Corn fertilization should pay attention to 4 points
Corn fertilization should adopt the “two-headed and medium-light†measures to specifically grasp the requirements for replanting the base fertilizer, lightly applying the seedling fertilizer, skillfully applying the stalk fertilizer, and vigorously applying the panicle fertilizer. 1, re-application of basic fertilizer: base fertilizer should be applied to about 2500 kg of manure per acre, water dung 400 ~ 600 kg, urea 14 ~ 20 kg, about 30 kg of phosphate, so that organic fertilizer and inorganic fertilizer combined, nitrogen, phosphorus and potassium . Base fertilizer accounts for about 35% of the total amount of fertilizer. 2, light Miao Fei: corn grow to 3 to 5 leaves after survival, according to the soil fertility and base fertilizer application, to see seedlings grow a quick-appropriate fertilizer for Miao Fei, general Mushi decomposed defecate water 100 kg, plus Urea 3 ~ 4 kg, combined with the cultivator, accounting for about 10% of the total amount of fertilizer. 3, Qiao stalk fertilizer: stalk fertilizer should be 7~8 leaves in the seedlings or when it is developed into 10~11 leaves, it is advisable to apply generally about 10 mu of water and manure, plus 2~3 kg of potassium fertilizer and 8 kg of ammonium bicarbonate. About 15% of the total amount of fertilizer. 4, Meng Shi Pan Fei: panicle fertilizer should be a big horn from the top of the corn or hand can touch the best fertilizer when applied to smallpox, weak seedlings early application, strong seedlings later, usually with 30 to 40 per mu water dung, add carbon Ammonium 20-25 kg mixed superphosphate 25 ~ 35 kg. IPL Hair Removal,IPL Laser Hair Removal,IPL Hair Removal Machine,IPL Laser Hair Removal Machine Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizon.com