Weak Rainfall and Rabi Farming: 7 Ways Farmers Can Save Soil Moisture This Season

Farmers entering the Rabi season face a familiar challenge that becomes harder when rainfall is irregular: keeping enough moisture in the soil for seeds to germinate and crops to establish. Rainfall during the monsoon does not always translate into water availability later, especially where runoff is high or irrigation sources are limited.

The Indian Council of Agricultural Research recommends location-specific soil and water conservation practices for rainfed agriculture. These include mulching, rainwater harvesting, suitable land shaping and efficient irrigation. Farmers should select methods according to their soil, slope, crop and available water rather than assume that one technique will work everywhere.

1. Check soil moisture before sowing

Before preparing land, farmers should check whether the soil has enough moisture for the intended crop. Sowing into very dry soil can lead to uneven germination, while excessive wetness can affect field operations and seed establishment. The right sowing window also depends on local temperatures and crop-specific recommendations.

Farmers can inspect soil at seed depth and seek advice from their local Krishi Vigyan Kendra if conditions are uncertain. Where rainfall has been poor, avoid choosing sowing dates solely by the calendar. District agricultural contingency plans provide guidance on crop choices and management under delayed rainfall or drought conditions.

2. Use crop residue as mulch

A layer of suitable crop residue on the soil surface can reduce direct exposure to sunlight and wind, slowing moisture loss. Mulch can also reduce soil erosion and suppress some weeds. Farmers should use clean, disease-free material and make sure it does not obstruct sowing or interfere with the crop’s establishment.

The amount and type of mulch depend on the crop and local conditions. In fields where machinery is used for sowing, farmers should check whether the residue load is manageable for the equipment. ICAR’s Indian Farming magazine identifies mulching as one method of conserving soil moisture in rainfed farming.

3. Reduce runoff and keep rainwater in the field

Rain falling on bare or compacted soil may run off before it can soak into the ground. Suitable field bunds, contour measures and conservation furrows can slow runoff and help more water enter the soil. The design must suit the field’s slope, soil type and rainfall intensity.

On sloping land, poorly designed structures can concentrate water and cause erosion, so farmers should obtain local technical advice before constructing them. In suitable fields, retaining rainfall close to where it falls can improve the moisture available to crops during later dry spells. ICAR-CRIDA recommends location-specific measures rather than a uniform approach for every farm.

4. Store excess rainwater for later use

Farm ponds, tanks and other rainwater-harvesting structures can capture runoff for supplementary irrigation when rainfall stops. Their usefulness depends on catchment size, rainfall, storage capacity, evaporation and local rules governing water use. Farmers should check the condition of existing structures before investing in new ones.

Small hill farms may also benefit from locally suitable rainwater-storage systems. ICAR research on hill agriculture describes low-cost structures such as jalkunds for collecting water for winter crops. Farmers should seek advice on safe construction, lining and maintenance because storage capacity and costs vary with site conditions.

5. Irrigate at important crop stages

When irrigation water is limited, farmers need to prioritise the crop stages most sensitive to moisture stress. The critical stages differ by crop. For example, wheat has important water requirements during crown-root initiation and flowering, while other crops have different periods when a shortage can reduce yield.

Farmers should follow local crop advisories and assess available water before deciding how much land to irrigate. Applying water in small, well-timed amounts may be more useful than irrigating large areas without considering crop needs. Avoid excessive irrigation, which can waste water and cause waterlogging in poorly drained soils.

6. Consider drip or sprinkler irrigation where suitable

Drip irrigation delivers water close to plant roots, while sprinklers distribute it over the crop. These systems can improve water management when properly designed and maintained. They are particularly worth considering for suitable vegetable, horticultural and other crops where the installation cost and operating requirements can be justified.

Before investing, compare equipment costs, filtration needs, energy use and maintenance. Farmers should also check whether local subsidies are available through official agriculture or horticulture departments. Micro-irrigation is not automatically the best choice for every field or crop, and the system must match water availability and the farmer’s budget.

7. Adjust crop choices to local water availability

When water supplies are uncertain, farmers can discuss alternative crops or varieties with agricultural experts before sowing. Short-duration varieties or crops with lower water requirements may fit some locations, though their suitability depends on temperature, soil, market demand and the length of the growing season.

ICAR-CRIDA’s district contingency plans provide options for managing delayed rainfall, drought and other weather disruptions. Farmers should use local recommendations rather than switching crops based only on a general claim that one crop needs less water. The decision should consider seed availability, expected yield, market access and the water needed throughout the crop cycle.

Climate variability makes soil moisture management an important part of Rabi planning, particularly for farms that depend on rainfall or have limited irrigation. Mulching, runoff control, rainwater storage and timely irrigation can help farmers make better use of available water, but results depend on local conditions and careful implementation.

Farmers should check soil moisture, review local weather and crop advisories, and seek guidance from their KVK or state agriculture department. ICAR-CRIDA’s district contingency plans can help identify options for particular locations. Planning before sowing gives farmers more choices than responding after crops begin to suffer from moisture stress.