Homemade green pesticide

Garlic juice: Take 250 grams of purple skin garlic, soak for 30 minutes with water, smash the juice, add water to dilute about 10 times, spray immediately, can prevent mites, red spiders, scale insects, etc., can also prevent powdery mildew, gray mold, watering Into the soil to control nem.......

Performance and Control of Soil Deterioration in Vegetable Fields

First, the performance and causes of soil deterioration
1. Soil slabs Due to the large application of chemical fertilizers, neglecting the application of organic fertilizers, some deterioration of soil fertility and lack of organic matter. The gas permeability is reduced, the aerobic .......

New technology for chemical fertilizer intubation

The cannula is made of a plastic tube with a length of 20 cm to 25 cm, a diameter of 2 cm to 3 cm, and a wall thickness of 3 mm to 5 mm. The bottom of the plastic tube is made into a conical shape (for easy insertion into the soil) in the plastic tube. The surrounding (including the lower .......

Reuters commentary (June 3)

LME Copper – Copper futures jumped 3% on Friday and ended at a five-week high as exchange stocks fell to lower levels in more than 30 years. Three-month copper ended the session higher at $96 to 3,270 per ton USD/Spot/Reversal spread for three months expanded from 199/209 to 232 USD. &qu.......

Construction Information (10.19): Copper and Aluminum

The "Risk Warning" section of the journal aims to describe the risk of long and short positions through the icon of the star flag. It can be used as a reference for investors when dealing with open positions. In practice, investors need to trade according to their own short-term lines.......

A pesticide spraying method with less cost and less pollution

Scientists at the University of Vienna in Austria have introduced a cost-saving and less polluting pesticide spray method that fills empty shells of dead bacteria with chemical pesticides and sprinkles them on the foliage of plants. The pesticides sprayed by this method can not be washed a.......

Safe use of long residual herbicides

Long-term residual herbicides are herbicides that have been used in certain soils for more than one year after they have been used. They are susceptible to different degrees of phytotoxicity. Therefore, it is necessary to pay attention to the harm of such herbicides to the crops.

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How to prevent tomatoes from falling and falling

In the flowering stage of spring 茬 tomatoes, it is inevitable to encounter severe weather such as yin, rain, snow and fog. The temperature is low and the light is insufficient, which affects the normal pollination and fertilization. At present, auxin is used for prevention and control.......