全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
植物学报  2000 

Progress in Studies on Nutrition and Fertilization of Non-Pollution Vegetables
无公害蔬菜营养与施肥研究进展

Keywords:
无公害蔬菜
,评价标准,营养诊断,平衡施肥

Full-Text   Cite this paper   Add to My Lib

Abstract:

Definition of non_pollution vegetables and valuation standard of hygiene and environment production were discussed in this paper. It was also discussed that includes the change of nitrogen fertilizer in soil, types and forms of nitrogen fertilizer, quantities and period of nitrogen application related to nitrate, over-nitrogens effected on the health of humanbeing and the quality of the ground-water; over_phosphorus caused running off which leaded to the rich nutritionlization of water body, Cd in P fertilizer effected on soil ecological environment;and manure,city refuse and sludge effected on the quality of vegetable and environment of the production. The methods of the crops nutrient balance, fertilizer effect function,NPK proportion, soil testing index, appearance and testing index diagnosis of plant nutrient, DRIS,and plant nitrate test strip applied to the reaserches on non_pollution vegetables production under the condition of soil cultivation in the recent 20 years were brifly reviewed.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133