organic gardening

The pH of the soil is very important for a proper crop yield. Salts such as carbonates, bicarbonates, phosphates, and organic acids render the soils acidic or basic. Farmers and gardeners need to know how acidic or basic the soil is so that they know which plants to grow. The ..

Components of the Ecosystem - The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by var..

__________ 8. Name of the person who collected __________ Any suitable insecticide like mercuric chloride can be sprayed on the herbarium sheet to protect it from being damaged by insects. There are some fleshy plants, which often change some of their morphological features after drying and pressin..

The genetic material that controls a characteristics or a trait is a nucleoprotein called chromatin. The chromatin material just before cell division forms into chromosomes. Each chromosome is made up of two longitudinal strands called the chromatids. The chromosomes are present in pairs. The pa..