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How to use super absorbent polymer (SAP)in agriculture
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Chinafloc super absorbent polymer has a range of applications but is primarily used as a highly effective water retainer for soils and substrates in farming, agriculture and horticulture.
1. Agricultural Crops
1) seed soaking
First, SAP: water= 1:100-150 to be gel
Second, taking seeds into gel for 12 hours
Third, airing then seeding
Forth, watering thoroughly
Dosage: seeds: gel =1：5-10，used in seeds
2）coating
Before seeding，soaking seeds in water，after completely wet，take them into SAP powder，coating SAP，then seeding。Dosage of SAP is about 0.5-1.0kg/ 666m².
3）seed dressing
SAP: water=0.5-1:100 to be gel，Stir in the seed，after airing then seeding.
4）hole fertilization
SAP: dry soil=1：5-10，stir evenly, then fertilize in hole(depth: 10-20cm)，earthing，watering.
Dosage：2-3kg/ 666m². Used for hole planting crops, eg. tomato、pepper、watermelon、potato、sweet potato.
5）furrow dressing
SAP: dry soil=1：5-10，stir evenly, then fertilize in hole(depth: 10-20cm)。
Dosage：2-3kg/666m²Used for row crops, eg. Flue-cured tobacco、peanut、cole、radish、wheat、corn、cotton and broomcorn.
6）broadcast sowing：
SAP: dry soil=1：5-10，stir evenly, sowing on the surface，Turn into about 5-10cm deep soil layer，watering thoroughly，then sowing seeds.
dosage：3-5kg/ 666m²。Used for row crops, eg lettuce、crowndaisy.
2、Forestry
1）Turf
（1）New turf
SAP: dry soil=1：10-20，stir evenly, sowing on the surface，Turn into about 5-10cm deep soil layer，then sowing or planting grass，watering thoroughly.
Dosage：sandy soil:60-80g/ m2 ; fertile soil:40-60g/ m2; clay:20-40g/ m2
（2）existing turf
Dig up the root of turf ，fertilize SAP(SAP: dry soil=1：10-20) under turf，then taking turf bac, wateringlots of water
Dosage：sandy soil:60-80g/ m2 ; fertile soil:40-60g/ m2; clay:20-40g/ m2
2）Sapling transplanting
（1）Dipping root
SAP: water =1：100—150 to be gel，also can add some loess to be mud，The seedling root into the gel and stirring for 3-5 seconds，dip and plant. Used for sapling transplanting,It is better to be wrapped by plastic when transplanting.
（2）hole fertilization
SAP: dry soil=1：5-10,stir evenly, fertilize into hole, and divided into two layers, the first layer into the hole bottom，then putting sapling in hole and filling soil. The second layer into upside of sapling root, then filling soil and watering. It used in sapling and forest planting.
Dosage：DBH 2-4cm：20-30g/sapling；DBH 4-5cm：50-70g/sapling；DBH 6-7cm ：80-100g/sapling；adult tree：100-200g/tree
DBH: diameter at breast height
3）Adult tree
Dressing：The canopy projection shall prevail，digging circular furrow or strip furrow along the edge of projection, (width:10-15cm depth: To expose the partial root shall prevail)，Mixing SAP and soil which is 10cm from ditch bottom, then fertilize into ditch, filling the ditch after irrigation. If fertilizing with fertilizer, fertilizer should be above SAP, fertilizer and SAP should be separated by soil.
Dosage: 20-50 g/tree，used for grape, date, pear, chestnut.
