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American Journal Of Agriculture And Horticulture Innovations  
(ISSN – 2771-2559) 
VOLUME 04 ISSUE 05    Pages: 14-18 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 7. 471) (2024: 8.02) 
OCLC – 1290679216   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Publisher: Oscar Publishing Services 

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ABSTRACT 

Based on the research conducted on long-term stationary experience, it is clear that grain yield and the accumulation 

of total biomass of soft wheat fluctuates sharply depending on the predecessor and the use of organo-mineral 

fertilizers. A close positive correlation (r=0.75) was noted between the yield and biomass accumulation of soft wheat 

“Istiklol-6”. In terms of yield indicators and accumulation of total biomass of soft wheat “Istiklol-6”, option 6 was 

noted (wheat + 10 t/ha manure -+ Р40 under the plow). 

KEYWORDS 

Variety, soft wheat, agrotechnological measures, biomass, fertilizers, ear, stem, leaf, root, yield. 

INTRODUCTION

The most important condition for the production 

process of grain yield formation is the accumulation of 

plant biomass. With a well-developed vegetation mass, 

a significant amount of assimilants is produced, which 

can then be recycled into grain (Konovalov Yu.B., 1981). 

  Analysis of the accumulation and redistribution of 

plant biomass provides a variety of information about 

the properties of the genotypes being studied 

(Likhenko I.E., 2007, Kumakov V.A., 1982). 

In turn, an analysis of experimental and literary data 

(Klimashevskaya N.F., Dekhtyarev P.Yu., 1986) 

indicates the importance of the ratio of root and ear 

mass in the flowering phase in cereals for the 

formation of their final productivity. 

  Research Article 

 

BIOMASS AND YIELD OF SOFT WHEAT VARIETY “ISTIKLOL-6” 

DEPENDING ON VARIOUS AGROTECHNOLOGICAL MEASURES ON THE 

FARMED GROUND 
 

Submission Date: May 13, 2024, Accepted Date:  May 18, 2024,  

Published Date: May 23, 2024 

Crossref doi: https://doi.org/10.37547/ajahi/Volume04Issue05-03 

 

 

Pokrovskaya Maria Nikolaevna 
Candidate Of Agricultural Sciences, Senior Researcher, Uzbekistan 

 

Yusupov Nuriddin Khasanovich 
Doctor Of Philosophy In Agricultural Sciences, Senior Researcher, Uzbekistan 

Journal Website: 

https://theusajournals.

com/index.php/ajahi 

Copyright: Original 

content from this work 

may be used under the 

terms of the creative 

commons attributes 

4.0 licence. 

 

https://theusajournals.com
https://doi.org/10.37547/ajahi/Volume04Issue05-03


Volume 04 Issue 05-2024 15 

                 

 
 

   
  
 

American Journal Of Agriculture And Horticulture Innovations  
(ISSN – 2771-2559) 
VOLUME 04 ISSUE 05    Pages: 14-18 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 7. 471) (2024: 8.02) 
OCLC – 1290679216   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Publisher: Oscar Publishing Services 

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At the same time, the growth functions of the ear are 

predetermined by the peculiarities of the formation of 

the total plant biomass. Thus, biomass in the initial 

period increases due to the increase in the mass of 

leaves and stems, in late growth phases - due to the 

biomass of the stem and ear (Buyanova M.A., 2001, 

Chernov V.K., 1991). 

Methodology and conditions for conducting research. 

Determination of biomass accumulation of winter 

wheat was carried out according to V.A. Kumakov 

(1985). Data from the field experiment were processed 

according to B. A. Dospehov (1985). 

The research was carried out on a long-term stationary 

experiment established in 1960 at the Research 

Institute of Rainfed Agriculture, which consists of 14 

options, 3 repetitions located in one tier. 

Research results. In a stationary experiment (1960), 

where the influence of agrotechnological measures 

and predecessors on the fertility and yield of grain and 

leguminous crops was studied, studies were carried 

out on the accumulation and distribution of biomass of 

wheat variety “Istiklol-6” in the stages of tillering, 

booting and heading. During the tillering phase, the 

greatest accumulation of total biomass was observed 

in option 6 (wheat + 10 t/ha manure -+ P40 under the 

plow), in comparison with other options   (Table 1). 

Table 1 

Accumulation and distribution of biomass of wheat “Istiklol-6” during the tillering phase. 

