农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 151-160 共查到农学 N-fertilization相关记录160条 . 查询时间(0.135 秒)
The effect of system mineral and organic-mineral fertilization on the humus content and humus fractions in mollic fl uvisols in condition of long-term fi eld experiment was studied. Forty years period...
With increasing concerns for health-improving foods, the demand for the flowers of Chrysanthemum boreale M. has become higher than ever. To fulfill the increasing demand for a high quality flower we i...
The National Long-Term Fertilization Trials were set up more than 30 years ago and in that time soil and water protection and environmental relations of fertilization had not been the direct aim of re...
A large part of the research carried out with strawberries (Fragaria ?ananassa) has been with the aim of gaining higher yields. At the same time postharvest losses are remarkable. Therefore the need f...
ß-Glucan is a beneficial chemical compound in the diet of humans by decreasing the levels of serum cholesterol and blood glucose. The ß-glucan contents of oat groats were studied in offici...
The aim of this study was to obtain mature ova or embryos at a single cell stage, which can be used in avian transgenesis and nuclear transfer through multiple ovulations, in vitro fertilization and c...
Experiments with various traffic regimes in grassland (no traffic, light and medium tractor with two mechanisation lines; forage harvester and two-step harvesting) and three fertilization levels (N 12...
The root uptake of 134 Cs by forage plants was studied as a function of growth stage and N fertilization with biotite supplementation.The study was conducted by means of pot experiments with peat soil...
The relationship of gonad weight and liver weight with body weight of six fish species viz; Catla catla, Labeo rohita, Cirrhina mrigala, Hypophthlamichthys molitrix, Ctenopharyngodon idella and Cyprin...
The split application of fertilizer nitrogen and adjusted irrigation were studied at Potato Research Institute in Lammi in 1993-1995. Independent of year, variety or irrigation, the split application ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...