutrient Uptake of Poa pratensis Lawn in Beijing Area

北京地区草地早熟禾的生长特性与养分吸收规律

Effects of Different Levels of Xylanase and DDGS on the Performance and Nutrient Utilization of Broilers

木聚糖酶添加量与DDGS配比对肉鸡生产性能和养分利用的影响

Studies on Microbiota and Its Nutrient Properties of Rhizosphere Soil of Black Pine Forest

黑松林根际土壤微生物区系及其养分研究

Integrated evaluation of soil nutrients in modern agricultural demonstration garden of Dongyang county.

东阳万亩园区土壤养分综合评价研究。

The Soil Nutrients Levels and Annual Dynamic Changes of Laoshan Tea Gardens

崂山茶园土壤养分水平与年变化动态研究

A substrate-vegetation system is the primary functional component of eco-engineering for rock slope protection ( EERSP ).

基质 -- 植被系统是岩石边坡植被 护坡 工程的主要功能构件,其养分循环状况决定了系统的稳定发展.

The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content.

土壤的主要特性有质地 、 酸度 、 养分含量 、 气体含量和含水量.

Pigs, cattle, horses, sheep manure nutrient content and nature?

猪 、 牛 、 马 、 羊粪的养分含量及性质 如何 ?

N, P, K uptake and utilization of rice and kinetics of soil available N, P, K under different low K stress conditions embedded in a long term site specific fertilizer K experiment ( 1998-).

在长期定位钾肥试验的基础上，不同钾胁迫条件下，水稻对氮、磷和钾的吸收和利用效率以及土壤有效氮、磷、钾养分的动态变化（2002，晚稻）。

Study on the Dry Matter Accumulation and Nutrient Uptake of Chinese Onion

高产条件下大葱干物质积累和养分吸收规律的研究

Paper here deals with the conditions, mechanism, effects and profits of the yield increases of herbages and the influences concerning main mineral nutrients by aerial spraying of urea and zinc sulfate solutions.

本文研究了飞机喷洒尿素、硫酸锌对牧草增产的有效条件、增产机理、增产效果、经济效益，以及喷洒肥液对主要矿质养分的影响问题。

Effects of the Undecomposed Organic Materials on the Organic Matter and Available Nutrients in Solid Phase of the Paddy Soils

非腐解有机物培肥对水田土壤固相有效态养分含量的影响

Soil chemical fertility in cultivated-land and garden systems increased with land reclamation and soil maturation process, the content of soil nutrient and exchangeable Ca and Mg raised, but exchangeable Al dropped.

垦殖利用后，其化学肥力随着耕垦熟化过程不断提高，表现为土壤中各种速效养分及交换性Ca、Mg含量均增加，而交换性Al含量降低。

P fertilization increased P accumulation in understorey and litter, but N and K.

施P肥同时还明显增加了林下植被和林下凋落物P的积累量，但不能明显增加N和K的养分积累量。

Effects of phytase added in corn-soybean meal diet on coefficient of digestibility and utilization of dietary nutrients for growing pigs

添加植酸酶对生长猪玉米豆粕型饲粮养分消化利用率的影响