Tamarix aphylla period of ripening of seed is:

Thermal pollution in water bodies is caused due to discharge of:

Range reseeding is:

Watershed management is:

Cows, bulls, buffaloes, houses and to a large extend:

In Pakistan, because of small field size, most often 2 or 3 rows windbreaks are used, and should expect the effects to reach only about 12H downwind and ________ upwind: