| 000 | 00812nam a2200217Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1972 xx 000 0 und d | ||
| 082 | _aT 631.3 H90H | ||
| 100 | _aHARINDER Singh | ||
| 245 | 0 | _aHuman energy requirements of selected farm operations | |
| 250 | _aCOAE | ||
| 260 |
_aLudhiana _bP.A.U _c1972 |
||
| 300 | _a90+54L | ||
| 520 | _aThe study was conducted to investigate the human energy requirements of selected farm operations like spading, spraying and some manual method of load transport. PVR was the main response measure in assessing various tasks. This was also used to find oxyg | ||
| 650 | _aAGRICULTURAL IMPLEMENTS | ||
| 653 | _aAGRICULTURAL ENGINEERING | ||
| 653 | _aAGRICULTURAL IMPLEMENTS | ||
| 653 | _aCROPS | ||
| 653 | _aHUMAN ENERGY | ||
| 653 | _aSPRAYING | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c19175 _d19175 |
||