food plants & plant food research , selection and creation . since - sx test conducted in several provinces , resulting in yield , good quality , fewer pests , nice design . make doan ngo , deputy director of the institute said clt - ctp , klc is bred from seeds pollinated varieties ht mother . tree...
in itself an end-product, bitumen's primary use is as a constituent of products used in paving and roofing applications. approximately per cent of all the bitumen produced worldwide is used as the binder in asphalt for roads. it is also used in other paved areas such as airport runways, car parks and...