ऊसर मिट्टी
oosar mitti pray: vah hoti hai, jo krishi yogy nahian hoti. yah mitti kheti karane yogy nahian hoti, kyoanki yah anupajaoo hoti hai. kiantu adhunik samay mean jipsam ke prayog dvara ise pun: upajaoo banaya ja sakata hai.
- isamean sodiyam, poteshiyam evan maignishiyam adhik matra mean pae jate haian.
- dhan ke puval gobar ki khad, varmi kanpost ka upayog karake oosar bhoomi mean urvara shakti paida ki ja sakati hai.
- oosar mitti ka pi.ech. man 8.5 se zyada hota hai.
- is mitti mean vinimayashil sodiyam ki matra 15 pratishat se adhik hoti hai.
- aisi bhoomi mean garmiyoan ke dinoan mean oopari satah par safed part ban jati hai.
- yah safed part pray: sodiyamake karbonet tatha baeekarbonet ke lavan hote haian.