AAU-Zonal Research Station, Shillongani

Jute

1.     Integrated pest and disease management module for olitorius jute:

-        Soil application of Trichoderma viride @ 2.5 kg/ha  (mixed with 150 kg of FYM, covered with moist gunny bag and incubated for 48 hours in shade) in soil at the time of sowing

-        Manual weeding at 3-4 weeks after sowing

-        Hand picking and destruction of egg masses and larvae of hairy caterpillar

-        Erection of bamboo perches @ 40 nos./ha

-        Two sprays of neem oil @ 4 ml/l water at 2^nd week of June and 1^st week of July.

One spray of recommended insecticide if necessary

2.     Management of Macrophomina  phaseolina induced disease complex in jute: The combination of fungicide molecules (azoxystrobin and difenoconazole)   applied as Seed treatment @ 1.0 ml/kg seed followed by spray @ 0.075 % at 40-45 days of crop age is suitable for  management  of Macrophomina  phaseolina induced disease complex in jute.

3.     Chlorantraniliprole 18.5 SC @ 0.3 ml/l or Lamda cyahalothirin 5 EC @ 0.6 ml/l water is recommended for control of lepidopteran pests in jute.

Greengram and Blackgram

4.     For weed management in green gram and black gram, application of Pendimethalin @ 1.0 kg/ha as pre-emergence.

5.     For profitable green gram-wheat crop sequence, the following package of practices:

§  Seed inoculation in green gram with rhizobium @ 50 g/kg seed and PSB @ 50 g/kg seed.

§  Basal application of 40 kg P₂O₅ kg/ha in green gram along with recommended N and K

§  Basal application of 30 kg P2O5 kg/ha in wheat along with recommended N and K

§  Seed inoculation with Rhizobium and PSB each @ 50 g/kg seeds for green gram and black gram during kharif season.

6.     In green gram and black gram, a fertilizer dose  of  15 : 35 : 15 kg/ha of  N:P₂O₅:K₂O for all the Agro-climatic zones of Assam

7.     Weed management in spring black gram: Propaquizafop 2.5% + Imazethapyr 3.75%  (ready mix) @ 125 g/ha at 15-20 DAS (commercial product @ 2 l/ha)

8.     Integrated pest management module in urd bean crop (Accepted for recommendation in the Plenary Session, Kharif 2019): Two lines sesame as barrier crop

·       Installation of bird perches @ 40/ha at 30 DAS

·       Installation of yellow sticky trap (1mx1m) @ 15/ha

·        Need based application of quinalphos 25EC @ 0.05%

9.     Chemical management of pod bugs in green gram (Accepted for recommendation in the Plenary Session, Kharif 2020): Sprays of quinalphos 25EC@ 0.05% at the appearance of the bugs followed by dimethoate 30 EC @ 0.06% at 10 days interval in mung bean crop.

10.  Post-emergence herbicides to manage weeds for higher productivity of Black gram: Propaquizafop 2.5%) + Imazethapyr 3.75% ME (ready mix) @ 125 g/ha at 15-20 DAS.

Lentil

11.  For weed management in lentil, application of Oxfluorofen @ 150 g a.i./ha as pre-emergence followed by 1 hand weeding at 20 DAS or two hand weeding at 20 DAS and 30 DAS.

12.  The following practices for higher yield of lentil:

§  Seed priming by soaking the seeds for 6 hours and drying in shade before sowing.

§  Inoculation with Rhizobium @ 50 g/kg seed and PSB @ 50 g/kg seed.

§  Application of 10-20-15 kg N-P₂O₅-K₂O/ha along with Vermicompost @ 1 t/ha or FYM @ 2 t/ha as basal

§  Application of foliar spray of 2% urea 2 times at branching (35 DAS) and at pod formation (75 DAS) in addition to use of recommended P and K.

13.  Conservation agriculture in lentil under rice-fallow ecosystem: Direct seeding of lentil @ 45 kg/ha with retention of 30 cm high stubbles in zero-till Sali rice-lands just after harvest (sequential cropping)

14.  Integrated nutrient management in zero till lentil under sequential cropping with rice-: In zero tilled lentil after rice, 75 % N (11.25 kg/ha or 1.5 kg/bigha) along with 100 % P₂O₅ (35 kg/ha or 4.7 kg/bigha) and 100 % K₂O (15 kg/ha or 2 kg/bigha) should be applied at the time of sowing. Seed should be inoculated with Rhizobium (50g/kg seed) + Sodium molybdate (1 g/kg).

