Tsev > Xov xwm > Ntsiab lus

Grape Khoom Noj - Vim Li Cas Fertigation

Jul 29, 2016

Vim Li Cas thiaj Fertigation?


Grapes yog zus nyob rau hauv cov cheeb tsam uas evapo-transpiration yog siab tshaj qhov maj mam thiab dej ua qhov tseem ceeb rau cov qoob loo ntau dua. Vim tias qhov dej tsis zoo, dej hauv cov txiv hmab tau ua tiav los ntawm micro irrigation system (drip system) thiab tsuas yog tsawg tshaj li ntawm 10 feem pua ​​ntawm cov nroj tsuag ntawm cov txiv hmab txiv ntoo yog irrigated los ntawm cov qauv ntawm qhov dej.


Fertigation muab ib lub sij hawm los ua kom cov dej khov siv zoo tshaj:

1. Ua kom zoo av noo noo nyob ze qhov chaw hauv paus ntawm cov nroj tsuag thaum nws muaj kev xav tau.

2. Muab cov khoom loj thiab cov menyuam yau hauv tib lub ntsiab thiab tib lub sijhawm.

3. Ua cov khoom noj muaj rau cov nroj tsuag uas nws xav tau.

4. Muab cov khoom siv ntau npaum li cas raws li qoob loo kev tshaib kev nqhis.

5. Yuav tsum muab cov khoom noj thaum twg cog ntau tshaj.


Dej cev ntawm cov chiv sib txuas (g / L), ntawm qee qhov kub

Fertilizer
Lub mis

0

10

20

30

Urea

CO (NH 2 ) 2

680
850
1060
1330
Calcium Nitrate

Ca (TSIS TAU 3 ) 2

1020
1240
1294
1620
Ammonium Sulfate

(NH 4 ) 2 SO 4

706
730
750
780
Potassium Sulfate

K 2 SO 4

70
90
110
130
Tshuaj Ntshav Nitrate

KNO 3

130
210
320
460
Mono-Potassium Phosphate

KH 2 PO 4

142
178
225
274
Mono-ammonium phosphate

NH 4 H 2 PO 4

227
295
374
464
Magnesium Sulfate

MgSO 4

260
308
356
405