[Mathematical model and the controlling way of corn yield formation]
1997
Kim Chun Man | Li Yong Jun [Inst. of Maize, Unsan District, Pyongan South Province (Democratic People's Republic of Korea)]
A way was proposed, which determined applicable dose of nitrogen fertilizer in the first and second half of growth, when the number of grains per ear and 1000 grain weight were planned, in advance, by the mixing regressive model. The relative differances between actual yield by the planned yielding quantity and account value of the applicable dose of nitrogen fertilizer in first and second half of growth were 4.69 percent in Kosan and 4.44 percent in Wonsan
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Academy of Sciences of the Democratic People's Republic of Korea