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磷酸二氢钾怎样使用才是科学的?
来源:http://www.jnjrh.com 日期:2019-08-06 发布人:admin
1、浸拌种:运用磷酸二氢钾停止浸拌种,可以使作物种子发芽率,使早发芽、早出苗、出苗齐、苗期壮、叶片绿、分蘖多、根系兴旺等。在施用量上,拌种普通1公斤种子运用2克磷酸二氢钾制成溶液,然后喷洒在种子上拌均晾干后即可运用;浸种普通能够依照50公斤水加100克磷酸二氢钾制成溶液(或者依照1公斤种+20克磷酸二氢钾运用),浸过种子2-3寸浸泡12-16个小时后,捞出晾干即可运用。
1. Soaking and dressing seeds: The use of potassium dihydrogen phosphate to stop soaking and dressing seeds can make the seed germination rate of crops, early germination, early seedling emergence, seedling emergence, strong seedling, green leaves, more tillers, root system prosperity and so on. In terms of the amount of application, 1 kg seeds are mixed with 2 grams of potassium dihydrogen phosphate to form a solution, then sprayed on the seeds and dried. Soaking seeds can be made into a solution by adding 100 grams of potassium dihydrogen phosphate to 50 kg of water (or according to 1 kg seeds + 20 grams of potassium dihydrogen phosphate), soaking seeds in 2-3 inches and soaking 12-16 seeds. After an hour, it can be used when it is salvaged and dried.
2、蘸根运用:磷酸二氢钾蘸根运用,在花卉苗木移栽上运用比拟多。在运用时,种植面积较大时,能够依照每亩0.5公斤磷酸二氢钾的用量,参加适量的水与干细土调制成液浆蘸根运用;关于家庭种植比拟的花卉苗木,能够依照0.1%的浓度蘸根运用。
2. Root dipping: Potassium dihydrogen phosphate is used in root dipping, which is more used in flower seedling transplantation. When the planting area is large, it can take part in the application of root dipping with liquid slurry prepared from water and dry fine soil according to the amount of 0.5 kg potassium dihydrogen phosphate per mu, and the seedlings planted at home can be used with root dipping in accordance with the concentration of 0.1%.
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3、基肥运用:基肥运用,普通在作物播种前与其他肥料均拌后运用,但是由于真正的磷酸二氢钾价钱比拟高,所以不倡议大家做基肥运用(多花不少钱),也就不再做过多引见。
3. Base fertilizer application: Base fertilizer application is usually mixed with other fertilizers before crop sowing, but because the real price of potassium dihydrogen phosphate is comparable to that of other fertilizers, it is not advisable for us to use base fertilizer (which costs a lot of money), so we will not make more introductions.
4、叶面喷施运用:磷酸二氢钾作为叶面肥运用为普遍,效果好,而且普通普通多与各类农药和肥料等混配运用。作物在运用磷酸二氢钾后,不只有壮苗、壮棵、壮根、促花、促果的作用,还能加强作物的抗逆性(如抗旱、抗寒、抗病害、抗干热风等),同时快速补充磷钾营养、加强光协作用、加快制造营养物质,对促进花芽分化、果实发育等都具有非常显著的效果。磷酸二氢钾叶面喷施的常用浓度普通为0.2-0.3%,在作物生育中后期运用比拟多,常用时间距离为7-10天左右,普通喷施2-3次,不可超越3-4次。
4. Application of foliar spraying: Potassium dihydrogen phosphate is widely used as foliar fertilizer with good effect, and it is commonly used in combination with various pesticides and fertilizers. After using potassium dihydrogen phosphate, crops can not only strengthen seedlings, trees, roots, flowers and fruits, but also enhance their stress resistance (such as drought resistance, cold resistance, disease resistance, dry and hot wind resistance), and rapidly supplement phosphorus and potassium nutrition, strengthen light cooperation, and accelerate the production of nutrients to promote flower bud differentiation and fruit. Development and so on all have very remarkable effect. Potassium dihydrogen phosphate foliar spraying commonly used concentration of 0.2-0.3%, in the middle and later stages of crop growth more than the use, the commonly used time distance is about 7-10 days, ordinary spraying 2-3 times, can not exceed 3-4 times.
5、灌根、冲施运用磷酸二氢钾的灌根浓度通常稀释1000倍运用(磷酸二氢钾与水的比例1比1000),每亩水肥用量100公斤左右,每株用量10-20克即可。
5. Potassium dihydrogen phosphate is usually diluted 1000 times for irrigation and irrigating (the ratio of potassium dihydrogen phosphate to water is 1:1000). The amount of water and fertilizer per mu is about 100 kg, and 10-20 grams per plant is enough.
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