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Agronomy
Step-by-step How to Grow Sorghum
Agronomy

Step-by-step How to Grow Sorghum

Agriculturist Musa June 28, 2018
How to Grow Sorghum
 

How to Grow Sorghum

Common name: great millet, durra, jowar, Sorghum.

Scientific name: Sorghum bicolor.

Family: Poaceae.

Origin: The origin of sorghum took place in North Eastern Africa.

Importance

Sorghum or jowar is one of the important food and fodder cereal crops. The nutritional value of  sorghum is same as of that of corn and that is why it is gaining importance as livestock feed.  Sorghum (or) Jowar is also used for ethanol production, producing grain alcohol, starch production,  production of adhesives and paper other than being used as food and feed for livestock. Jowar (or)  Sorghum cultivation is gaining popularity due to its nature of extreme drought tolerance. Sorghum is  very nutritious just like corn and can be used as green fodder, dry fodder, hay or silage.

Varieties

Some Indian varieties are PC­-6, 9, 23, HC­ -171, 260 (Early to medium duration), U.P. Chari­ 1 & 2,  CO-­27 etc.

Climate

Basically jowar or sorghum is a tropical crop. It thrives well at a temperature between 25°C and 32°C  but below 16°C is not good for the crop. Jowar crop requires rainfall about 40 cm annually. Jowar is  extreme drought tolerant crop and recommended for dry regions. Too much of moist and pro longed  dry conditions are not suitable for jowar cultivation.

Soil

Sorghum crop adapts wide range of soils but grows well in sandy loam soils having good drainage.  Soil pH range of 6 to 7.5 is ideal for its cultivation and better growth. The main field should be  ploughed and leveled to fine tilth for weeds free sowing.

Land preparation

One should avoid rocky field and 1­-2 ploughing followed by 2 crosswise harrowing are required to  prepare a good seed bed.

Seed rate and sowing method

Seed rate of 35­-40 kg per hectare is well enough and sowing should be carried out by drilling @  row­to­row distance of 25 cm. Seed broadcasting should be avoided. The seed should not be sowed  more than 2–3 cm depth.

Fertilizer Application (1 Hectare of land) 

•  FYM –  10­-15 tone.

At the time of sowing, basal application of

•  N – 60 Kg. •  P2O5 – 40 kg. •  K2O – 40 kg.

Apply 35 kg N/ha top dressing 1 month after sowing. 60-­65 kg N/ha should be applied in low rainfall  and rainfed areas at sowing time. In Sulphur deficient soils, 45­-60 kg S/ha should be added.

Irrigation

If the crop is sown in monsoon time (July), it may require l to 3 irrigations depending upon rains. For  summer crops, 6 to 7 irrigations may be carried out due to high temperature. Rabi season crops need  about 4 to 5 irrigations. Critical stages of irrigation are­ (For Rabi season)

•  30­-45 days (seedling elongation stage).

•  60­-65 days (reproductive or heading stages).

•  70-­75 days (panicle emergence).

•  90­-95 days (grain development stage).

However, if only one irrigation is available, this should be applied just before booting (40-­50 days)  from flowering at 10 days interval or Dithane M 45 – 0.2 % + Bavistin 0.2 %  twice at 10 days  interval after commencement of flowering.

Weed control 

To control the weeds in Sorghum crop, weeder cum mulcher should be used to give 1 hoeing @ 3  weeks crop stage. Should use pre­emergence application of atrazine @ 0.50 kg/ha in 650 liters of  water to control the weeds effectively.

Diseases and Insects 

Sorghum crop prone to many insects and diseases. Insects/Pests in Sorghum are Stem borer, shootfly,  & sorghum midge.

•  Use spray of carbofuran/malathion @ 125 ml/ha, to control sorghum midge

•  Use spray of endosulphan @ 0.075. Diseases in Sorghum are Sooty stripe, anthracnose and zonate leaf spot.

•  Spray carbendazim @ 5 grams /liter water to control anthracnose disease in early stages.

• Summer sown crop is very prone to shoot fly. For this carbofuran 3G @ 3 to 4 kg/ha should be  applied to control shoot fly at sowing time.

•  To  control  or  avoid  stem  borers,  crop  should  be  sown  during  July  season.  Using  spray  of  endosulfan @ 0.05% , 2 to 3 times at 10 to 14 days interval is also effective.

Harvesting

• The crop will be ready in single cut varieties for harvesting @ 65 to 75 days after sowing (50%, flowering stage).

• In multi cut varieties, first cut should be done @ 45­-50 days and subsequent cuts should be carried  at 1 month intervals.

Yield

Good farm management practices and good variety of Sorghum/ Jowar can yield up 1000 kg/ha.

Useful Agricultural Websites

Online Agricultural Study

Food and Agricultural Organization

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About The Author

Agriculturist Musa

Agriculture is the key development in the rise of sedentary human civilization. As an agriculture student, I want to make a positive footprint in the young agriculturist community through this blog.

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