Tannin levels in leaves of some oak species at different stages of maturity. Journal of the Science of Food and Agriculture 54: 513-519.H. Paul, S. Makkar, R. K. Dawra and B. Singh. Tannin levels in leaves of some oak species at different stages of maturity, J. of the Science of...
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In the forest, there are many different kinds of trees. Some trees are tall and straight. Some are short and bushy. One of the most common trees in the forest is the oak tree. The oak tree has strong branches and big leaves. Another common tree is the pine tree. The pine tree is ...
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The leaves of trees feed animals. Giraffes and elephants eat leaves. The seeds from trees can feed animals too. Acorns (橡子) are seeds of oak trees (橡树). Squirrels (松鼠) like to eat acorns.Some animals live in trees. Many birds make nests in the branches (树枝). Some animals do...
Jumping oak galls can cause oak leaves to turn brown in the spring, and often this is the first symptom of them. Severe infestations may even cause leaves to curl up and turn black before falling off the tree. The problem often lasts a year or two, before natural predators control the ...
During the last decade, paralleling the introduction of unleaded fuel, an evident decrease of Pb levels in air and a general increasing trend of Pt has been observed. The aim of this study was to evaluate Pt levels in the leaves of holm-oak (Quercus ilex L.). It was used as biomonitor...
Two methods were suggested to analysis the differences of chemical components of five kinds of tobacco leaves under different aging conditions in one year. In this research,similarity math identifying models was established by using the TQ statistical software and the data of NIR diffuse reflection sp...
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Similar to our results, chlorophyll contents increased in leaves by nitrogen supply63 and P. liquidambari inoculation64. Chla and chlb content of leaf were higher in low doses of N-fertilizer and P. liquidambari treatment compared to other but no significant differences with high doses N-...