Identification of tomato diseases in spring greenhouse

In the spring, as the temperature rises, tomato bacterial wilt, blight, and root knot nematode disease gradually increase. The symptoms of these three kinds of diseases are not easily distinguishable from the surface. The author will describe in detail the differences .......

Chicken "three not suitable"

First, raising broiler chickens should not be long-term feeding oxytetracycline. Oxytetracycline, as a drug for preventing poultry diseases, has a significant effect on the prevention and treatment of intestinal bacterial infections. In addition, oxytetracycline is relatively cheap and easy to.......

Precautionary use of trichlorfon

Trichlorfon mainly kills nematodes, aphids, and schistosomiasis. Because of its many characteristics, such as broad-spectrum, high-efficiency, low-toxicity, low-cost, and abundant sources, the farmers like to use it for animal deworming. As long as it is used, its insect repellent effect is id.......

Lettuce "crack stem" is a thing

The first is related to the variety. Different lettuce varieties show different resistance. Generally, the purple leaf lettuce has high water content, high yield, and easy to crack, while the green leaf lettuce is relatively light.

The second is related to water and fertilizer. Generally, .......

Seasonal parsley and cultivation management

Cockroaches, also known as parsley, are traditionally cultivated in autumn and winter, and should not grow in spring or summer. However, Wang Xiangbao, a senior agronomist at the Wangjiang County Economic Crop Technology Research Institute in Anhui province, cultivates a new variety, the Four .......

Waxy corn cultivation techniques

1. Fertilization for soil preparation

In the field preparation must be done under the real loose, intensive cultivation, to avoid the emergence of uneven; Mushi farmers manure more than 2000 kilograms, phosphate fertilizer, carbonic acid, each 20 kg.

2, timely sowing

It sho.......

How to grasp the temperature of edible fungus culture materials?

How to grasp the temperature of edible fungus culture materials?
It may be normal for the temperature to rise rapidly above 70-75°C in the early stage of fermentation, but it should be turned over immediately, and the high temperature above 75°C cannot be maintained for a long perio.......

Ruilong Brand Tester Application Effect Example

Application Example of Ruilong Brand Soil Tester Application October 10, 2007 In late June 2007, Sun Jianjun of Hebei Xianghe used the Ruilong soil nutrient tester to perform soil testing and formulating fertilizer on his own cucumber land, according to the ten years T.......