Weeds compete with crops and are hard to differentiate identify due their similarities in color, shape, size. In this study, the weed species present sorghum (sorghum bicolor (L.) Moench) fields, such as amaranth (Amaranthus macrocarpus), pigweed (Portulaca oleracea), mallow (Malva sp.), nutgrass (Cyperus rotundus), liver seed grass (Urochoa panicoides), Bellive (Ipomea plebeian), were discrimi...

The paper analyzes the growth of Pinus sylvestris L. and koraiensis Siebold et Zucc. Bonitet, age, diameter height, density resources were determined on 11 sample plots. analysis state artificial plantations pinus sylvestris, planted from 1954 to 1980, indicates their low preservation, which after 25-40 years, depending location research object, decreases 14-25%, confirms need for expanding rec...

results modern investigations have supported the claims of the insecticidal activity of several plants, including allium sativum, artemisia absinthium, citrullus colocynthis, laurus nobilis, mentha pulegium, myrtus communis, nerium oleander, ocimum basilicum, and origanum majorana. however, in the cases of plants like iris florentina and malva sylvestris, there is not enough evidence in modern ...