搜索结果: 1-6 共查到“土壤学其他学科 organic P”相关记录6条 . 查询时间(0.109 秒)
南京农业大学土壤学课件 Soil Organic Matter。
Short-term studies on use of organic amendments for amelioration of a sandy soil
Organic amendments sandy soil amelioration fodder crops
2010/9/10
The increase in world population has posed more pressure in existing arable lands. The nutrients poor sandy soils could be productive if their content of organic matter can be increased. Agricultural ...
The influence of organic mulches on soil properties and crop yield
organic mulch soil properties crop yield organic farming
2010/1/19
The aim of this investigation was to evaluate the effect of different mulches on soil
properties and crop yield.
All examined organic mulches significantly decreased soil temperature. Mulched plot...
The effect of different tillage systems under organic management on soil quality indicators
organic management different tillage systems soil quality indicators
2010/1/19
The effect of different tillage systems under organic management on soil quality indicators.
Minimizing the quantity of mineral nitrogen fertilizers on grapevine by using humic acid, organic and biofertilizers
Thompson seedless grapevine fertilization mineral organic biofertilizer humic acid
2010/11/11
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...
Water repellency of clay, sand and organic soils in Finland
Water repellency hydrophobicity infiltrometer ethanol clay soil sand soil organic soil boreal climate zone
2010/8/9
Water repellency (WR) delays soil wetting process, increases preferential flow and may give rise to surface runoff and consequent erosion. WR is commonly recognized in the soils of warm and temperate ...