1, a foot to fill the seed, catch large and stay small. This mode of cultivation is direct stocking, but stocking specifications must be within 200 per kilogram, and the survival rate is too low for specifications. The amount of stocking depends on the conditions of the pond, feed status, economic
Oxytocin is also called oxytocin. I remember that the sow on a farm had difficulties in production, but I heard people say that oxytocin would be better if the sow produced several piglets. They wanted to wait for the sow to produce the first piglet and use it again. As a result, the sow began to
Poultry lacks vitamin A, which not only damages itself but also reduces the constitution of the offspring and affects the sustainable development of the poultry industry. Therefore, this must be given sufficient attention. 1 species of vitamin A deficiency in poultry 1.1 Vitamin A deficiency in
Generally, the soil in the north is neutral or alkaline. The pH is between 7.0 and 8.5. In the south, red soil, yellow soil, etc. are mostly acidic reactions. The pH value is between 5.0 and 6.5. Individual soils and even pH It can be seen that lime is the object of lime-rich soil, and not all ac
Feed mold and its damage Most food crops such as corn, wheat, soybeans, peanuts and their by-products, corn stalks, alfalfa vines, and forage grasses are harvested on rainy days, fail to dry in time after harvest (water content up to 13% or less), or storage environment is humid and poorly ventil
For a long time, some farmers like to use Canadian red potash fertilizer and are not willing to use white potash. They mistakenly believe that red potash fertilizer has high efficacy and white potash fertilizer has low efficacy. Even if the price of white potash in the market is lower than that of
In the winter and spring seasons, there is often continuous overcast weather. The light intensity in the shed is extremely low. The relative humidity of the air is above 95%, and the indoor temperature is below 15°C. For several days on a cloudy day, the environment limits the photosynthetic ac
The rare earth, also called rare-earth microelement fertilizer or rare earth nitrate, is a new type of rare earth element fertilizer that was first introduced and promoted in China. Applying on greenhouse vegetables can promote photosynthesis, enhance plant resistance, and improve the adaptability
The top dressing of wheat is a simple and effective measure to increase production, and the increase rate is generally above 10%. For the common wheat fields, the 3% nitrogen and phosphorus binary compound fertilizer or the nitrogen, phosphorus, and potassium ternary compound fertilizer can be used
Potassium magnesium sulphate is a new type of multi-element fertilizer produced by Qinghai Zhongxin Guoan Technology Development Co., Ltd., which contains 23% of potassium, 8% of magnesium, and 14% of sulphur. To determine the application effect of this fertilizer on major crops in Hebei Province,
Phosphorus is closely related to the cell division of crops, the synthesis, transformation and transportation of organic matter. It can promote the growth of young roots, promote flowering and fruiting, early maturity, and can improve the quality of fruits. The measures to increase the utilization
Sagittarius scientific name Sagittaria trifolia L. The common name is scissors grass, belonging to the Alismaaceae family. Use herbs and bulbs as medicine. With heat to stop bleeding, detoxification swelling, Sanjie effect. It is also a kind of vegetable in autumn and winter. Most of them are plan