By Vytautas Pilipavičius
This e-book is a set of chapters, in regards to the advancements in the Weed Biology and regulate box of analysis. The ebook contains scholarly contributions via a variety of authors pertinent to Agricultural and organic Sciences. every one contribution comes as a separate bankruptcy entire in itself yet without delay on the topic of the book's issues and pursuits. the objective viewers includes students and experts within the box.
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Additional resources for Weed Biology and Control
With these nozzles, up to a hectare may be sprayed from 20 to 100 l liquid. The size range of drops sprayed by Eurofoil nozzle is very wide: from the smallest 100 µm to 800 µm. The size of the sprayed drops may be regulated by changing the quantity of the air supplied to a nozzle. , XR 110-04, due to higher movement speed, fewer drops are still blown downwind. 7 m, and the recom‐ mended driving speed of the spraying machine varies from 4 to 8 km h-1. Smaller drops cover the sprayed surfaces better; so using Eurofoil pressure pneumohydraulic nozzles, the norms of plant protection products and liquid mineral fertilizers may be reduced to 50 % .
Whether there are marks of corrosion, the state of the painted surfaces and the quality of welds. The entire weight of the suspended tractor-mounted hydraulic sprayer during operation and transportation falls on its chassis wheels (Figure 3). The modern suspended tractor-mounted hydraulic sprayers meet almost all the requirements of professional users. Their tank capacity ranges from 1,500 to 6,000 l. Larger-capacity tanks increase productivity, but also have some drawbacks: the soil is more burdened, and there is a lack of stability when spraying in hilly areas or on public roads if the speed rises to 50 km h-1.
Liquid swirl is reduced in the widest zone of the mixing camera, and pulsing is damped in ring camera 5. Homoge‐ neous liquid and air mixture is sprayed through the nozzle tip 6. While flowing, air suppressed in the nozzle earlier becomes very wide; it increases movement speed of drops (bubbles) and possibilities to get into foliage. Larger and heavier bubbles are less sensitive to blowing downwind, so they reach the sprayed surface quickly and cover it well while blowing upward. Productivity of the nozzle depends only on the dosage plates.