Lectures on Agricultural Chemistry and Geology

absorbed acetic acetic acid acre action agriculture ammonia animal and vegetable appears atmosphere atoms bark bulk burned cane sugar carbonic acid cent chemical changes chemists circulation of plants colour combination compounds consist constitution contain crop decay decomposed decomposition derived diastase dissolves elementary bodies elements enter exists experiments functions gaseous germination globe gluten grape sugar grass grow growth gypsum heat Hence hereafter hydrogen inorganic interior juices land leaf leaves lecture less light lime liquid living plant manure nature nitrate of soda nitric acid nitrogen observed organic matter oxalic acid oxygen oxygen gas portion potash present produced properties proportion quantity rain readily roots of plants salts seed silica soil solid substances soluble solution stances starch stem sulphate sulphuric acid supply supposed tain tartaric acid temperature tion trees vegetable matter vegetable substances vessels vinegar watery vapour weight wheat wood woody fibre