using method for crops:
|
Crop species |
Dosage |
Usage |
|
Fresh ginger |
3.0-5.0kg/667 m2 |
hole fertilization：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole，earthing，watering,then sowing. |
|
Potato Tania |
3.0-5.0 kg/667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole(depth: 10-20cm),earthing, then seeding potato pieces, earthing and watering. |
|
Chinese cabbage Spinach |
3.0-5.0kg/667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole(depth: 10-15cm),earthing and watering. Then seeding. |
|
3.0-5.0 kg/667m2 |
seed dressing(for broadcast sowing)： SAP: dry soil=1：10-20，stir evenly, sowing on the surface，Turn into about 5-10cm deep soil layer，watering thoroughly，then sowing seeds. |
|
|
cabbage、cabbage mustard、flower Chinese cabbage |
3.0-5.0 kg/667m2 |
hole fertilization：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole，then put sapling with soil lump into hole, earthing，watering. |
|
Radish、carrot、root-mustard |
3.0-5.0 kg/667m2 |
seed dressing(for broadcast sowing)： SAP: dry soil=1：10-20，stir evenly, sowing on the surface，Turn into about 5-10cm deep soil layer，watering thoroughly，then sowing seeds. |
|
3.0-5.0 kg/667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole(depth: 10-20cm),earthing and watering. Then seeding. |
|
|
Green Chinese onion、onion、celery、garlic |
3.0-5.0 kg/667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole ,earthing and watering. Then seeding. |
|
tomato、eggplant、chilli
|
3.0-5.0 kg/667m2 |
hole fertilization：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole，then planting crops and earthing，watering. |
|
Melon：cucumber、watermelon、muskmelon、pumpkin、chinese watermelon、luffa |
3.0-5.0 kg/667m2 |
hole fertilization(Furrow dressing)： SAP: dry soil=1：10-20，stir evenly, then fertilize in hole(furrow) (depth: 10-20cm) then planting crops and earthing，watering. |
|
3.0-5.0 kg/667m2 |
Topdressing：dig a long furrow width: 10-15cm depth: 15-20cm at side of plant, SAP: dry soil =1:10-20stir evenly, then fertilize in hole, then watering thoroughly and earthing. |
|
|
grain、cash crop：corn、peanut、wheat、tobacco、beans
|
|
Seed soaking: First, SAP: water= 1:100-150 to be gel Second, taking seeds into gel for 12 hours Third, airing then seeding Forth, watering thoroughly |
|
3.0-5.0kg/ 667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in hole(depth: 10-20cm),earthing and seeding. Then watering. |
|
|
Cotton
|
|
Seed dressing: SAP: water=1:100 to be gel，Stir in the seed，after airing then seeding.
|
|
3.0-5.0kg/ 667m2 |
Furrow dressing：SAP: dry soil=1：10-20，stir evenly, then fertilize in furrow(depth: 10-15cm),then sowing cotton seeds to furrow |
|
|
Turf |
Sandy soil： 60-80g/ m2 Fat soil： 40-60g/ m2 Clay ： 20-40g/ m2 |
SAP: water=1：15-20 stir evenly（SAP is better to absorb enough water to be saturated gel）stir evenly, sowing on the surface，Turn into about 5-10cm deep soil layer，sowing grass seed or sod transplanting after leveling, then watering thoroughly. |
|
Flower |
3.0-5.0kg/ 667m2 |
Furrow dressing：SAP: dry soil=1：15-20，stir evenly, then fertilize in hole(depth: 10-15cm),earthing and seeding flower seeds into hole. Then watering thoroughly. |
|
sapling |
DBH 2-4cm：20-30g/plant； DBH 4-5cm：50-70g/plant；DBH 6-7cm ：80-100g/plant；Adult tree：100-200g/plant |
hole fertilization: SAP: dry soil=1：5-10,stir evenly, fertilize into hole, and divided into two layers, the first layer into the hole bottom，then putting sapling in hole and filling soil. The second layer into upside of sapling root, then filling soil and watering.
|
|
|
Dipping root SAP: water =1：100—150 to be gel，also can add some loess to be mud，The seedling root into the gel and stirring for 3-5 seconds，dip and plant. Used for sapling transplanting, It is better to be wrapped by plastic when transplanting. |
|
|
Fruit tree： apple、pear、apricot、peach、date
|
DBH 2-4cm：20-30g/plant； DBH 4-5cm：50-70g/plant； DBH 6-7cm ：80-100g/plant； adult tree：100-200g/plant |
hole fertilization: SAP: dry soil=1：5-10,stir evenly, fertilize into hole, and divided into two layers, the first layer into the hole bottom，then putting sapling in hole and filling soil. The second layer into upside of sapling root, then filling soil and watering.
|
|
20-50 g/plant |
Dressing：The canopy projection shall prevail，digging circular furrow or strip furrow along the edge of projection, (width:10-15cm depth:To expose the partial root shall prevail)，Mixing SAP and soil which is 10cm from ditch bottom, then fertilize into ditch, filling the ditch after irrigation. If fertilizing with fertilizer, fertilizer should be above SAP, fertilizer and SAP should be separated by soil. |
|
|
grape
|
3.0-5.0kg/667 m2 |
Dressing：dig a long furrow width: 15-25cm depth: 30-40cm located 20-25cm at side of grape plant，Mixing SAP and soil which is 10cm from ditch bottom, then fertilize into ditch, filling the ditch after irrigation. If fertilizing with fertilizer, fertilizer should be above SAP, fertilizer and SAP should be separated by soil. |