D Option 
root stem + leaf total 

biomass, g g % g % 

1 
Wheat, no fertilizer 
control 

0,8 15,7 4,3 84,3 5,1 

2 Wheat + annually N40 0,9 14,5 5,3 85,5 6,2 

3 
Wheat + after a year 
N40 

0,9 18,3 4,0 81,7 4,9 

6 
Wheat + 10 t/ha manure 
-+ P40 for plow 

1,3 16,3 6,6 83,7 8,0 

10 
Wheat + P40 N40 in a 
year 

1,3 18,0 5,9 82,0 7,2 

11 
Wheat + Р40 N40К40 
annually 

0,8 16,7 4,1 83,3 4,9 

13 
Wheat + P40 N40K40 + 
Rocohumin 

0,9 12,7 6,2 87,3 7,1 

14 
Wheat + 5 t/ha 
compost once every 
three years 

1,1 15,3 6,1 84,7 7,2 

 

According to the table, it can be seen that the 

accumulation of total biomass of soft wheat “Istiklol-



Volume 04 Issue 05-2024 16 

                 

 
 

   
  
 

American Journal Of Agriculture And Horticulture Innovations  
(ISSN – 2771-2559) 
VOLUME 04 ISSUE 05    Pages: 14-18 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 7. 471) (2024: 8.02) 
OCLC – 1290679216   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Publisher: Oscar Publishing Services 

Servi 

6” in the tillering phase ranged from 4.9 g (options 3 

and 11) to 8.0 g (option 6), in the control option it was 

5.1 G. 

In the booting phase of the Istiklol-6 wheat, the 

greatest accumulation of total biomass was noted in 

options 11 (wheat + Р40 N40К40 annually) and 13 

(Wheat + Р40 N40К40 + Rocohumin) (Table 2).

Table 2. 

Accumulation and distribution of biomass of wheat “Istiklol-6” in the booting phase 

D Option 
root stem sheet total 

biomass, g g % g % g % 

1 
Wheat, no fertilizer 
control 

5,60 18,25 15,04 49,02 10,04 32,72 30,68 

2 Wheat + annually N40 4,26 14,57 14,38 49,21 10,58 36,20 29,22 

3 Wheat + after a year N40 2,50 10,02 11,84 47,47 10,60 42,50 24,94 

6 
Wheat + 10 t/ha manure -
+ P40 for plow 

3,80 11,48 18,18 54,92 11,12 33,59 33,10 

10 
Wheat + P40 N40 in a 
year 

1,24 4,85 16,36 64,03 7,96 31,15 25,55 

11 
Wheat + Р40 N40К40 
annually 

4,46 9,51 27,70 59,11 14,70 31,37 46,86 

13 
Wheat + P40 N40K40 + 
Rocohumin 

5,86 15,52 18,60 49,28 13,28 35,18 37,74 

14 
Wheat + 5 t/ha compost 
once every three years 

2,84 11,39 13,02 52,24 9,06 36,35 24,92 

 

The table data shows that the total biomass of soft 

wheat “Istiklol-6” ranged from 24.92 g (option 14) to 

46.86 g (option 11), in the control option 30.68 g.  

According to the accumulation of the total biomass of 

soft wheat “Istiklol-6” in the heading phase, option 6 

was noted (wheat + 10 t/ha manure -+ Р40 for the plow) 

(Table 3). 

Table 3 

Accumulation and distribution of biomass of wheat “Istiklol-6” during the heading phase. 

D Option 
root stem sheet ear total 

biomass, g г % г % г % г % 

1 
Wheat, no fertilizer 
control 

12,3 10,9 65,0 57,6 10,4 9,2 15,6 13,8 112,8 

2 
Wheat + annually 
N40 

14,5 9,6 87,5 58,3 14,1 9,4 19,8 13,2 150,0 



Volume 04 Issue 05-2024 17 

                 

 
 

   
  
 

American Journal Of Agriculture And Horticulture Innovations  
(ISSN – 2771-2559) 
VOLUME 04 ISSUE 05    Pages: 14-18 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 7. 471) (2024: 8.02) 
OCLC – 1290679216   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Publisher: Oscar Publishing Services 

Servi 

3 
Wheat + after a 
year N40 

17,5 10,6 90,6 55,3 16,0 9,7 24,3 14,8 163,6 

6 

Wheat + 10 t/ha 
manure -+ P40 for 
plow 

18,7 10,0 98,1 52,5 20,8 11,1 30,4 16,2 186,7 

10 
Wheat + P40 N40 in 
a year 

13,2 8,7 89,5 59,5 15,9 10,5 20,1 13,3 150,2 

11 
Wheat + Р40 
N40К40 annually 

15,8 10,1 90,2 57,9 16,4 10,5 19,4 12,4 155,7 

13 

Wheat + P40 
N40K40 + 
Rocohumin 

16,1 10,5 88,6 58,1 15,3 10,0 17,9 11,7 152,4 

14 

Wheat + 5 t/ha 
compost once every 
three years 

17,3 10,9 86,9 55,1 16,5 10,4 22,5 14,2 157,5 

 

