Release date: 2006-12-18

Norwegian experts say that reducing smoking does not reduce physical harm Oslo News: Norwegian researchers have report.......

Precautions for watermelon seedlings

Watermelon.......

1 Soybean demand for major nutrients

Soybeans have relatively high economic value in grain and oil crops. Soybeans need more nitrogen, but they can be fixed by root nodules, generally from the atmosphere to obtain 5-7.5Kg / mu, about 40% -60% of soybeans need nitrogen. For each 100.......

The main locusts on leafy vegetables are peach aphid, radish sprouts, amaranth and lettuce. The most widespread occurrence of peach aphid, in addition to feeding cruciferous vegetables, but also harm spinach, pepper, eggplant and so on. The radish sprouts mostly harm the surface with less .......