u n n in g u zoq s a q la n u v c h a n l i g in i tu s h irib y u b o ra d i. S h u n in g u c h u n
On ishlab c h i q a r i s h d a bu q is m la r olib tash lan a d i.
D on n in g sirtqi qism iga in ten siv usulda ishlov berish
D o n n i n g e n d o s p e r m id a n n av li un v a u n in g ustki q is m id a n k e p a k
olinadi. S h u n in g u c h u n m u t a x a s s is l a r d o n n in g ustki q a tla m la rin i o l
d i n d a n
ajra tib olib, u n o lish j a r a y o n l a r i n i q isq a rtirm o q c h i b o ‘ladilar.
L e k in d o n g a “ b o r o z d k a » ( a r i q c h a ) va a le y ro n qa tla m i,
j u d a qattiq
y o p is h g a n lig i sababli, bu j a r a y o n m u r a k k a b b o i i b q o lm o q d a .
55-rasm. Donga intensiv usuUla suv bilan islilov berish uskunasi
S h u n in g u c h u n a m a l iy o t d a d o n n i o ld in d a n g u sk u n a si y o r d a m i d a
g y ax sh i natija b era b oshladi. O d d iy navli un o lis h d a d o n n in g 2 - 3
% m e v a q o b i g 'i
shilib o linadi, b u n d a k le tc h a tk a m i q d o r i 0 , 9 - 1 %
k a m a y ib , unin g ra n g i y a x s h ila n ib , u n n in g sifati osh ad i.
Yuqori navli u n ishlab c h i q a r i s h d a d o n la rn i o q l a s h bilan birga.
u la m i n g m a y d a l a n m a s li g i g a h a m e ' t i b o r b erish k e r a k ( m a y d a l a n g a n
d o n la r 2 % d a n o s h m a s lig i k erak ).
137
