The main sources of nutrients are untreated sewage and the runoff and leakage of fertilizers from agricultural land. The natural conditions in Poland are poorer than in Western Europe due to the prevalence of light soils and a short growing period with frequent droughts. After correcting the ...
A fire renews the watershed (集水区) in ways including, but not limited to, recycling of nutrients, increasing food sources for fish in streams,supplement to stream。side vegetation,spread of fire.adapted plants,etc。not to mention renewal of the soil chemistry which is vital to the forest and...
Vegetables and fruit provide a significant part of human nutrition, as they are important sources of nutrients, dietary fibre, and phytochemicals. However,... - 《European Journal of Nutrition》 被引量: 1163发表: 2012年 Intake of flavonoids and risk of dementia It has been postulated that oxida...
are the main sources of soil fertility. These organic materials provide food to earthworms, beneficial bacteria and micro-organisms in the soil. All these creatures, seen and unseen, break soil down into compounds and nutrients in the decay of this 增加有机物,通常通过天然肥料和堆肥肥料,是土壤的...
Feeding experiments revealed no hints on any use of external food sources by the inhabiting Pseudomyrmex ants. These ants obviously rely completely on FBs and extrafloral nectar provided by their hosts. The total content of nutrients in Acacia FBs was 15-25% of FB dry mass, being much lower ...
Colored rice grains contain rich nutrients. To investigate the differences in nutrient composition among different colored rice varieties, LC-MS non-targeted lipidomics and targeted amino acid profiling were used to study the lipid and amino acid composition in four colored rice grains. The study ana...
It mentions that most of the main dishes have no fibers due to the meat content. However, fibers can be obtained if vegetables, fruits, and grains are mixed with various meat. Meanwhile, meats are the best source of important nutrients like protein and essential fatty acids. Furthermore, it...
Red meat is an excellent source of heme iron, while the less bioavailable nonheme form is found in large amounts in milk products and vegetables. For this reason, consumers of meat have a better iron status than vegetarians and vegans. Heme iron found in muscle protein should be supplied ...
二 阅读理解(20分每题2.5分)A Livestock farming is one of the main contributors to greenhouse gas emissions, the primary cause of global warming. Cellular (胞的) agriculture, where food or nutrients are grown from cell cultures, is increasingly seen as a green alternative to animal agriculture....
5. This phenomenon is evident in many places in Sub-Saharan Africa in general and in East-Africa in particular6. Soil particles are eroded and transported to downhill areas. The loss of topsoil reduces not only the arable soil depth, but also the content of soil organic matter, nutrients,...