soil block

用法例句

Pot experiment was conducted to study the effects of applying different types of fertilizers on soil nutrition during development of flue cured tobacco.

通过盆栽试验研究了烤烟单施化肥（ Ｉ） ，化肥＋ 芝麻饼肥（ Ｉ Ｉ） 和化肥＋ 腐植酸（ Ｉ Ｉ Ｉ） 对其生长过程中土壤营养状况的影响结果表明：各处理烟草在生长后期根区土壤ｐ Ｈ 值普遍下降，处理 Ｉ Ｉ和处理 Ｉ Ｉ Ｉ 能够加强这种下降趋势；烤烟对 Ｎ 肥的大量吸收期是在移栽后４０ ～６０ ｄ（ 旺长期） ，由于饼肥的缓效性，使得此期处理 Ｉ Ｉ Ｎ 素供应稍低于处理 Ｉ和处理 Ｉ Ｉ Ｉ，但这种差异随烟草的生长发育，到现蕾期已不明显现蕾到圆顶这段时间内，处理 Ｉ Ｉ和处理 Ｉ Ｉ Ｉ供 Ｎ 能力高于处理 Ｉ烤烟对 Ｐ 素的吸收主要在旺长期内，而施入腐植酸后则一直持续到圆顶期；各个处理对烟株生长过程中土壤速效 Ｋ 含量影响不大

Through field experiment of flue-cured tobacco in zhunyi country in Guizhou province in 2003， the effect of Bio-organic fertilizer on the soil nutrition, the growth and development of flue-cured, N,P and K nutrition, the accumulation of nicotine and yield and quality of flue-cured tobacco was studied .

通过2003年在贵州省遵义县烤烟田间试验，研究了生物有机肥对植烟土壤营养状况、烟株生长发育和氮磷钾营养，烟碱的积累以及烤后烟品质、产值的影响。

K, the content of organic matter contain in soil but also leaves nutritional elements (except for Ca) in these three levels(high middle .

本文对河套地区苹果梨生产基地的叶片与土壤营养进行三年连续性研究。

Impact of zokor on soil nutrients of alpine meadow in Tianzhu

鼢鼠破坏对天祝高寒草地土壤营养的影响

By synthetically analysis,the results of soil nutrient level and microorganism population of orchards were with high pH,low SOM and low total N,high P/K ratio,lack of available B,less quantity of soil microorganism in Beijing suburb.

不同树种果园土壤营养水平(Pi)顺序为苹果(0。

Nutrient Diagnosis and Fertmzation in Soils in Fuji Apple Orchards in Rainfed Land

旱地红富士果园土壤营养诊断和施肥

Elementary Study on the Root Soil Nutrient Characters of Apple-pear;

苹果梨根区土壤营养特性的初步研究

Study on Nutritional Diagnosis Technique of Soil in Sweet-cherry Orchards in Yantai;

烟台甜樱桃园土壤营养诊断技术研究

The effect of tea varieties and soil nutrition on the growth of tea cutting seedlings

茶树品种、土壤营养和扦插效果的关系

Studies on the Relations between Leaf Traits of Ficus tikoua and Soil Nutrimental Factors

土壤营养因子对地果叶部性状的影响

The Analysis of the Speciation of Soil Nutrient Elements in Different Land Uses;

不同土地利用下土壤营养元素形态的研究

Apply soil quality degradation index to calculation soil nutrition field in Songnen alkaline grassland

应用土壤质量退化指数计算松嫩盐碱草地土壤营养位

Rational soil fertilization could improve soil nutrition and leaves nutritious level.

本实验的施肥试验表明，合理的土壤施肥可以提高土壤营养和叶片营养水平。

Soil CH_4 Oxidation and Soil Methanotrophs and its Main Researching Techniques

土壤CH_4氧化与土壤甲烷营养菌及主要研究方法

Effects of long-term plant Medicago sativa Linn. on soil nitrogen nutrient.

长期种植苜蓿对土壤氮素营养的作用

Effects of Mg Application on Zn and Mg Nutrition of soil and maize in Saline Fluvo-aquic Soil of Hexi Oasis Area

绿洲盐化潮土施镁对土壤-玉米锌镁营养的影响

The nutrient may be intercepted by the roots as they grow through the soil.

当根系穿过土壤生长时，可以截获营养物质。

Effects of Soil and Nitrogen on Nitrogen Absorption, Distribution and Quality of Flue-cured Tobacco;

土壤与氮营养对烤烟氮吸收分配及品质影响

Study on Soil Nutrient Precision Management in Large-scale Farm;

规模经营条件下土壤养分精准管理研究

Mechanisms of Rice Plant Adaptation to Low Potassium in Soil;

水稻适应土壤低钾营养胁迫的机理研究

Study on Eutrophication of Wei River and Loss of Phosphorus from Soil to Water;

渭河水体富营养化与土壤磷素淋溶的研究

Tobacco-planted Soil Magnesium Nutrient and Effect of Magnesium Fertilization in Chongqing;

重庆市植烟区土壤镁素营养及施镁效应研究

Research on the Correlativity between Forage Grass Nutrition and Soil Characteristics in Degeneration Grassland;

退化草地牧草营养与土壤特性的相关关系研究