The nitrogen outlook
1932
Lipman, J.G.
Fixed nitrogen is cheap enough and abundant enough to justify its use as an aid toward a more prosperous agriculture. Since, as has already been noted, there is practically no limit to the quantity of fixed nitrogen that may be produced for agricultural uses, we should very seriously consider national and international inquiries in the domain of soil and plant science as a first step toward building more rational crop production programs.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل National Agricultural Library