15.  Integrated Nutrient Management in Lentil: In addition to fertilizer dose of 10-26-15 of N-P₂O₅-K₂O kg/ha, Ammonium molybdate 0.5 kg/ha (67 g/bigha) and 20 kg ZnSO₄/ha (2.7 kg/bigha) should be applied to soil.  Seed should be inoculated with Rhizobium and PSB each @ 50g/kg of seed.

16.  Integrated Nutrient Management in Lentil under rice-utera conditions (relay cropping): Under rice utera condition, 5-13-0 of N-P₂O₅-K₂O kg/ha (incubating with 10 parts soil for two days) should be applied at the time of sowing. After the harvest of rice, N-P₂O₅-K₂O kg/ha @ 5-13-15 (incubating with 10 parts soil for two days) should be top dressed. Seed should be inoculated with Rhizobium and PSB each @ 50 g/kg seed. At branching and pod initiation, 2 % urea should be sprayed.

17.  Weed Management in Lentil: Apply Pendimethalin 1.0 kg/ha or 133 g/bigha as pre-emergence followed by hand weeding at 40 DAS.  In dry condition, Pendimethalin should not be applied.

18.  Variety and seed rate of lentil for rice relay cropping: Under rice utera condition, a seed rate of 45 kg/ha or 6 kg/bigha should be used. Lentil variety HUL 57 and KLS 218 may be used for rice utera condition.

19.  Direct seeding of lentil @ 45 kg/ha with retention of 30 cm high stubbles in zero tilled Sali rice lands just after harvest

Rajmah

20.  For optimum seed yield in Rajmah following agro-techniques/advisories:

Best time of sowing is Nov 20-30 (when maximum temperature reaches 27.7⁰C) within the recommended time of mid October to end of November.

Spacing of 30 cm × 10 cm

Seed inoculation with PSB @ 50 g/kg seed

Basal application of 60:45:40 kg/ka N:P₂O₅:K₂O

Application of 2% urea spray 3 times at pre-flowering (45 DAS), pod formation (60 DAS) and pod development (70DAS) stages.

Pea

21.  Residual soil nutrients available from preceding sali rice grown with the application of vermicompost (1 t/ha) and FYM (2.5 t/ha) under low input (N:P₂O₅:K₂O @ 20:10:10 kg/ha) condition to produce significant higher pea yield without any additional doses of fertilizers when pea is relayed with sali rice and one irrigation of 4 cm depth in pea at flowering stage.

22.  Nutrient management in field pea: Foliar spray with 0.5% NPK (19:19:19) or 2% urea at pre-flowering and pod initiation stages of field pea along with a basal dose of 20:46:15 kg N: P₂O₅: K₂O/ha

23.  INM in relayed Field pea: Seed treatment with Rhizobium-PSB consortium @ 50 g/kg seed and sodium molybdate @ 0.5 g/kg seed and two sprays of 0.5% NPK (19:19:19) or 2% urea at branching and 15 days after first spray for enhancing productivity of field pea under relay cropping with Sali rice

24.  Management of cutworm in field pea (Accepted for recommendation in the Plenary Session, rabi 2020): Mulching with rice straw @ 3.5 t/ha immediately after sowing as a physical barrier against egg laying by the moth.

Lathyrus

25.  Lathyrus in rice utera system

§  Without rhizobium and PSP inoculation):

-   Application of 7.5 kg N and 17.5 kg P₂O₅/ha at the time of sowing before rice harvest

-   Application of second dose @ 7.5 - 17.5 - 15 kg N, P₂O₅, K₂O/ha at the time of rice harvest. [The fertilizers are to be incubated for 48 hours with compost/ moist soil in 1 : 10 ratio before applying]

-   Apply two foliar sprays of 2% urea at branching and pod initiation stages

§  With rhizobium and PSB inoculation (50 g/kg):

-      Apply 5.0 kg N and 13.0 kg P2O5/ha at the time of sowing before rice harvest

-     Apply second dose @ 5 - 13 - 15 kg N- P₂O₅ - K₂O/ ha at the time of rice harvest. [The fertilizers are to be incubated for 48 hours with compost/ moist soil in 1 : 10 ratio before applying]

-     Apply two foliar sprays of 2% urea at branching and pod initiation stages.

