Soybean yield may be affected in Bundelkand region of M.P.

The farmers of Bundelkhand region was generally sown soybean around 1-2^nd week of July, 2015. Now the soybean crop is in flowering stage or will going to inter inR1 (first flower stage) stage during this week (17-23th August, 2015). Crop establishment was fair and till now the crop growth is good. Means the crop has undergone very little environmental stress and successfully entering into reproductive stage. May be stress will be started from now.

The high air temperature is around 32-33°C, but leaf/canopy temperature of Soybean may be higher than the air temperature.

The region received less rainfall (35 % less from Normal rainfall) from their normal value upto 15^th August, 2015.

If the rest of the August month received less rainfall than seed number /meter square will be less and seed size will be also affected by low soil moisture, high evapotranspiration rate  and high air temperature( above 34°C).

There is white fly , green semi looper, Griddle B  attack on soybean crop. The cultivar JS 335 has been affected by YMV and more or less the cultivar JS 95-60. If warm temperature prevails further for next one-two weeks, substantial yield loss may occur, which may range from 20-40 % for rainfed conditions. The lower CGR rate, lower N fixation rate, and lower seed number and seed size may play the critical role.

Could foliar liquid nitrogen spray and weekly irrigation may help?  Suggestions invited from agricultural scientists.