technology in agriculture

Weeds , the plants out of their proper place, have been known to cause many damages andlosses to crops and some are also known to cause health hazards. A number of management strategies for weeds are also adopted. But there are some uses of these weeds.  Latana camara inflorescence  Here are the highlights of some of the many advantages of these unwanted plants. 1. Use in Human Food Some of the weeds are used as vegetables such as Bathu ( ?????)  ( Chinopodium album ) is cooked with sarsoon in Pakistan. Similarly other weeds includes Amaranthus viridis and Digeria arvensis . 2. Use as Fodder Many weeds are used as fodder for milch animals and other domesticated animals. Common weeds used as fodder are Convolvulus arvensis (field bind weed), Clitoria ternatea are good fodders for animals. 3. Use as green manure Most of the times field is irrigated for preparation and weeds are allowed to grown in the fields, and when the weeds appear, they are ploughed down. This not o...

Weeds are the unwanted plants in a community of plant aka crops or some recreational place or any other place where they are not desired and they are as harmful and devastating for crops as the diseases so their management is a must step in a healthy crop stand. Practically there are three ways for weed management in agriculture in regard to the crop stand. 1. Prevention 2. Control 3. Eradication A farmer plowing the field to uproot weeds and prepare to sow next crop Prevention To prevent the weeds from coming to the crop fields is more dutiful but perhaps the most practical method with good results. The method of preventing a given weed from contaminating a given area can be accomplished by any of the following method; i) Preventing the mixing of weed seeds in crop seeds ii) Preventing the weed seeds to come in animal feed iii) Cleaning the agriculture machinery before and after bringing to use in field they may be contaminated with weed seeds iv) Preventing the vegetatively reprod...

Weed science is the scientific discipline that deals with the study of weeds or plants that interfere with human activities. But first of all we must try to establish what is a weed because weed is defined in a variety of ways depending upon the situation. But the most common definition is that; A weed is a plant growing where it is not desired or a plant out of proper place. Weeds are included into the pests of plants, crops, water courses and gardens. Hence, they require proper management and control options. The chemicals used to control pests are called pesticides , whereas the chemicals used to control weeds specifically are called herbicides . While a herbicide targeting a particular weed or a group is called weedicide . A piece of land infest with Convolvulus arvensis Weed control is an offshoot of weed science which is most significant, well learnt and practiced. The application depends upon available information, resources, environmental conditions and economic status of t...