Humic acid series fertilizer is a polyfunctional organic-mineral composite fertilizer
with several varieties, HA-NPK besides fertifizer effect and providing nutrient
elements to the crops, the functions of HA are as follows:
A.It can hasten the germination of seed, stimulate of root system and promotethe
growing and early ripening of crops. It can also prolong the vegetable harvest,
enhance the quality and production of the crops, increase the sugar content of fruits
and melons and finally increase the ability of plant resistance to bad growing
condition, e.g. draught-resistance and water logging resistance.
B.It can improve the formation of soil aggregate structure; increase air permeability,
water and fertilizer holding ability and ion exchange capacity of the soil.
It can also enhance the buffer function to regulate the soil acidity and the organic
matter of the soil to improve the raw soil fertility.
C.It can inhibit the fixation of available phosphorous of soil, reduce the vaporization
and loss of N-fertilizer, activate the hardly absorbed potassium and increase
the availability of N, P, K.
D.It can prevent the crops from plant diseases and insect pests.
The element contents can be adjusted according to the requirement of customers.
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