On the basis of the surrounding areas of Shennongjia in Hubei Province, the flue-cured tobacco quality and ecological conditions including climate and soil factors were analyzed.
以湖北神农架周边区域为基础,分析了该区烤烟质量状况和气候、土壤等生态因素,运用模糊数学隶属函数模型对该区的烟叶质量可用性、气候适生性、土壤肥力进行了综合评价,提出并估算了化学成分可用性指数(CCUI)、气候适生性指数(CFI)和土壤养分综合指数(IFI),对该区不同海拔条件下烤烟化学成分进行了分析,还研究了气候、土壤因素对烤烟化学成分含量的影响。
The impact of grazing on the activities of soil enzymes and soil environmental factors in alpine Kobresia pygmaea meadow;
放牧对小嵩草草甸土壤酶活性及土壤环境因素的影响
An Analysis of Soil Fertility Factors of 8 Kinds ofVegetation on the Tiantai Mountain;
天台山八种植被下土壤肥力因素的比较分析
Spatial Variability and Topographica Factors of the Main Fertility Factors in Hilly Tobacco Plantation Soils;
中山区植烟土壤主要肥力因子空间变异特征及地形因素研究
Soil and fertilizer factors affect the quality of the orange greatly.
土壤和施肥因素对柑桔品质影响较大。
Research on the Characteristics and Variation Factor of Soil Fertility in Tobacco-area in the Northwest of Hubei Province
鄂西北烟区土壤肥力特性及肥力因子变异分析
Studies on Dynamical Changes of Soil Enzyme Activities and Factors of Soil Fertility in the Plateau of Northwest for Heibei Province;
冀西北高原土壤酶活性及肥力因素动态变化研究
soil enriched with fertilizer
因施肥而肥沃的土壤
Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.
肥料能提高土壤的肥力,或补充土壤中被以前作物吸收的化学元素。
Effects of Transgenic Resistant-pest Cotton on Soil Fertility Quality;
转基因抗虫棉对土壤肥力质量的影响
Factors affecting potassium fixation in seven soils under 15-year long-term fertilization
长期施肥条件下土壤钾素固定影响因素分析
Studies on Soil Fertility Quality Evolvement and Phosphorus Form Transformation in Newly Cultivated Light Sierozem;
新垦淡灰钙土土壤肥力质量演变及土壤磷素形态转化的研究
The Effects of Phosphorus Application on Rice Yield Increasing Efficiency of Phosphorus and Soil Phosphorus Status in Different Type of Paddy soil of Phosphorus Deficiency
缺磷型稻田土壤施磷增产效应及土壤磷素肥力状况的研究
Effects of land uses and fertilization systems on soil enzyme activities and nutrients
不同土地利用和施肥方式对土壤酶活性及相关肥力因子的影响
In addition, a modified missing element study was conducted in screenhouse to obtain information on all possible soil fertility limiting factors in the soils.
另外，在网室进行了改良的减素研究以获得土壤肥力可能限制因素的资料。
THE SUPPLY OF SOIL POTASSIUM AND THE EFFECT OF POTASSIUM FERTILIZER ON CROP RESPONSE IN KIANGSU PROVINCE
江苏省土壤钾素的供应能力与钾肥施用问题
Studies on Variation of Phosphorus Fractions in Calcareous Soils with Different Fertilities;
不同肥力石灰性土壤磷素形态变化特征的研究
MACRO-,MESO-AND MICRO-NUTRIENTS IN SOILS OF CROPLAND AND VEGETABLE FIELD IN HEBEI
河北粮田和菜地土壤大、中、微量元素肥力研究
Study on Nitrogen Transformation of Various Fertilities Soil in Greenhouse
不同肥力水平大棚土壤氮素转化的研究
Effects of dry cultivation with straw mulching on soil nitrogen fertility in late-rice paddy field
覆草旱作对晚稻田土壤氮素肥力的影响