The accumulation of total biomass of soft wheat 

“Istiklol-6” (Table 3) in the heading phase ranged from 

150.0 g (option 2) to 186.7 g (option 6), in the control 

option 112.8 g. The proportion of roots ranged from 

8.7% (variant 10) to 10.9% (variant 14), in the control 

variant 10.9%; the share of ears is from 11.7% (option 13) 

to 16.2% (option 6), in the control option 13.8%. 

Yield data from the stationary experiment of soft 

wheat “Istiklol-6” are presented in table. 4. 

Table 4. 

Yield data of soft wheat “Istiklol-6” on a stationary experiment (Gallyaaral 2023) 

№ Option 

Harvest by repetitions, c/ha 

average, 

c/ha 

Deviation to 

control 

I II III ±c/ha % 

1 Wheat, no fertilizer control 6,6 7,8 6,5 7,0 - - 

2 Wheat + annually N40 7,0 7,5 4,2 7,2 +0,2 102 

3 Wheat + after a year N40 7,8 7,9 7,0 7,6 +0,6 108 

6 
Wheat + 10 t/ha manure -+ P40 for 

plow 
9,8 10,2 9,0 9,7 +2,7 138 



Volume 04 Issue 05-2024 18 

                 

 
 

   
  
 

American Journal Of Agriculture And Horticulture Innovations  
(ISSN – 2771-2559) 
VOLUME 04 ISSUE 05    Pages: 14-18 

SJIF IMPACT FACTOR (2022: 5. 705) (2023: 7. 471) (2024: 8.02) 
OCLC – 1290679216   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Publisher: Oscar Publishing Services 

Servi 

10 Wheat + P40 N40 in a year 8,5 8,0 7,9 8,1 +1,1 115 

11 Wheat + Р40 N40К40 annually 8,9 8,6 8,3 8,6 +1,6 122 

13 Wheat + P40 N40K40 + Rocohumin 8,8 8,7 9,0 8,8 +1,8 125 

14 
Wheat + 5 t/ha compost once every 

three years 
9,1 8,5 8,8 8,8 +2,2 125 

 
R.% 

NSR 05 
- - - 

0,56 

1,24 
  

 

Tabular data show that in the second option, the 

lowest grain yield of 7.2 c/ha of soft wheat “Istiklol-6” 

was noted, when N40 was applied annually, and with 

the joint application of organomineral fertilizers, the 

yield was 8.8 - 9.7 c /ha. 

CONCLUSIONS 

Studies conducted on long-term stationary experience 

have shown that grain yield and the accumulation of 

total biomass of soft wheat fluctuates sharply 

depending on the predecessor and the use of 

organomineral fertilizers. 

The highest indicators for yield and accumulation of 

total biomass of soft wheat “Istiklol-6” were in option 

6 (wheat + 10 t/ha manure -+ Р40 for the plow). 

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1. Буянова М.А. Повышение продуктивности и 

засухоустойчивости у сортов яровой мягкой 

пшеницы в процессе селекции на Юге-

Востоке России. // Актуальные вопросы экол. 

физиологии растений в ХХI веке. Сыктывкар. 

2001. с. 181.  

2. Коновалов Ю.Б. Формирование 

продуктивности колоса яровой твердой 

пшеницы и ячменя. М. Колос. 1981. 175 с.    

3. Климашевская Н.Ф., Дехтярев П.Ю. 

Физиологическое значение соотношения 

масс корня и колоса в фазу цветения у 

пшеницы в связи с ее продуктивностью. //Ж: 

Сельскохозяйственная биология. 1986. №10. 

с. 42-47. 

4. Лихенко И.Е., Лихенко Н.Н. Биологические 

особенности яровой мягкой пшеницы в 

условиях Северной лесостепи Западной 

Сибири и использование их в селекции. 

Новосибирск: ИЦП, 2007, с. 47-58.  

5. Чернов В.К. Взаимосвязь ростовых 

процессов и продуктивность яровой 

пшеницы. Биологические основы селекции. 

Саратов. 1991. с. 147-152.       

 


