1.Ammonium sulphate, chemical formula (NH4)2SO4,with nitrogen 20%-21%,abbr.AS.2.Ammonium sulphate is a kind of fast-acting nitrogen fertilizer, NH4+ is easy to be absorbed by soil after spraying.3.As physiologically acidic fertilizer,long-term application of ammonium sulphate will increase the acidity of soil.4.If use ammonium sulphate to calcareous soil continuously or single, less soluble calcium sulphate will formed and cause soil harden ammonia volatiliazation. It is easy to cause nitrifica

1.Plant normal growth and development need a variety of mineral nutrition elements, and all kinds of available nutrients in soil may not conform to the tree nutrition demand, need through the artificial method according to the proportion to fertilization, plant nutrition elements that is the principle of balanced fertilization.2.Balanced fertilization usually has at least NPK nutrient elements, as well asmicro-nutrientsin the soil.

In order to make plants getting nutrients supply in time and give full play to the fertilizer effects, the environment conditions and characteristics of plants must be taken into consideration.That is weather for fertilization, soil for fertilization and crops for fertilization.Weather, fertilization technology is determined according to local rainfall,temperature and sunshine conditions.Soil for fertilization is to determine the fertilization technology according to soil fertility level and che

Advantages of organic fertilizer and chemical fertilizer combination.1.Organic fertilizer and chemical fertilizer, chemical fertilizer can promote the mineralization of organic nitrogen, increase organic fertilizer effect, and the presence of organic nitrogen can promote chemical nitrogen immobilization, decrease the loss of inorganic nitrogen, are conducive to crop growth and development.2.The combination of organic fertilizer and chemical fertilizer can improve the efficiency of phosphorus, pr

New fertilizerexport tariff for 2017 have been published by chinese govenment on December 23,2016.China canceled most of the export tariffs on fertilizer products except some special products.The export tariff of urea, MAP, DAP, TSP,SSP, ammonium chloride and etc. have been canceled.For Compound fertilizers, the export tariff of NP NK compound fertilizer andNPK compound fertilizer with package gross-weight less than 10kgs have beencanceled too, andthe export tariff ofNPK compound fertilizer wit

Feb 09, 2017Shandong Lvfeng Fertilizer Co.,Ltd participated in CAC 2017, Booth Number is 5G13, Thinks for all visitors and clients for have good conversation.And we bookedCAC 2018, Booth Number is 4B25.

The New Export Tariff Of Fertilizers For 2018 have been published on December 15,2017 by Ministry Of Finance P.R.China.The export tariff have not change more for fertilizer compare with 2017, only the export tariff ofNPK compound fertilizer with package gross-weight more than 10kgs have beenreduced from 20% alongwith price to RMB100/MT.The export tariff of fertilizers in 2018 as such:

Shandong Lvfeng Fertilizer Co.,Ltd participated in CAC 2018, and our booth number is N4M09.Welcome any visitors and clients to visit and have a face to face conversation.