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: 1-12 共查到农学 Humic acid相关记录12条 . 查询时间(0.096 秒)
Thirty-six selected male chickens were allocated into four groups C, HA, ZN, ZN + HA, and the experiment was initiated after 4 days of an adaptation period. Group C was fed a complete feed mixture wit...
Forty female chickens were allocated to four groups of ten birds each. The control group (K) was fed a basal diet without supplementation. The second control group received a basal diet with humic aci...
Forty randomly selected chickens were allocated into four groups: K, HA, Cd and Cd + HA. After a 5-day adaptation period, the experiment was initiated. Group K was fed a diet without supplements. Grou...
A study was under taken to investigate the effect of dietary supplementations of humic acid and esterified glucomannan) on broiler performance and the morphological measurements of small intestine. Tw...
Two field experiments were carried out in the experimental station of the National Research Centre at EL-Nubaria, EL-Behira Governorate, Northern Egypt, to study the effect of 12 treatments, which we...
Potato crop (Solanum tuberosum L.) is one of the most important vegetable crops in Egypt. Integrated treatments between humic acid at concentrations 6.0 or 8.0 ml / l followed by sulfur at 3.0 or 4.0...
The effect of soil drenching with humic acid and commercial biofertilizers i.e., phosphorien , microbien and/or cearalien were evaluated for controlling dry root rot disease of mandarin ,fruit qualit...
The aim of this study is to investigate the effects of different humic acid and phosphorus levels on corn plant ( Zea mays L.) growth and P availability in a calcareous soil. Four levels of P (0, 20,...
The influence of the coverage of the kaolin surface with humic acid on its structural properties has been investigated. Humic acid (HA) was extracted with water from Ah horizon of an acid forest soil....
In this paper the physicochemical and spectroscopic properties of humic acid (HA) obtained from composted walnut shell of Juglans regia are described. The influence of oxygen on UV-induced photodegrad...
The aim of this study is to evaluate the minimizing of mineral nitrogen fertilization through using humic acid (HA) and organic source [composted municipal solid waste (MSW)] with or without bioferti...
The aim of this investigation is to evaluate the replacement of mineral nitrogen fertilization through using organic source [composted municipal solid waste (MSW)] and humic acid (HA) at 0.5, 1 and 2%...

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...