Watering immediately after application of urea. Urea is diffluent with high fluidity, and it is easy to cause loss. It is a taboo neither to water the crops immediately after the application of urea on dry land, nor to apply urea before heavy rain. Ammonium would better not be applied on the surface of soil. With high volatility, ammonium is easy to wilt the seeding, so it is better to apply the ammonium in the […]
What are the dosage of medium and trace element of fertilizer for crops? The dosage of medium element on soil is about the same with nitrogen (N) phosphorus (P) and potassium (K) or even more, but that of trace element is less, such as most field crops with only 1-2 kilograms of zinc sulfate and 0.5-1 kilograms of borax. The dosage for cash crops such as fruit and vegetables is a little higher but still […]
The capability of soil to provide and coordinate nutrient substance and environmental conditions for plants’ normal growth is called soil fertility. When it comes to formula fertilization, the first need is to realize the soil fertility. Soil fertility is the comprehensive performance of physical, chemical, biological and environmental factor. By now there is not an exact quantity index to express soil’s fertility, nor one or several factor numbers to generalize soil fertility, so it is […]
Slow and controlled release fertilizer is the general term of a kind of fertilizer with property of delaying the release of nutrient, namely the slow release fertilizer (SRF) and controlled release fertilizer (CRF) conceptually. Slow release fertilizer refers to the fertilizer (GB／T23348-2009) that can slowly release the effective nutrient for crops by fertilizer’s chemical compounding action or physical process. Its release rate of nutrient is far below the rate of normal release in soil, so that […]
Balanced fertilization is a good choice for efficient fertilizer utilization and for sustainable high production. Long-run tests have revealed that the singular element of nitrogen (N), or N and phosphorus (P) created deficiencies of potassium (K) that can only be overcome by application of K fertilizers. More emphasis should also be attached to other essential nutrients as well as the use of manures. Balanced fertilization is a key to improve fertilizer use efficiency It is […]
According to Gao Xiangzhao, the chief expert of Chinese Agricultural Extension Service Center, the integrated management of water and fertilizer is comprehensive adjustment and integrated management on water content and nutrient of crop on the basis of its requirements, so as to accelerate fertilizer efficiency by water and adjust the water volume by fertilizer for full integration, thus promoting their utilization efficiency. The narrow meaning of integrated management of water and fertilizer […]
As an advanced science and technology, scientific fertilization makes it true to increase yield and efficiency in production. Under the premise of not adding the investment in fertilizer, it is feasible to adjust the N:P:K proportion to coordinate the supply of nutrient so as to increase the production and efficiency. 2. In some economy developed areas and high yield regions, the peasants are lack of knowledge and skill on scientific fertilization and tend to apply […]
15-20 t/h BB fertilizer equipment is sent to a customer from Xuchang City, Henan Province. It is now peak season for the fertilizer equipment production. It only took ten days to finish this set of equipment. Thank our customer for choosing Beidou and great gratitude to the workers of Beidou for their hard work. Next […]
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