The following points highlight the top six factors affecting the persistence of weeds. The factors are: 1. Selective Invasion 2. Prolific Seed Production 3. Longevity of Weed Seeds in Soil 4. Vegetative Propagation 5. Rapid Dispersal 6. C4 Plant Physiology. Factor # 1. Selective Invasion: Weed species differ widely in their soil and climatic requirements. Every soil seems to be [...]
In this article we will discuss about the cultural, physical, biological and bioherbicidal control of weeds. Method # 1. Cultural Methods of Weed Control: (a) Good Crop Husbandry Practices: Any weed management programme on farm land essentially begins with the adoption of good crop husbandry practices leading to a sturdy crop which could overpower the weeds, and make their subsequent [...]
Common herbicide application equipment and their calibration: 1. Hydraulic Knapsack Sprayer 2. Blower (Motorised Pneumatic Sprayer) 3. Foot Sprayer (= Pedal Pump Sprayer) 4. Tractor-Mounted Sprayer. Equipment # 1. Hydraulic Knapsack Sprayer: It comprises a 9 to 22.5 1 capacity metallic tank fitted with a manually operated pump; a sieve and a lid on its mouth; and a small delivery pipe [...]