26.  Seed rate of grass pea (Lathyrus) for relay cropping with rice: Grass pea should be sown at a seed rate of 60 kg/ha (8 kg/bigha) for relay cropping with sali rice

27.  Management of aphids in (Accepted for recommendation in the Plenary Session, rabi 2019): Dusting with ash of crop residues + fine sand @ 30 kg (25 kg ash + 5 kg sand)/ha just after appearance of aphids during early morning hours and need based reapplication at reproductive stage of lathyrus crop. 

Chickpea:

28.  Relay cropping of chickpea- chickpea seeds is to be broadcasted in standing crop of Sali rice at 15-20 days after 50% flowering provided the soil is in moistcondition.(2021)

29.  Treat the chickpea seed with Trichoderma harzanium (10g/kg seed) to manage the collar rot of chickpea.

30.  Conservation agriculture practiced for growing chickpea: Till the soil with two harrowing and 1 planking and mulch the soil after sowing seeds with rice straw @ 2.0 t/ha (2021)

Rapeseed-Mustard

31.  Application of Borax @7.5 kg/ ha along with RDF.

32.  Seed rate for late sown rainfed toria grown after Sali paddy is 1.3 kg/bigha.

33.  Seed inoculation of toria with bio-fertilizer (Azotobacter and PSB each @40 g/kg of seed) and basal application of 75% recommended dose of N( i.e. 45 kg/ha) and P₂O₅  (i.e. 22.5 kg/ha) along with 100% K₂O(i.e. 30 kg/ha)

34.  Two foliar application of 1% Urea at flowering and pod filling stages along with basal  application of recommended fertilizer dose i.e. 60 kg N, 30 kg P₂O₅ and 30 kg K₂O

35.  Variety (Benoy), Seed rate and fertilizer dose of Yellow sarson for Assam.

36.  Management of Alternaria blight disease of Rapeseed: Foliar Spray with Mancozeb 75 WP @ 0.2% at 45 DAS followed by Propiconazole 25 EC @ 0.05% at 60 DAS .

37.  Management of Alternaria blight disease of Rapeseed: Soil Treatment with T. viride (Biogreen)  @ 2.5 kg/ha (incubation 1:50) + Seed Treatment with T. viride (Biogreen)  @ 5% +Foliar Spray with  T. viride (Biogreen)  @ 5%  at 45 DAS (Accepted for recommendation in the Plenary Session, rabi 2019)

Linseed

38.  Intercropping of Linseed + Lentil (3:3) was recommended as remunerative over sole crop.

39.  Optimum sowing time for higher yield of Linseed was recommended as Mid October to Mid of November

40.  Auxin applied at vegetative and reproductive stage @ 2.0 ppm was as plant growth regulator was found to be best treatment for recording highest seed yield and economic returns of linseed.

41.  Rice- Linseed crop system gave more profit (Rs.26101/ha) when the system was fed with phosphorus @75% P +PSB (seed inoculation) to Sali rice and 75% to linseed

42.  Nutrient management through exogenous application of two sprays of Urea @ 2.0% + ZnSO₄ @ 0.5% at vegetative and reproductive stage under utera condition of linseed for maximum yield and economic returns of linseed

43.  Soil application of ZnSO4 @ 25 kg/ha and borax @ 1.5 kg/ha at the time of sowing is recommended for higher seed yield.

44.  Straw mulching @10t/ha was found quite effective for conservation of soil moisture in rainfed linseed.

45.  Fertilizer application to Rice-Linseed crop system @75%NPK+FYM 3t/ha +PSB to rice and 75%NPK +seed inoculation with Azotobacter and PSB to linseed could fetch higher net monetary return (Rs.33,562/ha).

46.   For control of wilt disease:

·       Seeds should be treated with benomyl or carbendazim @ 2 g/kg of seed or Captan or Thiram @ 3 g/kg of seed before sowing.

·       Suitable crop rotation should be followed in the affected fields.

47.  For effective control of Alternaria blight and higher seed yield, seed treatment with salicylic acid at 100 ppm + foliar spray of salicylic acid at 100 ppm at 30 and 45 DAS recommended

Wheat

48.  Basal application of Borax @ 7.5 kg/ha for Lower Brahmaputra Valley Zone,10 kg/ha for North Bank Plains Zone and Central Brahmaputra Valley Zone in additio