1.
Dynamic Changes of Soil Enzyme Activities and Nutrients in Cherry Rhizosphere
樱桃根际土壤酶活性与土壤养分动态变化及其关系研究
2.
Study on the dynamic variation of the soil nutrients and soil physical character istics of the film-bottomed sandy farmland
衬膜沙地农田土壤养分动态和物理性状的研究
3.
Dynamics of Soil Nutrients during Natural Recovery Process of Abandoned Farmland in Huailai Basin,Hebei Province.
怀来盆地弃耕地自然恢复过程中土壤养分动态
4.
Studies on Dynamic Patterns of Soil Nutrients of Chinese Fir Plantation;
杉木人工林土壤养分动态变化规律研究
5.
The Study on Seedling-stage Growth, Dynamic Changes of Soil Nutrients of Introduced Fast-growing Poplar Breeds;
速生杨引种苗期生长与土壤养分动态研究
6.
Dynamic Evolvement and Adjustment of Soil Nutrients in Rudong County;
如东县土壤养分动态演变及调控对策研究
7.
Dynamic changes of soil nutrient content of artificial oasis in Ulan Buh Desert
乌兰布和沙区人工绿洲土壤养分动态研究
8.
Dynamic Study on Soil Nutrients of Maize-rice Cropping System in Shaoyang
邵阳市玉米稻种植制度的土壤养分动态研究
9.
Dynamic change of soil nutrient in free tillage spring wheat-grass intercropping land
免耕春小麦套种牧草土壤养分动态研究
10.
Root Decomposition and Nutrient Dynamics on Rhizosphere Soil in Complex Ecosystem of Alnus Formosana-Lolium Multiflorum Lam;
台湾桤木与黑麦草复合模式根系分解及根际土壤养分动态研究
11.
Studies on Dynamics of Soil Nutrition in Two Reforested Patterns from Farmland in Sichuan Tianquan;
四川省天全县两种退耕还林模式土壤养分动态研究
12.
Studies on Quantity Dynamics of Soil Microorganism and the Relation with Soil Nutrients of Alpine Meadow in the Headwater Area of Yellow River;
黄河源区高寒草地土壤微生物数量动态及其与土壤养分关系研究
13.
The effect of grazing on soil micro-organism and soil nutrients and their seasonal dynamics in Stipa breviflora Steppe
放牧对短花针茅草原土壤微生物和土壤养分的影响及其季节动态
14.
Analysis of Nutrients Situation and Its Dynamic Variation in Tobacco Field Soil of Sanmenxia City
三门峡市烟田土壤养分现状及动态变化分析
15.
Changes of Nutrient Contents in Tobacco-Growing Soils of Kunming from 2002 to 2006
昆明市植烟土壤2002—2006年养分状况变化动态分析
16.
THE SEASONAL VARIATION IN NUTRIENT CONTENTS OF SOIL AND TREE LEAVES OF MANCHURIAN ASH-DAHURIAN LARCH MIXED PLANTATION
水曲柳落叶松混交林土壤和叶的养分季节动态
17.
Dynamics of Nutrient Source-Sink between Sublepine Bamboo Communities and Soil in Western Sichuan;
川西亚高山箭竹群落—土壤养分源库动态研究
18.
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