Hemp (Cannabis sativa)
Hemp (Cannabis sativa): Sowing, planting and harvest calendar
Hemp, Cannabis sativa, is an herbaceous annual in the family Cannabaceae. Agricultural forms have been selected particularly for fibre or grain. They differ considerably in height, branching and length of development. The species name therefore covers a range of cultivars rather than a single plant with the same outline and seasonal cycle in every setting.The plant has upright stems, often marked by grooves, with clearly visible nodes. The inner stem becomes woody, while long fibres occur in the outer tissues. Some fibre forms develop tall, sparsely branched stems that can reach several metres. Others have a more branched outline. The root system includes a main root with lateral branches, and its development also depends on the soil.The distinctive leaves consist of several leaflets radiating from the end of a leaf stalk. These leaflets are usually elongated, pointed and toothed. Their number and width vary with the type and their position…
