Field Test
The field experiment of fertilizer effect is based on the law of fertilizer demand of tested crops, conventional fertilization amount and fertilization method, which determines the amount, time and method of fertilizer application, evaluates the influence of equal fertilization, reduced fertilization or fertilization method change on the yield or quality of tested crops, recommends the best amount, time and method of fertilizer application, and evaluates the fertilizer benefit according to fertilizer effect, income and input cost.
Test crops: southern and northern field crops (rice, corn, etc.), fruits and vegetables (citrus, mango, dragon fruit, banana, etc.), Chinese herbal medicines (Panax notoginseng, Lycium barbarum, ginseng, etc.), lawn flowers, etc.
