Looking at the fluctuation of live hog prices since 2009, the national hog price has risen from the low of 9 yuan per kilogram in May this year to around 12 yuan in September, which is close to 13.5 yuan during the Spring Festival this year, still lower than 2008 4 May is 17 yuan. With the…

Release date: 2010-04-14

According to a health survey conducted by a US research group on 92,000 nurses, young women aged 20 or older who use b…

1. Corn. After the jointing of the corn to the big bell-mouth period, it is the peak period of absorbing nutrients. Generally, the first fertilizer can be applied before and after the jointing. Each kilogram can be topped with 15 kilograms of ammonium nitrate and 8 kilograms of urea; 7 to …

In recent years, seed quality accidents in corn production have occurred from time to time, affecting agricultural production and damaging the interests of farmers. In 1995, when the maize grouting was mature, the authors conducted investigations into more than 50 corn production fields in…

The 21st century is a new century in the development of bioelectronics medicine. Ultrasound diagnosis and non-invasive treatment of ultrasound have become the focus of attention in the medical community at home and abroad. The ultrasound non-invasive treatment industry has be…

After the mature egg is excreted from the ovary, its survival time is limited, and the survival time of the sperm in the uterus is also limited. The two times are well grasped. Artificial insemination at the right time can increase the conception rate.

1. Transportation of sperm in th…

Spray drying granulator working principle and characteristics Spray drying granulator (one-step granulation equipment) is a new type of proprietary Chinese medicine and western medicine granulation equipment that combines spray drying technology with fluidized bed granulati…

Spring is the golden season of afforestation. In order to improve the survival rate of afforestation in spring, the following points should be grasped during afforestation:

First, tree species selection In place selection tree species must adhere to the principle of appropriate tre…

April is the key period for the management of fruit trees throughout the year and the basis for fruit tree management throughout the year.

Cut before flower: Now you can see which flower bud is and which is not. According to the number of apple tree flower buds to cut. A tree with …

Underground pests are one of the main pests in the seedling stage of autumn planting crops in Lantian County. The main species are crickets and golden worms, which often cause ridges and ridges in crops, and severe field cropping.

According to county plant protection station on Aug…

Increased rice production and scientific application of fertilizers are critical. Fertilizing techniques for increasing rice yield have the following points:

First, the application of organic fertilizer: Organic fertilizer is mainly used as a base fertilizer, generally 30 to 40 ton…