土壤有效养分
available nutrient of soils
Soil available nutrients
Available nutrient of soil
soil available nutrient
Available nutrients
Available nutrients in soil
土壤有效养分系数
soil available nutrient coefficient
土壤养分分布
soil nutrient distribution
土壤养分分布图
soil nutrients distribution map
土壤养分分级
classification for soil nutrition
养分有效性
Nutrient availability
nutrients availability
nutrient) availability
Availability of nutrients
根际土壤养分
rhizosphere soil nutrients
耕层土壤养分调查
investigation of topsoil nutrients
氯候性土壤分类
Climatic classification of soils
土壤水分有效性
Validity of soil moisture
soil moisture availability
soil water availability
Soil water effectiveness
土壤养分
Soil nutrients
nutrient in soil
Nutrient of soil
Nutrients
nutrition of the soil
Soil nutritions
Soil fertility
soil nurient
soil nutrient
Soil nutrition
Soil nutrient contents
nutrients of soil
Nutrient content of soil
Soil nutrient content
nutrition of soil
Nutrient
Soil available nutrients
nutritions of soil
soil nutrient status
paddy soil nutrient
Tree soil nurient
soil nutrient condition
soil nourishment
soil nutrient dry highland
soil fertilities
soil microbes
Soil resources
edaphic nutrient
Soil nutrents
soil property
soil properties
soil nurthern
Land nutrition
soil nutrients system evaluation method
irrigated desert soil
soil mutrient status
nutriment of soil centent
statistical analysis
sugarbeet
pH value
soilnutrient
Fertilizer use efficiency
nanjing south suburb
Nutrition
enzymatic activity
Fertilizer
Classification
nitrogen utilization