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Titlebook: Nitrogen Fluxes in Intensive Grassland Systems; H. G. Meer,J. C. Ryden,G. C. Ennik Book 1986 Martinus Nijhoff Publishers, Dordrecht 1986 G

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樓主: CHAFF
11#
發(fā)表于 2025-3-23 10:33:45 | 只看該作者
Efficient use of fertilizer nitrogen on grass swards: effects of timing, cutting management and secbove. However, the digestibility of . is superior to the other species. Several secondary grasses had high N concentrations because they did not metabolize high N uptakes into high dry matter yields. In certain situations, better management of the existing species may be preferable to reseeding.
12#
發(fā)表于 2025-3-23 14:07:35 | 只看該作者
13#
發(fā)表于 2025-3-23 18:05:35 | 只看該作者
14#
發(fā)表于 2025-3-23 23:33:13 | 只看該作者
15#
發(fā)表于 2025-3-24 05:24:42 | 只看該作者
Nitrate loss through leaching and surface runoff from grassland: effects of water supply, soil type lower than those from grazed grass receiving substantial inputs of fertilizer N. Increased denitrification from heavy and poorly drained soils results in a lower proportion of the N being lost through leaching and surface runoff. Drainage of such soils increases the amount of nitrate lost to water
16#
發(fā)表于 2025-3-24 07:56:59 | 只看該作者
from all majors will enjoy the many beautiful topics herein, and will come to better appreciate the powerful cumulative nature of mathematics as these topics are woven together into a single fascinating story about the ways in which objects can be symmetric..978-1-4939-4247-3978-1-4614-0299-2
17#
發(fā)表于 2025-3-24 14:08:22 | 只看該作者
18#
發(fā)表于 2025-3-24 17:10:02 | 只看該作者
Anne Rangeley,Peter Newbouldfrom all majors will enjoy the many beautiful topics herein, and will come to better appreciate the powerful cumulative nature of mathematics as these topics are woven together into a single fascinating story about the ways in which objects can be symmetric..978-1-4939-4247-3978-1-4614-0299-2
19#
發(fā)表于 2025-3-24 19:09:41 | 只看該作者
R. D. Harkess,J. Framefrom all majors will enjoy the many beautiful topics herein, and will come to better appreciate the powerful cumulative nature of mathematics as these topics are woven together into a single fascinating story about the ways in which objects can be symmetric..978-1-4939-4247-3978-1-4614-0299-2
20#
發(fā)表于 2025-3-25 03:15:39 | 只看該作者
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