搜索结果: 1-6 共查到“农学总论 weed”相关记录6条 . 查询时间(0.187 秒)
Effects of the inhibition of weed communities by winter-flooding
Winter-Flooded Paddy Field Life Type Harmful Weeds
2013/3/5
Winter-flooded paddy field is an agricultural method which putting a water among the winter, it is paid attention as an environmental friendly agriculture. Especially, it is said, winter-flooding is c...
Weed/corn seedling recognition by support vector machine using texture features
Corn seedling weeds texture support vector machine recognize
2010/9/10
This study investigated the effect of a new approach, the support vector machine, as a classifier tool to identify the weeds in corn fields at early growth stage. Image segmentation was done by transf...
EFFECT OF PERIOD OF CULTIVATION ON THE ABUNDANCE AND DISTRIBUTION OF WEED SEEDS IN THE SOIL PROFILE
weed soil greenhouse germination
2010/3/26
An experiment was laid down in the greenhouse to determine the distribution of weed seeds at
different soil depths and period of cultivation on the distribution of weed seed bank in the soil profile ...
WEED MANAGEMENT UNDER DIFFERENT PATTERNS OF SUNFLOWER-SOYBEAN INTERCROPPING
weed intercropping sunflower
2010/12/8
Two field experiments were conducted at the Experimental Farm of the National Research Centre at Shalakan, Kalubia Governorate, Egypt during the 2005 and 2006 seasons to study the effect of three weed...
Efficient soil solarization for weed control in the rain-fed upland rice ecosystem
solarization LDPE film rice weed control herbicide
2008/12/2
Weed competition causes significant damage (up to 90%) to crop yields. Weed control through chemical means in the form of herbicide is commonly used to kill weeds or inhibit their growth throughout t...
COMPARATIVE UPTAKE AND PHYTOEXTRACTION STUDY OF SOIL INDUCED CHROMIUM BY ACCUMULATOR AND HIGH BIOMASS WEED SPECIES
phytoremediation weeds bioconcentration factor transportation index
2010/3/24
Plant species have been recently used for heavy metal accumulation and most of the studies
have been done on hyperaccumulator tolerant species. Metal hyperaccumulator plants though useful to phytoext...